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Liu J, Chen Z, Wu C, Yu X, Yu X, Chen C, Li Z, Qiao Q, Cao Y, Zhou Y. Recent Advances in Antimony Selenide Photodetectors. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2406028. [PMID: 39139003 DOI: 10.1002/adma.202406028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 07/27/2024] [Indexed: 08/15/2024]
Abstract
Photodetectors (PDs) rapidly capture optical signals and convert them into electrical signals, making them indispensable in a variety of applications including imaging, optical communication, remote sensing, and biological detection. Recently, antimony selenide (Sb2Se3) has achieved remarkable progress due to its earth-abundant, low toxicity, low price, suitable bandgap width, high absorption coefficient, and unique structural characteristics. Sb2Se3 has been extensively studied in solar cells, but there's a lack of timely updates in the field of PDs. A literature review based on Sb2Se3 PDs is urgently warranted. This review aims to provide a concise understanding of the latest progress in Sb2Se3 PDs, with a focus on the basic characteristics and the performance optimization for Sb2Se3 photoconductive-type and photodiode-type detectors, including nanostructure regulation, process optimization, and stability improvement of flexible devices. Furthermore, the application progresses of Sb2Se3 PDs in heart rate monitoring, and monolithic-integrated matrix images are introduced. Finally, this review presents various strategies with potential and feasibility to address challenges for the rapid development and commercial application of Sb2Se3 PDs.
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Affiliation(s)
- Jiaojiao Liu
- School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, Zhejiang, 316022, China
| | - Zhenbo Chen
- School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, Zhejiang, 316022, China
| | - Cheng Wu
- School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, Zhejiang, 316022, China
| | - Xiaoming Yu
- School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, Zhejiang, 316022, China
- National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan, Zhejiang, 316022, China
| | - Xuan Yu
- School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, Zhejiang, 316022, China
- National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan, Zhejiang, 316022, China
| | - Chao Chen
- School of Optical and Electronic Information and Wuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology Wuhan, Wuhan, Hubei, 430074, China
| | - Zhenhua Li
- School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, Zhejiang, 316022, China
| | - Qian Qiao
- School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, Zhejiang, 316022, China
| | - Yu Cao
- School of Electrical Engineering, Northeast Electric Power University, Jilin, 132012, China
| | - Yingtang Zhou
- National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan, Zhejiang, 316022, China
- Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, Marine Science and Technology College, Zhejiang Ocean University, Zhoushan, Zhejiang, 316004, China
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Cao R, Lv K, Shi C, Wang Y, Ye C, Guo F, Hu G, Chen W. Efficient Sb 2S 3 and Low Se Content Sb 2Se yS 3-y Indoor Photovoltaics. ACS APPLIED MATERIALS & INTERFACES 2024; 16:42513-42521. [PMID: 39078374 DOI: 10.1021/acsami.4c09458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/31/2024]
Abstract
Herein, the precise fabrication of Sb2S3 and low Se content Sb2SeyS3-y indoor photovoltaics is reported, and a measurement protocol for photovoltaic performance is suggested and applied. Insertion of the SnO2 buried layer decreases the thickness and parasitic absorption of the CdS layer. The introduction of minor Se into Sb2S3 and the use of spiro-OMeTAD:TMT-TTF improve the charge transport of indoor photovoltaics. Using a white light-emitting diode (LED) under illuminance of 1000, 500, and 200 lx with color temperatures of 3347 and 6103 K, indoor photovoltaics with fluorine doped tin oxide (FTO)/SnO2 (17 nm)/CdS (20 nm)/Sb2S3/spiro-OMeTAD:TMT-TTF/Au exhibit power conversion efficiency (PCE) values of 17.59, 16.66, 16.44, 16.56, 15.50, and 14.07%, respectively. Indoor photovoltaics with FTO/SnO2 (17 nm)/CdS (20 nm)/Sb2SeyS3-y(Sb/S/Se = 1:1.42:0.06)/spiro-OMeTAD:TMT-TTF/Au achieve PCE values of 18.53, 17.62, 17.07, 17.30, 16.24, and 15.38%, respectively. The PCE values of 17.59, 16.66, and 16.44% are the highest values reported for Sb2S3 indoor photovoltaics, and the other PCEs are all reported for the first time. Considering the trillion-dollar-sized market from the Internet of Things (IoT), this work can further bring an unprecedented thrust to the development of self-powered IoT devices by harvesting energy from indoor photovoltaics, thereby realizing the recycling of photon energy and reducing the use of batteries and the emission of CO2.
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Affiliation(s)
- Rui Cao
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Kai Lv
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Chengwu Shi
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Yanqing Wang
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Changsheng Ye
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Kowloon 999077, Hong Kong, P. R. China
| | - Fuling Guo
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Guiju Hu
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Wangchao Chen
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, P. R. China
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Quiñones C, Posada M, Hormiga A, Peña J, Diaz-Uribe C, Vallejo W, Muñoz-Acevedo A, Roa V, Schott E, Zarate X. Antimicrobial Activity against Fusarium oxysporum f. sp. dianthi of TiO 2/ZnO Thin Films under UV Irradiation: Experimental and Theoretical Study. ACS OMEGA 2024; 9:31546-31555. [PMID: 39072138 PMCID: PMC11270707 DOI: 10.1021/acsomega.4c01287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 03/17/2024] [Accepted: 04/25/2024] [Indexed: 07/30/2024]
Abstract
We deposited bare TiO2 and TiO2/ZnO thin films to study their antimicrobial capacity against Fusarium oxysporum f. sp. dianthi. The deposit of TiO2 was performed by spin coating and the ZnO thin films were deposited onto the TiO2 surface by plasma-assisted reactive evaporation technique. The characterization of the compounds was carried out by scanning electron microscopy (SEM) and powder X-ray diffraction techniques. Furthermore, density functional theory (DFT) and time-dependent DFT (TDDFT) calculations were performed to support the observed experimental results. Thus, the removal of methylene blue (MB) by adsorption and posterior photocatalytic degradation was studied. Adsorption kinetic results showed that TiO2/ZnO thin films were more efficient in MB removal than bare TiO2 thin films, and the pseudo-second-order model was suitable to describe the experimental results for TiO2/ZnO (q e = 12.9 mg/g; k 2 = 0.14 g/mg/min) and TiO2 thin films (q e = 12.0 mg/g; k 2 = 0.13 g/mg/min). Photocatalytic results under UV irradiation showed that TiO2 thin films reached 10.9% of MB photodegradation (k = 1.0 × 10-3 min-1), whereas TiO2/ZnO thin films reached 20.6% of MB photodegradation (k = 3.9 × 10-3 min-1). Both thin films reduced the photocatalytic efficiency by less than 3% after 4 photocatalytic tests. DFT study showed that the highest occupied molecular orbital-lowest unoccupied molecular orbital (HOMO-LUMO) energy gap decreases for the mixed nanoparticle system, showing its increased reactivity. Furthermore, the chemical hardness shows a lower value for the mixed system, whereas the electrophilicity index shows the biggest value, supporting the larger reactivity for the mixed nanoparticle system. Finally, the antimicrobial activity against F. oxysporum f. sp. dianthi showed that bare TiO2 reached a growth reduction of 68% while TiO2/ZnO reached a growth reduction of 90% after 250 min of UV irradiation.
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Affiliation(s)
- Cesar Quiñones
- Facultad
de ingeniería, Programa de ingeniería Química, Universidad de La Salle, Bogotá 111711, Colombia
| | - Martha Posada
- Grupo
de Investigación Ceparium, Universidad
Colegio Mayor de Cundinamarca, Bogotá 111321, Colombia
| | - Angie Hormiga
- Grupo
de Investigación Ceparium, Universidad
Colegio Mayor de Cundinamarca, Bogotá 111321, Colombia
| | - Julian Peña
- Escuela
de negocios, Universidad del Caribe (UNICARIBE), Santo Domingo 11105, República Dominicana
| | - Carlos Diaz-Uribe
- Grupo
de Fotoquímica y Fotobiología, Universidad del Atlántico, Puerto Colombia 81007, Colombia
| | - William Vallejo
- Grupo
de Fotoquímica y Fotobiología, Universidad del Atlántico, Puerto Colombia 81007, Colombia
| | - Amner Muñoz-Acevedo
- Grupo
de Investigación en Química y Biología, Universidad del Norte, Puerto Colombia 81007, Colombia
| | - Vanesa Roa
- Departamento
de Química Inorgánica, Facultad de Química y
Farmacia, Centro de Energía UC, Centro de Investigación
en Nanotecnología y Materiales Avanzados CIEN-UC, Pontificia Universidad Católica de Chile, Avenida Vicuña Mackenna, 4860 Santiago, Chile
| | - Eduardo Schott
- Departamento
de Química Inorgánica, Facultad de Química y
Farmacia, Centro de Energía UC, Centro de Investigación
en Nanotecnología y Materiales Avanzados CIEN-UC, Pontificia Universidad Católica de Chile, Avenida Vicuña Mackenna, 4860 Santiago, Chile
| | - Ximena Zarate
- Instituto
de Ciencias Aplicadas, Facultad de Ingeniería, Universidad Autónoma de Chile, Santiago 7500912, Chile
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Lv S, Wang S, Yu J, Tian G, Wang G, An P, Song K, Ma B, Li Y, Xu X, Zhang L. Wafer Scale Gallium Nitride Integrated Electrode Toward Robust High Temperature Energy Storage. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310837. [PMID: 38644345 DOI: 10.1002/smll.202310837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/12/2024] [Indexed: 04/23/2024]
Abstract
Gallium Nitride (GaN), as the representative of wide bandgap semiconductors, has great prospects in accomplishing rapid charge delivery under high-temperature environments thanks to excellent structural stability and electron mobility. However, there is still a gap in wafer-scale GaN single-crystal integrated electrodes applied in the energy storage field. Herein, Si-doped GaN nanochannel with gallium oxynitride (GaON) layer on a centimeter scale (denoted by GaN NC) is reported. The Si atoms modulate electronic redistribution to improve conductivity and drive nanochannel formation. Apart from that, the distinctive nanochannel configuration with a GaON layer provides adequate active sites and extraordinary structural stability. The GaN-based supercapacitors are assembled and deliver outstanding charge storage capabilities at 140 °C. Surprisingly, 90% retention is maintained after 50 000 cycles. This study opens the pathway toward wafer-scale GaN single-crystal integrated electrodes with self-powered characteristics that are compatible with various (opto)-electronic devices.
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Affiliation(s)
- Songyang Lv
- Institute of Novel Semiconductors, State Key Lab of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Shouzhi Wang
- Institute of Novel Semiconductors, State Key Lab of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
- Suzhou Research Institute, Shandong University, Suzhou, 215123, P. R. China
| | - Jiaoxian Yu
- Key Laboratory of Processing and Testing Technology of Glass & Functional Ceramics of Shandong Province, School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, P. R. China
| | - Ge Tian
- School of Life Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong, 271000, P. R. China
| | - Guodong Wang
- Institute of Novel Semiconductors, State Key Lab of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Pengfei An
- Division of Nuclear Technology and Applications, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Kepeng Song
- Institute of Novel Semiconductors, State Key Lab of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Bo Ma
- Division of Nuclear Technology and Applications, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yangyang Li
- Institute of Novel Semiconductors, State Key Lab of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Xiangang Xu
- Institute of Novel Semiconductors, State Key Lab of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Lei Zhang
- Institute of Novel Semiconductors, State Key Lab of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
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Zang L, Zhao C, Hu X, Tao J, Chen S, Chu J. Emerging Trends in Electron Transport Layer Development for Stable and Efficient Perovskite Solar Cells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2400807. [PMID: 38573941 DOI: 10.1002/smll.202400807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 03/11/2024] [Indexed: 04/06/2024]
Abstract
Perovskite solar cells (PSCs) stand at the forefront of photovoltaic research, with current efficiencies surpassing 26.1%. This review critically examines the role of electron transport materials (ETMs) in enhancing the performance and longevity of PSCs. It presents an integrated overview of recent advancements in ETMs, like TiO2, ZnO, SnO2, fullerenes, non-fullerene polymers, and small molecules. Critical challenges are regulated grain structure, defect passivation techniques, energy level alignment, and interfacial engineering. Furthermore, the review highlights innovative materials that promise to redefine charge transport in PSCs. A detailed comparison of state-of-the-art ETMs elucidates their effectiveness in different perovskite systems. This review endeavors to inform the strategic enhancement and development of n-type electron transport layers (ETLs), delineating a pathway toward the realization of PSCs with superior efficiency and stability for potential commercial deployment.
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Affiliation(s)
- Lele Zang
- Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, School of Physics and Electronic Science, East China Normal University, Shanghai, 200241, China
| | - Chunhu Zhao
- Hunan Provincial Key Laboratory of Carbon Neutrality and Intelligent, School of Resource & Environment, Hunan University of Technology and Business, Changsha, 410205, China
| | - Xiaobo Hu
- Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, School of Physics and Electronic Science, East China Normal University, Shanghai, 200241, China
| | - Jiahua Tao
- Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, School of Physics and Electronic Science, East China Normal University, Shanghai, 200241, China
- Key Laboratory of Polar Materials and Devices, Ministry of Education, School of Physics and Electronic Science, East China Normal University, Shanghai, 200241, China
- Chongqing Key Laboratory of Precision Optics, Chongqing Institute of East China Normal University, Chongqing, 401120, China
| | - Shaoqiang Chen
- Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, School of Physics and Electronic Science, East China Normal University, Shanghai, 200241, China
| | - Junhao Chu
- Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, School of Physics and Electronic Science, East China Normal University, Shanghai, 200241, China
- Key Laboratory of Polar Materials and Devices, Ministry of Education, School of Physics and Electronic Science, East China Normal University, Shanghai, 200241, China
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6
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Chai Y, Jiang J, Wu L, Sun Z, Fang S, Shen L, Yao K. Surface Engineering of Perovskite Single Crystals by Atomic Layer Deposited Tin Oxide for Optical Communication. J Phys Chem Lett 2024; 15:3859-3865. [PMID: 38557200 DOI: 10.1021/acs.jpclett.4c00547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Perovskite single crystals with excellent physical properties have broad prospects in the field of optoelectronics. However, the presence of dangling bonds, surface dislocations, and chemical impurities results in high surface defect density and sensitivity to humidity. Unfortunately, there are relatively few surface engineering strategies for single perovskite single crystals. We present a strategy utilizing atomic layer deposited SnOx to passivate surface defects in perovskite single crystals. The photodetector prepared based on the modified FAPbBr3 single crystals exhibits a low dark current of 1.89 × 10-9 A at a 5 V bias, close to 4 times lower with respect to the pristine device, a high detectivity of 2.3 × 1010 jones, and a fast response time of 27 μs. Moreover, the photodetectors feature long-term operational stability because the presence of a dense SnOx capping layer hinders the ingress of moisture and diffusion of ions. We further demonstrate the promise of our perovskite single crystal detectors for real-time subaqueous optical communication.
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Affiliation(s)
- Yalin Chai
- Institute of Photovoltaics, School of Physics and Materials Science, Nanchang University, Nanchang 330031, China
| | - Jizhong Jiang
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, International Center of Future Science, Jilin University, Changchun 130012, China
| | - Long Wu
- Institute of Photovoltaics, School of Physics and Materials Science, Nanchang University, Nanchang 330031, China
| | - Zaicheng Sun
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, International Center of Future Science, Jilin University, Changchun 130012, China
| | - Shanshan Fang
- Institute of Photovoltaics, School of Physics and Materials Science, Nanchang University, Nanchang 330031, China
| | - Liang Shen
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, International Center of Future Science, Jilin University, Changchun 130012, China
| | - Kai Yao
- Institute of Photovoltaics, School of Physics and Materials Science, Nanchang University, Nanchang 330031, China
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7
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Paranamana NC, Young MJ. Role of Surface Chemistry in Pyrrole Autoxidation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:6432-6444. [PMID: 38478721 DOI: 10.1021/acs.langmuir.3c04036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Chemical compounds in liquid hydrocarbon fuels that contain five-membered pyrrole (Py) rings readily react with oxygen from air and polymerize through a process known as autoxidation. Autoxidation degrades the quality of fuel and leads to the formation of unwanted gum deposits in fuel storage vessels and engine components. Recent work has found that the rate of formation of these gum deposits is affected by material surfaces exposed to the fuel, but the origins of these effects are not yet understood. In this work, atomic layer deposition (ALD) is employed to grow aluminum oxide, zinc oxide, titanium dioxide, and manganese oxide films on silicon substrates to control material surface chemistry and study Py adsorption and gum nucleation on these surfaces. Quartz crystal microbalance (QCM) studies of gas-phase Py adsorption indicate 1.5-2.8 kcal/mol exergonic adsorption of Lewis basic Py onto Lewis acidic surface sites. More favorable Py adsorption onto Lewis acidic surfaces correlates with faster polypyrrole (PPy) film nucleation in vapor phase oxidative molecular deposition (oMLD) polymerization studies. Liquid-phase studies of Py autoxidation reveal primarily particulate formation, indicating a homogeneous PPy propagation step rather than a completely surface-based polymerization mechanism. The amount of PPy particulate formation is positively correlated with more acidic surfaces (lower pH-PZC values), indicating that the rate-limiting step for Py autoxidation involves Lewis acidic surface sites. These studies help to establish new mechanistic insights into the role of surface chemistry in the autoxidation of pyrrolic species. We apply this knowledge to demonstrate a polymer coating formed by vapor phase polymer deposition that slows autoxidation by 2 orders of magnitude.
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Affiliation(s)
- Nikhila C Paranamana
- Department of Chemistry, University of Missouri, Columbia, Missouri 65211, United States
| | - Matthias J Young
- Department of Chemistry, University of Missouri, Columbia, Missouri 65211, United States
- Chemical and Biomedical Engineering, University of Missouri, Columbia, Missouri 65211, United States
- Materials Science and Engineering Institute, University of Missouri, Columbia, Missouri 65211, United States
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Xiao G, Liang T, Wang X, Ying C, Lv K, Shi C. Reduced Surface Trap States of PbS Quantum Dots by Acetonitrile Treatment for Efficient SnO 2-Based PbS Quantum Dot Solar Cells. ACS OMEGA 2024; 9:12211-12218. [PMID: 38496937 PMCID: PMC10938384 DOI: 10.1021/acsomega.4c00208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 02/01/2024] [Accepted: 02/22/2024] [Indexed: 03/19/2024]
Abstract
The solution-phase ligand-exchange strategy offers a simple pathway to prepare PbS quantum dots (QDs) and their corresponding solar cells. However, the production of high-quality PbS QDs with reduced surface trap state density for efficient PbS QD solar cells (QDSCs) still faces challenges. As the hydroxyl group (-OH) has been demonstrated to be the primary source of the surface trap states on PbS QDs in the general oleic acid method, here, we present an effective and facile strategy for reducing the surface -OH content of PbS QDs by using acetonitrile (ACN) as precipitant to wash the surface of QDs, which significantly decreases the trap state density and enables the preparation of superior PbS QDs. The resulting solar cell with an ITO/SnO2/n-PbS/p-PbS/Au structure obtained an improved photoelectric conversion efficiency (PCE) from 8.53 to 10.49% with an enhanced air storage stability, realizing a high PCE for SnO2-based PbS QDSCs.
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Affiliation(s)
- Guannan Xiao
- Chengdu Polytechnic, Chengdu 610041, P. R. China
- Material Corrosion
and Protection Key Laboratory of Sichuan Province, Zigong 643002, P. R. China
| | - Taohua Liang
- Chengdu Polytechnic, Chengdu 610041, P. R. China
| | | | - Chao Ying
- School of Chemistry
and Materials Engineering, Anhui Key Laboratory of Low Temperature
Co-fired Materials, Huainan Normal University, Huainan 232038, P. R. China
| | - Kai Lv
- School of Chemistry
and Chemical Engineering, Hefei University
of Technology, Hefei 230009, P. R. China
| | - Chengwu Shi
- School of Chemistry
and Chemical Engineering, Hefei University
of Technology, Hefei 230009, P. R. China
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9
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Zhao C, Zhang Z, Ran X, Zhang T, Yu X, Jin L. Screening novel candidates of ZL003-based organic dyes for dye-sensitized solar cells by modifying auxiliary electron acceptors: A theoretical study. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 310:123880. [PMID: 38277789 DOI: 10.1016/j.saa.2024.123880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 01/03/2024] [Accepted: 01/09/2024] [Indexed: 01/28/2024]
Abstract
In this work, a series of ZL003-based free-metal sensitizers with the donor-acceptor-π- conjugated spacer-acceptor (D-A-π-A) structure were designed by modifying auxiliary electron acceptors for the potential application in dye-sensitized solar cells. The energy levels of frontier molecular orbitals, absorption spectra, electronic transition, and photovoltaic parameters for all studied dyes were systematically evaluated using density functional theory (DFT)/time-dependent DFT calculations. Results illustrated that thienopyrazine (TPZ), selenadiazolopyridine (SDP), and thiadiazolopyridine (TDP) are excellent electron acceptors, and dye sensitizers functionalized by these acceptors have smaller HOMO-LUMO gaps, obviously red-shifted absorption bands and stronger light harvesting. The present study revealed that the photoelectric conversion efficiency (PCE) of ZL003 is around 13.42 % with a JSC of 20.21 mA·cm-2, VOC of 966 mV and FF of 0.688 under the AM 1.5G sun exposure, in good agreement with its experimental value (PCE = 13.6 ± 0.2 %, JSC = 20.73 ± 0.20 mA·cm-2, VOC = 956 ± 5 mV, and FF = 0.685 ± 0.005.). With the same procedure, the PCE values for M4, M6, and M7 were estimated to be as high as 19.93 %, 15.38 %, and 15.80 % respectively. Hence, these three dyes are expected to be highly efficient organic sensitizers applied in practical DSSCs.
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Affiliation(s)
- Caibin Zhao
- Shaanxi Key Laboratory of Catalysis, School of Chemical and Environmental Science, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, PR China.
| | - Zhenjia Zhang
- Shaanxi Key Laboratory of Catalysis, School of Chemical and Environmental Science, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, PR China
| | - Xuzhou Ran
- Shaanxi Key Laboratory of Catalysis, School of Chemical and Environmental Science, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, PR China
| | - Tianlei Zhang
- Shaanxi Key Laboratory of Catalysis, School of Chemical and Environmental Science, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, PR China
| | - Xiaohu Yu
- Shaanxi Key Laboratory of Catalysis, School of Chemical and Environmental Science, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, PR China
| | - Lingxia Jin
- Shaanxi Key Laboratory of Catalysis, School of Chemical and Environmental Science, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, PR China.
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Yin S, Liu L, Li J, Wu H, Lv Z, He Y, Zhang JY, Zhang P, Zhao Z, Zhao D, Lan K. Mesoporous TiO 2 Single-Crystal Particles from Controlled Crystallization-Driven Mono-Micelle Assembly as an Efficient Photocatalyst. J Am Chem Soc 2024; 146:1701-1709. [PMID: 38157406 DOI: 10.1021/jacs.3c12727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Mesoporous materials with crystalline frameworks have been widely explored in many fields due to their unique structure and crystalline feature, but accurate manipulations over crystalline scaffolds, mainly composed of uncontrolled polymorphs, are still lacking. Herein, we explored a controlled crystallization-driven monomicelle assembly approach to construct a type of uniform mesoporous TiO2 particles with atomically aligned single-crystal frameworks. The resultant mesoporous TiO2 single-crystal particles possess an angular shape ∼80 nm in diameter, good mesoporosity (a high surface area of 112 m2 g-1 and a mean pore size at 8.3 nm), and highly oriented anatase frameworks. By adjusting the evaporation rate during assembly, such a facile solution-processed strategy further enables the regulation of the particle size and mesopore size without the destruction of the oriented crystallites. Such a combination of ordered mesoporosity and crystalline orientation provides both effective mass and charge transportation, leading to a significant increase in the hydrogen generation rate. A maximum hydrogen evolution rate of 12.5 mmol g-1 h-1 can be realized, along with great stability under solar light. Our study is envisaged to extend the possibility of mesoporous single crystal growth to a range of functional ceramics and semiconductors toward advanced applications.
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Affiliation(s)
- Sixing Yin
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Fudan University, Shanghai 200433, P. R. China
| | - Lu Liu
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Fudan University, Shanghai 200433, P. R. China
| | - Jialong Li
- College of Energy Materials and Chemistry, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. China
| | - Hongfei Wu
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Fudan University, Shanghai 200433, P. R. China
| | - Zirui Lv
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Fudan University, Shanghai 200433, P. R. China
| | - Yalin He
- College of Energy Materials and Chemistry, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. China
| | - Jun-Ye Zhang
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Fudan University, Shanghai 200433, P. R. China
| | - Pengfei Zhang
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Fudan University, Shanghai 200433, P. R. China
- College of Energy Materials and Chemistry, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. China
| | - Zaiwang Zhao
- College of Energy Materials and Chemistry, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. China
| | - Dongyuan Zhao
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Fudan University, Shanghai 200433, P. R. China
- College of Energy Materials and Chemistry, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. China
| | - Kun Lan
- College of Energy Materials and Chemistry, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. China
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11
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He Z, Li M, Jia H, Yu R, Zhang Y, Wang R, Dong Y, Liu X, Xu D, Tan Z. Managing Interfacial Charged Defects with Multiple Active Sited Macrocyclic Valinomycin for Efficient and Stable Inverted Perovskite Solar Cells. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2304918. [PMID: 37507136 DOI: 10.1002/adma.202304918] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/19/2023] [Indexed: 07/30/2023]
Abstract
The unavoidably positively and negatively charged defects at the interface between perovskite and electron transport layer (ETL) often lead to severe surface recombination and unfavorable energy level alignment in inverted perovskite solar cells (PerSCs). Inserting interlayers at this interface is an effective approach to eliminate charged defects. Herein, the macrocyclic molecule valinomycin (VM) with multiple active sites of ─C═O, ─NH, and ─O─ is employed as an interlayer at the perovskite/ETL contact to simultaneously eliminate positively and negatively charged defects. Combined with a series of theoretical calculations and experimental analyzes, it is demonstrated that the ─C═O and ─O─ groups in VM can immobilize the uncoordinated Pb2+ to manage the positively charged defect and the formation of N─H···I hydrogen bonding can recompense the formamidine vacancies to eliminate the negatively charged defect. In addition, the VM interlayer induces a favorable downshift band bending at the perovskite/ETL interface, facilitating charge separation and boosting charge transfer. Thanks to the reduced charged defects and favorable energy level alignment, the fabricated inverted PerSC delivers an outstanding power conversion efficiency of 24.06% with excellent long-term ambient and thermal stability. This work demonstrates that managing charged defects via multiple functional groups and simultaneously regulating energy level alignment is a reliable strategy to boost the performance of PerSCs.
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Affiliation(s)
- Zhangwei He
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemical Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Minghua Li
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemical Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Haoran Jia
- Key Laboratory of Luminescence and Optical Information, Ministry of Education, School of Physical Science and Engineering, Beijing JiaoTong University, Beijing, 100044, China
| | - Runnan Yu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemical Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yuling Zhang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemical Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Ruyue Wang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemical Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yiman Dong
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemical Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Xiangyang Liu
- College of Chemistry and Material Science, Sichuan Normal University, Chengdu, 610068, China
| | - Donghui Xu
- College of Chemistry and Material Science, Sichuan Normal University, Chengdu, 610068, China
| | - Zhan'ao Tan
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemical Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
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12
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Liu Y, Gao Y, Bao X, Zhang F, Xu Z, Hu J, Shi Z, Lu M, Wu Z, Zhang Y, Wang D, Yu WW, Bai X. Magnetic Field-Assisted Interface Embedding Strategy to Construct 2D/3D Composite Structure for Stable Perovskite Solar Cells with Efficiency Over 24. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2302337. [PMID: 37344988 DOI: 10.1002/smll.202302337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 06/07/2023] [Indexed: 06/23/2023]
Abstract
Perovskite solar cells (PSCs) based on 2D/3D composite structure have shown enormous potential to combine high efficiency of 3D perovskite with high stability of 2D perovskite. However, there are still substantial non-radiative losses produced from trap states at grain boundaries or on the surface of conventional 2D/3D composite structure perovskite film, which limits device performance and stability. In this work, a multifunctional magnetic field-assisted interfacial embedding strategy is developed to construct 2D/3D composite structure. The composite structure not only improves crystallinity and passivates defects of perovskite layer, but also can efficiently promote vertical hole transport and provide lateral barrier effect. Meanwhile, the composite structure also forms a good surface and internal encapsulation of 3D perovskite to inhibit water diffusion. As a result, the multifunctional effect effectively improves open-circuit voltage and fill factor, reaching maximum values of 1.246 V and 81.36%, respectively, and finally achieves power conversion efficiency (PCE) of 24.21%. The unencapsulated devices also demonstrate highly improved long-term stability and humidity stability. Furthermore, an augmented performance of 21.23% is achieved, which is the highest PCE of flexible device based on 2D/3D composite perovskite films coupled with the best mechanical stability due to the 2D/3D alternating structure.
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Affiliation(s)
- Yue Liu
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun, 130012, China
| | - Yanbo Gao
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun, 130012, China
| | - Xinyu Bao
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun, 130012, China
| | - Fujun Zhang
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun, 130012, China
| | - Zehua Xu
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun, 130012, China
| | - Junhua Hu
- State Centre for International Cooperation on Designer Low-carbon & Environmental Materials, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, China
| | - Zhifeng Shi
- Key Laboratory of Materials Physics of Ministry of Education, Department of Physics and Engineering, Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Min Lu
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun, 130012, China
| | - Zhennan Wu
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun, 130012, China
| | - Yu Zhang
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun, 130012, China
| | - Dingdi Wang
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun, 130012, China
| | - William W Yu
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China
| | - Xue Bai
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun, 130012, China
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13
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Chrystie RSM. A Review on 1-D Nanomaterials: Scaling-Up with Gas-Phase Synthesis. CHEM REC 2023; 23:e202300087. [PMID: 37309743 DOI: 10.1002/tcr.202300087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/04/2023] [Indexed: 06/14/2023]
Abstract
Nanowire-like materials exhibit distinctive properties comprising optical polarisation, waveguiding, and hydrophobic channelling, amongst many other useful phenomena. Such 1-D derived anisotropy can be further enhanced by arranging many similar nanowires into a coherent matrix, known as an array superstructure. Manufacture of nanowire arrays can be scaled-up considerably through judicious use of gas-phase methods. Historically, the gas-phase approach however has been extensively used for the bulk and rapid synthesis of isotropic 0-D nanomaterials such as carbon black and silica. The primary goal of this review is to document recent developments, applications, and capabilities in gas-phase synthesis methods of nanowire arrays. Secondly, we elucidate the design and use of the gas-phase synthesis approach; and finally, remaining challenges and needs are addressed to advance this field.
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Affiliation(s)
- Robin S M Chrystie
- Department of Chemical Engineering, King Fahd University of Petroleum & Minerals, KFUPM Box 5050, Dhahran, 31261, Saudi Arabia
- IRC for Membranes & Water Security, King Fahd University of Petroleum & Minerals, KFUPM Box 5051, Dhahran, 31261, Saudi Arabia
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14
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Qin F, Lu M, Lu P, Sun S, Bai X, Zhang Y. Luminescence and Degeneration Mechanism of Perovskite Light-Emitting Diodes and Strategies for Improving Device Performance. SMALL METHODS 2023; 7:e2300434. [PMID: 37434048 DOI: 10.1002/smtd.202300434] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 06/17/2023] [Indexed: 07/13/2023]
Abstract
Perovskite light-emitting diodes (PeLEDs) can be a promising technology for next-generation display and lighting applications due to their excellent optoelectronic properties. However, a systematical overview of luminescence and degradation mechanism of perovskite materials and PeLEDs is lacking. Therefore, it is crucial to fully understand these mechanisms and further improve device performances. In this work, the fundamental photophysical processes of perovskite materials, electroluminescence mechanism of PeLEDs including carrier kinetics and efficiency roll-off as well as device degradation mechanism are discussed in detail. In addition, the strategies to improve device performances are summarized, including optimization of photoluminescence quantum yield, charge injection and recombination, and light outcoupling efficiency. It is hoped that this work can provide guidance for future development of PeLEDs and ultimately realize industrial applications.
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Affiliation(s)
- Feisong Qin
- State Key Laboratory of Integrated Optoelectronics and College of Electronic Science and Engineering, Jilin University, Changchun, 130012, China
| | - Min Lu
- State Key Laboratory of Integrated Optoelectronics and College of Electronic Science and Engineering, Jilin University, Changchun, 130012, China
| | - Po Lu
- State Key Laboratory of Integrated Optoelectronics and College of Electronic Science and Engineering, Jilin University, Changchun, 130012, China
| | - Siqi Sun
- State Key Laboratory of Integrated Optoelectronics and College of Electronic Science and Engineering, Jilin University, Changchun, 130012, China
| | - Xue Bai
- State Key Laboratory of Integrated Optoelectronics and College of Electronic Science and Engineering, Jilin University, Changchun, 130012, China
| | - Yu Zhang
- State Key Laboratory of Integrated Optoelectronics and College of Electronic Science and Engineering, Jilin University, Changchun, 130012, China
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15
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Hoang Huy VP, Nguyen TMH, Bark CW. Recent Advances of Doped SnO 2 as Electron Transport Layer for High-Performance Perovskite Solar Cells. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6170. [PMID: 37763449 PMCID: PMC10532999 DOI: 10.3390/ma16186170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/05/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023]
Abstract
Perovskite solar cells (PSCs) have garnered considerable attention over the past decade owing to their low cost and proven high power conversion efficiency of over 25%. In the planar heterojunction PSC structure, tin oxide was utilized as a substitute material for the TiO2 electron transport layer (ETL) owing to its similar physical properties and high mobility, which is suitable for electron mining. Nevertheless, the defects and morphology significantly changed the performance of SnO2 according to the different deposition techniques, resulting in the poor performance of PSCs. In this review, we provide a comprehensive insight into the factors that specifically influence the ETL in PSC. The properties of the SnO2 materials are briefly introduced. In particular, the general operating principles, as well as the suitability level of doping in SnO2, are elucidated along with the details of the obtained results. Subsequently, the potential for doping is evaluated from the obtained results to achieve better results in PSCs. This review aims to provide a systematic and comprehensive understanding of the effects of different types of doping on the performance of ETL SnO2 and potentially instigate further development of PSCs with an extension to SnO2-based PSCs.
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Affiliation(s)
| | | | - Chung Wung Bark
- Department of Electrical Engineering, Gachon University, Seongnam 13120, Gyeonggi, Republic of Korea; (V.P.H.H.); (T.M.H.N.)
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16
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Giri A, Walton SG, Tomko J, Bhatt N, Johnson MJ, Boris DR, Lu G, Caldwell JD, Prezhdo OV, Hopkins PE. Ultrafast and Nanoscale Energy Transduction Mechanisms and Coupled Thermal Transport across Interfaces. ACS NANO 2023; 17:14253-14282. [PMID: 37459320 PMCID: PMC10416573 DOI: 10.1021/acsnano.3c02417] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 06/06/2023] [Indexed: 08/09/2023]
Abstract
The coupled interactions among the fundamental carriers of charge, heat, and electromagnetic fields at interfaces and boundaries give rise to energetic processes that enable a wide array of technologies. The energy transduction among these coupled carriers results in thermal dissipation at these surfaces, often quantified by the thermal boundary resistance, thus driving the functionalities of the modern nanotechnologies that are continuing to provide transformational benefits in computing, communication, health care, clean energy, power recycling, sensing, and manufacturing, to name a few. It is the purpose of this Review to summarize recent works that have been reported on ultrafast and nanoscale energy transduction and heat transfer mechanisms across interfaces when different thermal carriers couple near or across interfaces. We review coupled heat transfer mechanisms at interfaces of solids, liquids, gasses, and plasmas that drive the resulting interfacial heat transfer and temperature gradients due to energy and momentum coupling among various combinations of electrons, vibrons, photons, polaritons (plasmon polaritons and phonon polaritons), and molecules. These interfacial thermal transport processes with coupled energy carriers involve relatively recent research, and thus, several opportunities exist to further develop these nascent fields, which we comment on throughout the course of this Review.
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Affiliation(s)
- Ashutosh Giri
- Department
of Mechanical, Industrial and Systems Engineering, University of Rhode Island, Kingston, Rhode Island 02881, United States
| | - Scott G. Walton
- Plasma
Physics Division, Naval Research Laboratory, Washington, DC 22032, United States
| | - John Tomko
- Department
of Mechanical and Aerospace Engineering, University of Virginia, Charlottesville, Virginia 22904, United States
| | - Niraj Bhatt
- Department
of Mechanical, Industrial and Systems Engineering, University of Rhode Island, Kingston, Rhode Island 02881, United States
| | - Michael J. Johnson
- Plasma
Physics Division, Naval Research Laboratory, Washington, DC 22032, United States
| | - David R. Boris
- Plasma
Physics Division, Naval Research Laboratory, Washington, DC 22032, United States
| | - Guanyu Lu
- Department
of Mechanical Engineering, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Joshua D. Caldwell
- Department
of Mechanical Engineering, Vanderbilt University, Nashville, Tennessee 37235, United States
- Interdisciplinary
Materials Science, Vanderbilt University, Nashville, Tennessee 37235, United States
- Vanderbilt
Institute of Nanoscale Science and Engineering, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Oleg V. Prezhdo
- Department
of Chemistry, University of Southern California, Los Angeles, California 90089, United States
- Department
of Physics and Astronomy, University of
Southern California, Los Angeles, California 90089, United States
| | - Patrick E. Hopkins
- Department
of Mechanical and Aerospace Engineering, University of Virginia, Charlottesville, Virginia 22904, United States
- Department
of Materials Science and Engineering, University
of Virginia, Charlottesville, Virginia 22904, United States
- Department
of Physics, University of Virginia, Charlottesville, Virginia 22904, United States
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17
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Zhang Z, Dai L, Zhang M, Ban H, Liu Z, Yu H, Gu A, Zhang XL, Chen S, Wang Y, Shen Y, Wang M. Surface Modification in CsPb 0.5Sn 0.5I 2Br Inorganic Perovskite Solar Cells: Effects of Bifunctional Dipolar Molecules on Photovoltaic Performance. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37467424 DOI: 10.1021/acsami.3c07018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
Inorganic tin-lead binary perovskites have piqued the interest of researchers as effective absorbers for thermally stable solar cells. However, the nonradiative recombination originating from the surface undercoordinated Sn2+ cations and the energetic offsets between different layers cause an excessive energy loss and deteriorate the perovskite device's performance. In this study, we investigated two thioamide derivatives that differ only in the polar part connected to their common benzene ring, namely, benzenecarbothioamide and 4-fluorophenylcarbothioamide (F-TBA). These two molecules were implemented as modifiers onto the inorganic tin-lead perovskite (CsPb0.5Sn0.5I2Br) surface in the perovskite solar cells. Modifiers that carry C═S and NH2 functional groups, equipped with lone electron pairs, can autonomously associate with surface Sn2+ through coordination and electrostatic attraction mechanisms. This interaction serves effectively to passivate the surface. In addition, due to the permanent dipole moment of the intermediate layer, an interfacial dipole field appears at the PCBM/CsPb0.5Sn0.5I2Br interface, reducing the electron extraction potential barrier. Consequently, the planar solar cell with an ITO/PEDOT:PSS/CsPb0.5Sn0.5I2Br/PCBM/BCP/Ag layered structure featuring an F-TBA surface post-treatment demonstrated a noteworthy power conversion efficiency of 14.01%. Simultaneously, after being stored for 1000 h in an inert atmosphere glovebox, the non-encapsulated CsPb0.5Sn0.5I2Br solar cells managed to preserve 94% of their original efficiency.
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Affiliation(s)
- Zhiguo Zhang
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, Hubei, P. R. China
| | - Letian Dai
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, Hubei, P. R. China
| | - Miaomiao Zhang
- China-EU Institute for Clean and Renewable Energy, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan 430074, P. R. China
| | - Huaxia Ban
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, Hubei, P. R. China
| | - Zhirong Liu
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, Hubei, P. R. China
| | - Haixuan Yu
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, Hubei, P. R. China
| | - Anjie Gu
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, Hubei, P. R. China
| | - Xiao-Li Zhang
- State Centre for International Cooperation on Designer Low-Carbon & Environmental Materials, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China
| | | | - Yin Wang
- Hubei Key Laboratory of Low Dimensional Optoelectronic Materials and Devices, Hubei University of Arts and Science, Xiangyang 441053, Hubei, P. R. China
| | - Yan Shen
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, Hubei, P. R. China
| | - Mingkui Wang
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, Hubei, P. R. China
- China-EU Institute for Clean and Renewable Energy, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan 430074, P. R. China
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18
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Zanoni KPS, Pérez-Del-Rey D, Dreessen C, Rodkey N, Sessolo M, Soltanpoor W, Morales-Masis M, Bolink HJ. Tin(IV) Oxide Electron Transport Layer via Industrial-Scale Pulsed Laser Deposition for Planar Perovskite Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37368062 DOI: 10.1021/acsami.3c04387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
Electron transport layers (ETL) based on tin(IV) oxide (SnO2) are recurrently employed in perovskite solar cells (PSCs) by many deposition techniques. Pulsed laser deposition (PLD) offers a few advantages for the fabrication of such layers, such as being compatible with large scale, patternable, and allowing deposition at fast rates. However, a precise understanding of how the deposition parameters can affect the SnO2 film, and as a consequence the solar cell performance, is needed. Herein, we use a PLD tool equipped with a droplet trap to minimize the number of excess particles (originated from debris) reaching the substrate, and we show how to control the PLD chamber pressure to obtain surfaces with very low roughness and how the concentration of oxygen in the background gas can affect the number of oxygen vacancies in the film. Using optimized deposition conditions, we obtained solar cells in the n-i-p configuration employing methylammonium lead iodide perovskite as the absorber layer with power conversion efficiencies exceeding 18% and identical performance to devices having the more typical atomic layer deposited SnO2 ETL.
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Affiliation(s)
- Kassio P S Zanoni
- Instituto de Ciencia Molecular, Universidad de Valencia, C/Catedrático J. Beltrán 2, 46980 Paterna, Spain
| | - Daniel Pérez-Del-Rey
- Instituto de Ciencia Molecular, Universidad de Valencia, C/Catedrático J. Beltrán 2, 46980 Paterna, Spain
| | - Chris Dreessen
- Instituto de Ciencia Molecular, Universidad de Valencia, C/Catedrático J. Beltrán 2, 46980 Paterna, Spain
| | - Nathan Rodkey
- Instituto de Ciencia Molecular, Universidad de Valencia, C/Catedrático J. Beltrán 2, 46980 Paterna, Spain
| | - Michele Sessolo
- Instituto de Ciencia Molecular, Universidad de Valencia, C/Catedrático J. Beltrán 2, 46980 Paterna, Spain
| | - Wiria Soltanpoor
- MESA+ Institute for Nanotechnology, University of Twente, Enschede 7500 AE, The Netherlands
| | - Monica Morales-Masis
- MESA+ Institute for Nanotechnology, University of Twente, Enschede 7500 AE, The Netherlands
| | - Henk J Bolink
- Instituto de Ciencia Molecular, Universidad de Valencia, C/Catedrático J. Beltrán 2, 46980 Paterna, Spain
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19
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Kiani M, Parkhomenko HP, Mangrulkar M, Aigarayeva S, Akhanuly A, Shalenov EO, Ng A, Jumabekov AN. Stepping toward Portable Optoelectronics with SnO 2 Quantum Dot-Based Electron Transport Layers. ACS OMEGA 2023; 8:21212-21222. [PMID: 37323420 PMCID: PMC10268264 DOI: 10.1021/acsomega.3c02341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 04/25/2023] [Indexed: 06/17/2023]
Abstract
With a power conversion efficiency (PCE) of more than 25%, perovskite solar cells (PSCs) have shown an immense potential application for solar energy conversion. Owing to lower manufacturing costs and facile processibility via printing techniques, PSCs can easily be scaled up to an industrial scale. The device performance of printed PSCs has been improving steadily with the development and optimization of the printing process for the device functional layers. Various kinds of SnO2 nanoparticle (NP) dispersion solutions including commercial ones are used to print the electron transport layer (ETL) of printed PSCs, and high processing temperatures are often required to obtain ETLs with optimum quality. This, however, limits the application of SnO2 ETLs in printed and flexible PSCs. In this work, the use of an alternative SnO2 dispersion solution based on SnO2 quantum dots (QDs) to fabricate ETLs of printed PSCs on flexible substrates is reported. A comparative analysis of the performance and properties of the obtained devices with the devices fabricated employing ETLs made with a commercial SnO2 NP dispersion solution is carried out. The ETLs made with SnO2 QDs are shown to improve the performance of devices by ∼11% on average compared to the ETLs made with SnO2 NPs. It is found that employing SnO2 QDs can reduce trap states in the perovskite layer and improve charge extraction in devices.
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Affiliation(s)
- Muhammad
Salman Kiani
- Department
of Physics, School of Sciences and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
| | - Hryhorii P. Parkhomenko
- Department
of Physics, School of Sciences and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
| | - Mayuribala Mangrulkar
- Department
of Physics, School of Sciences and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
| | - Sabina Aigarayeva
- Department
of Physics, School of Sciences and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
| | - Assylan Akhanuly
- Department
of Physics, School of Sciences and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
| | - Erik O. Shalenov
- Department
of General Physics, Satbayev University, Almaty 050013, Kazakhstan
| | - Annie Ng
- Department
of Electrical and Computer Engineering, School of Engineering and
Digital Sciences, Nazarbayev University, Astana 010000, Kazakhstan
| | - Askhat N. Jumabekov
- Department
of Physics, School of Sciences and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
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20
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Perrella F, Coppola F, Rega N, Petrone A. An Expedited Route to Optical and Electronic Properties at Finite Temperature via Unsupervised Learning. Molecules 2023; 28:3411. [PMID: 37110644 PMCID: PMC10144358 DOI: 10.3390/molecules28083411] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 04/06/2023] [Accepted: 04/07/2023] [Indexed: 04/29/2023] Open
Abstract
Electronic properties and absorption spectra are the grounds to investigate molecular electronic states and their interactions with the environment. Modeling and computations are required for the molecular understanding and design strategies of photo-active materials and sensors. However, the interpretation of such properties demands expensive computations and dealing with the interplay of electronic excited states with the conformational freedom of the chromophores in complex matrices (i.e., solvents, biomolecules, crystals) at finite temperature. Computational protocols combining time dependent density functional theory and ab initio molecular dynamics (MD) have become very powerful in this field, although they require still a large number of computations for a detailed reproduction of electronic properties, such as band shapes. Besides the ongoing research in more traditional computational chemistry fields, data analysis and machine learning methods have been increasingly employed as complementary approaches for efficient data exploration, prediction and model development, starting from the data resulting from MD simulations and electronic structure calculations. In this work, dataset reduction capabilities by unsupervised clustering techniques applied to MD trajectories are proposed and tested for the ab initio modeling of electronic absorption spectra of two challenging case studies: a non-covalent charge-transfer dimer and a ruthenium complex in solution at room temperature. The K-medoids clustering technique is applied and is proven to be able to reduce by ∼100 times the total cost of excited state calculations on an MD sampling with no loss in the accuracy and it also provides an easier understanding of the representative structures (medoids) to be analyzed on the molecular scale.
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Affiliation(s)
- Fulvio Perrella
- Scuola Superiore Meridionale, Largo San Marcellino 10, I-80138 Napoli, Italy; (F.P.); (F.C.); (N.R.)
| | - Federico Coppola
- Scuola Superiore Meridionale, Largo San Marcellino 10, I-80138 Napoli, Italy; (F.P.); (F.C.); (N.R.)
| | - Nadia Rega
- Scuola Superiore Meridionale, Largo San Marcellino 10, I-80138 Napoli, Italy; (F.P.); (F.C.); (N.R.)
- Department of Chemical Sciences, University of Napoli Federico II, Complesso Universitario di M.S. Angelo, via Cintia 21, I-80126 Napoli, Italy
- Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, Complesso Universitario di M.S. Angelo ed. 6, via Cintia 21, I-80126 Napoli, Italy
| | - Alessio Petrone
- Scuola Superiore Meridionale, Largo San Marcellino 10, I-80138 Napoli, Italy; (F.P.); (F.C.); (N.R.)
- Department of Chemical Sciences, University of Napoli Federico II, Complesso Universitario di M.S. Angelo, via Cintia 21, I-80126 Napoli, Italy
- Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, Complesso Universitario di M.S. Angelo ed. 6, via Cintia 21, I-80126 Napoli, Italy
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21
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Ayaydah W, Raddad E, Hawash Z. Sn-Based Perovskite Solar Cells towards High Stability and Performance. MICROMACHINES 2023; 14:806. [PMID: 37421039 DOI: 10.3390/mi14040806] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 03/29/2023] [Accepted: 03/30/2023] [Indexed: 07/09/2023]
Abstract
Recent years have witnessed rapid development in the field of tin-based perovskite solar cells (TPSCs) due to their environmental friendliness and tremendous potential in the photovoltaic field. Most of the high-performance PSCs are based on lead as the light-absorber material. However, the toxicity of lead and the commercialization raise concerns about potential health and environmental hazards. TPSCs can maintain all the optoelectronic properties of lead PSCs, as well as feature a favorable smaller bandgap. However, TPSCs tend to undergo rapid oxidation, crystallization, and charge recombination, which make it difficult to unlock the full potential of such perovskites. Here, we shed light on the most critical features and mechanisms affecting the growth, oxidation, crystallization, morphology, energy levels, stability, and performance of TPSCs. We also investigate the recent strategies, such as interfaces and bulk additives, built-in electric field, and alternative charge transport materials that are used to enhance the performance of the TPSCs. More importantly, we have summarized most of the recent best-performing lead-free and lead-mixed TPSCs. This review aims to help future research in TPSCs to produce highly stable and efficient solar cells.
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Affiliation(s)
- Wafa' Ayaydah
- Department of Physics, Birzeit University, Birzeit, Ramallah 71939, Palestine
| | - Eman Raddad
- Department of Physics, Birzeit University, Birzeit, Ramallah 71939, Palestine
| | - Zafer Hawash
- Department of Physics, Birzeit University, Birzeit, Ramallah 71939, Palestine
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22
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Pandey S, Karakoti M, Bhardwaj D, Tatrari G, Sharma R, Pandey L, Lee MJ, Sahoo NG. Recent advances in carbon-based materials for high-performance perovskite solar cells: gaps, challenges and fulfillment. NANOSCALE ADVANCES 2023; 5:1492-1526. [PMID: 36926580 PMCID: PMC10012878 DOI: 10.1039/d3na00005b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
Presently, carbon-based nanomaterials have shown tremendous potential for energy conversion applications. Especially, carbon-based materials have emerged as excellent candidates for the fabrication of halide perovskite-based solar cells, which may lead to their commercialization. In the last decade, PSCs have rapidly developed, and these hybrid devices demonstrate a comparable performance to silicon-based solar cells in terms of power conversion efficiency (PCE). However, PSCs lag behind silicon-based solar cells due to their poor stability and durability. Generally, noble metals such gold and silver are employed as back electrode materials during the fabrication of PSCs. However, the use of these expensive rare metals is associated with some issues, urgently necessitating the search for cost-effective materials, which can realize the commercial applications of PSCs due to their interesting properties. Thus, the present review shows how carbon-based materials can become the main candidates for the development of highly efficient and stable PSCs. Carbon-based materials such as carbon black, graphite, graphene nanosheets (2D/3D), carbon nanotubes (CNTs), carbon dots, graphene quantum dots (GQDs) and carbon nanosheets show potential for the laboratory and large-scale fabrication of solar cells and modules. Carbon-based PSCs can achieve efficient and long-term stability for both rigid and flexible substrates because of their high conductivity and excellent hydrophobicity, thus showing good results in comparison to metal electrode-based PSCs. Thus, the present review also demonstrates and discusses the latest state-of-the-art and recent advances for carbon-based PSCs. Furthermore, we present perspectives on the cost-effective synthesis of carbon-based materials for the broader view of the future sustainability of carbon-based PSCs.
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Affiliation(s)
- Sandeep Pandey
- Department of Chemistry, Konkuk University Seoul 05029 Republic of Korea
- Liquid Crystals Research Center, Konkuk University Seoul 05029 Republic of Korea
| | - Manoj Karakoti
- PRS Nanoscience and Nanotechnology Centre, Department of Chemistry, Kumaun University D.S.B. Campus Nainital-263001 Uttarakhand India
- Research Institute for Green Energy Convergence Technology, Gyeongsang National University Jinju 52828 Republic of Korea
| | - Dinesh Bhardwaj
- Vikas Ecotech Limited 34/1 East Punjabi Bagh New Delhi-110026 India
| | - Gaurav Tatrari
- PRS Nanoscience and Nanotechnology Centre, Department of Chemistry, Kumaun University D.S.B. Campus Nainital-263001 Uttarakhand India
- Chemistry of Interface, Lulea Technology University Lulea Sweden
| | - Richa Sharma
- Maharaja Agrasen Institute of Technology GGSIPU, Rohini New Delhi 110086 India
| | - Lata Pandey
- PRS Nanoscience and Nanotechnology Centre, Department of Chemistry, Kumaun University D.S.B. Campus Nainital-263001 Uttarakhand India
| | - Man-Jong Lee
- Department of Chemistry, Konkuk University Seoul 05029 Republic of Korea
- Liquid Crystals Research Center, Konkuk University Seoul 05029 Republic of Korea
| | - Nanda Gopal Sahoo
- PRS Nanoscience and Nanotechnology Centre, Department of Chemistry, Kumaun University D.S.B. Campus Nainital-263001 Uttarakhand India
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23
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Lee SU, Park H, Shin H, Park NG. Atomic layer deposition of SnO 2 using hydrogen peroxide improves the efficiency and stability of perovskite solar cells. NANOSCALE 2023; 15:5044-5052. [PMID: 36804638 DOI: 10.1039/d2nr06884b] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Low-temperature processed SnO2 is a promising electron transporting layer in perovskite solar cells (PSCs) due to its optoelectronic advantage. Atomic layer deposition (ALD) is suitable for forming a conformal SnO2 layer on a high-haze substrate. However, oxygen vacancy formed by the conventional ALD process using H2O might have a detrimental effect on the efficiency and stability of PSCs. Here, we report on the photovoltaic performance and stability of PSCs based on the ALD-SnO2 layer with low oxygen vacancies fabricated via H2O2. Compared to the ALD-SnO2 layer formed using H2O vapors, the ALD-SnO2 layer prepared via H2O2 shows better electron extraction due to a reduced oxygen vacancy associated with the highly oxidizing nature of H2O2. As a result, the power conversion efficiency (PCE) is enhanced from 21.42% for H2O to 22.34% for H2O2 mainly due to an enhanced open-circuit voltage. Operational stability is simultaneously improved, where 89.3% of the initial PCE is maintained after 1000 h under an ambient condition for the H2O2-derived ALD SnO2 as compared to the control device maintaining 72.5% of the initial PCE.
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Affiliation(s)
- Sang-Uk Lee
- School of Chemical Engineering, Center for Antibonding Regulated Crystals, Sungkyunkwan University, Suwon 16419, Republic of Korea.
| | - Hyoungmin Park
- Department of Energy Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Hyunjung Shin
- Department of Energy Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
- SKKU Institute of Energy Science and Technology (SIEST), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Nam-Gyu Park
- School of Chemical Engineering, Center for Antibonding Regulated Crystals, Sungkyunkwan University, Suwon 16419, Republic of Korea.
- SKKU Institute of Energy Science and Technology (SIEST), Sungkyunkwan University, Suwon 16419, Republic of Korea
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24
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Amutha T, Rameshbabu M, Razia M, Bakri M, Florence SS, Muthupandi S, Prabha K. Structural, optical and antibacterial activity of pure and co-doped (Fe & Ni) tin oxide nanoparticles. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 287:121996. [PMID: 36327808 DOI: 10.1016/j.saa.2022.121996] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 09/24/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
In this investigation, ferric (Fe) and nickel (Ni) co-doped tin oxide (SnO2) nanoparticles structural, optical, morphological, and antibacterial characteristics were synthesised, characterised, and examined. By employing SnCl2·2H2O and the transition metal precursors FeCl3 and NiCl2·6H2O with various Fe/Ni molar ratios, thermal annealing was carried out at a high temperature (700 °C). X-ray diffraction (XRD), UV-Visible spectroscopy, Photoluminescence (PL), FT-IR, and scanning electron microscopy (SEM) with energy dispersive X-ray techniques (EDX) were used to examine the materials' structural, chemical, optical, morphological, and anti-microbial capabilities. The average particle size of pure and co-doped SnO2 nanoparticles was determined to be around 52 nm and 15 nm, and SnO2 crystallites were observed to present tetragonal rutile structure with space group P42/mmm (No.136). Metal ions were replaced in the Sn lattice, as shown by Fe and Ni co-doped SnO2 nanoparticles. Pure and co-doped samples have capsule and sphere-like features in their SEM morphology. Using UV-visible diffuse reflectance spectroscopy, the optical property was examined, and it was observed that the band gaps for pure and co-doped SnO2 were 3.73 eV and 3.53 eV, respectively. The functional groups and incorporation of Fe and Ni in the prepared powder were also validated by FT-IR and EDX studies. By utilising the agar well diffusion technique and Nutrient agar, the antibacterial properties of pure, Ni-Fe co-doped SnO2 nanoparticles annealed at 700 °C were assessed. They were evaluated against various Gram-positive bacteria (Staphylococcus pheumoniae) and Gram-negative bacteria (Shigella dysenteria). The zone of incubation was found against the Gram +Ve and Gram -Ve bacterial strains.
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Affiliation(s)
- T Amutha
- Department of Physics, Mother Teresa Women's University, Kodaikanal 624101, Tamil Nadu, India
| | - M Rameshbabu
- Department of Physics, Arulmigu Palaniandavar College of Arts and Culture, Palani 624601, Tamil Nadu, India
| | - M Razia
- Department of Biotechnology, Mother Teresa Women's University, Kodaikanal 624101, Tamil Nadu, India
| | - Marwah Bakri
- Department of Biology, Jazan University, Jizan 45142, Saudi Arabia
| | - S Sasi Florence
- Department of Physics, Jazan University, Jizan 45142, Saudi Arabia
| | - S Muthupandi
- Department of Physics, Loyola College, Affiliated to University of Madras, Chennai 600034, Tamil Nadu, India
| | - K Prabha
- Department of Physics, Mother Teresa Women's University, Kodaikanal 624101, Tamil Nadu, India.
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25
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Perrella F, Li X, Petrone A, Rega N. Nature of the Ultrafast Interligands Electron Transfers in Dye-Sensitized Solar Cells. JACS AU 2023; 3:70-79. [PMID: 36711100 PMCID: PMC9875239 DOI: 10.1021/jacsau.2c00556] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 11/22/2022] [Accepted: 11/23/2022] [Indexed: 05/14/2023]
Abstract
Charge-transfer dynamics and interligand electron transfer (ILET) phenomena play a pivotal role in dye-sensitizers, mostly represented by the Ru-based polypyridyl complexes, for TiO2 and ZnO-based solar cells. Starting from metal-to-ligand charge-transfer (MLCT) excited states, charge dynamics and ILET can influence the overall device efficiency. In this letter, we focus on N34- dye ( [Ru(dcbpy)2(NCS)2]4-, dcbpy = 4,4'-dicarboxy-2,2'-bipyridine) to provide a first direct observation with high time resolution (<20 fs) of the ultrafast electron exchange between bpy-like ligands. ILET is observed in water solution after photoexcitation in the ∼400 nm MLCT band, and assessment of its ultrafast time-scale is here given through a real-time electronic dynamics simulation on the basis of state-of-the-art electronic structure methods. Indirect effects of water at finite temperature are also disentangled by investigating the system in a symmetric gas-phase structure. As main result, remarkably, the ILET mechanism appears to be based upon a purely electronic evolution among the dense, experimentally accessible, MLCT excited states manifold at ∼400 nm, which rules out nuclear-electronic couplings and proves further the importance of the dense electronic manifold in improving the efficiency of dye sensitizers in solar cell devices.
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Affiliation(s)
- Fulvio Perrella
- Department
of Chemical Sciences, University of Napoli
Federico II, Complesso Universitario di M.S. Angelo, via Cintia 21, I-80126 Napoli, Italy
| | - Xiaosong Li
- Department
of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Alessio Petrone
- Department
of Chemical Sciences, University of Napoli
Federico II, Complesso Universitario di M.S. Angelo, via Cintia 21, I-80126 Napoli, Italy
- Scuola
Superiore Meridionale, Largo San Marcellino 10, I-80138 Napoli, Italy
- Istituto
Nazionale Di Fisica Nucleare, sezione di Napoli, Complesso Universitario di Monte S. Angelo ed.
6, via Cintia, 80126 Napoli, Italy
| | - Nadia Rega
- Department
of Chemical Sciences, University of Napoli
Federico II, Complesso Universitario di M.S. Angelo, via Cintia 21, I-80126 Napoli, Italy
- Scuola
Superiore Meridionale, Largo San Marcellino 10, I-80138 Napoli, Italy
- Istituto
Nazionale Di Fisica Nucleare, sezione di Napoli, Complesso Universitario di Monte S. Angelo ed.
6, via Cintia, 80126 Napoli, Italy
- CRIB,
Centro Interdipartimentale di Ricerca sui Biomateriali, Piazzale Tecchio 80, I-80125 Napoli, Italy
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26
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Debgupta J, Lari L, Isaacs M, Carey J, McKenna KP, Lazarov VK, Chechik V, Douthwaite RE. Predictive Removal of Interfacial Defect-Induced Trap States between Titanium Dioxide Nanoparticles via Sub-Monolayer Zirconium Coating. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2023; 127:660-671. [PMID: 36660098 PMCID: PMC9841567 DOI: 10.1021/acs.jpcc.2c06927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 12/13/2022] [Indexed: 06/17/2023]
Abstract
First principles modeling of anatase TiO2 surfaces and their interfacial contacts shows that defect-induced trap states within the band gap arise from intrinsic structural distortions, and these can be corrected by modification with Zr(IV) ions. Experimental testing of these predictions has been undertaken using anatase nanocrystals modified with a range of Zr precursors and characterized using structural and spectroscopic methods. Continuous-wave electron paramagnetic resonance (EPR) spectroscopy revealed that under illumination, nanoparticle-nanoparticle interfacial hole trap states dominate, which are significantly reduced after optimizing the Zr doping. Fabrication of nanoporous films of these materials and charge injection using electrochemical methods shows that Zr doping also leads to improved electron conductivity and mobility in these nanocrystalline systems. The simple methodology described here to reduce the concentration of interfacial defects may have wider application to improving the efficiency of systems incorporating metal oxide powders and films including photocatalysts, photovoltaics, fuel cells, and related energy applications.
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Affiliation(s)
| | - Leonardo Lari
- Department
of Physics, University of York, Heslington, York YO10 5DD, UK
| | - Mark Isaacs
- HarwellXPS, R92 Research Complex at Harwell, Rutherford Appleton Laboratories,
Harwell, Didcot OX11 0QS, UK
- Department
of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, UK
| | - John Carey
- Department
of Physics, University of York, Heslington, York YO10 5DD, UK
| | - Keith P. McKenna
- Department
of Physics, University of York, Heslington, York YO10 5DD, UK
| | - Vlado K. Lazarov
- Department
of Physics, University of York, Heslington, York YO10 5DD, UK
| | - Victor Chechik
- Department
of Chemistry, University of York, York YO10 5DD, UK
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27
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Sheikh A, Soni K, Brajpuriya R, Lakshmi N. Investigation of the structural and electrochemical properties of a ZnO–SnO 2 composite and its electrical properties for application in dye-sensitized solar cells. NEW J CHEM 2023. [DOI: 10.1039/d3nj00573a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
Abstract
This study compares photovoltaic and electrochemical properties of nano sized ZnO–SnO2 composite as photoanode material made by a simple but effective mechanical mixing method with Ru N719 dye for energy harvesting applications in DSSCs.
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28
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Macdonald TJ, Lanzetta L, Liang X, Ding D, Haque SA. Engineering Stable Lead-Free Tin Halide Perovskite Solar Cells: Lessons from Materials Chemistry. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022:e2206684. [PMID: 36458662 DOI: 10.1002/adma.202206684] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 10/24/2022] [Indexed: 06/17/2023]
Abstract
Substituting toxic lead with tin (Sn) in perovskite solar cells (PSCs) is the most promising route toward the development of high-efficiency lead-free devices. Despite the encouraging efficiencies of Sn-PSCs, they are still yet to surpass 15% and suffer detrimental oxidation of Sn(II) to Sn(IV). Since their first application in 2014, investigations into the properties of Sn-PSCs have contributed to a growing understanding of the mechanisms, both detrimental and complementary to their stability. This review summarizes the evolution of Sn-PSCs, including early developments to the latest state-of-the-art approaches benefitting the stability of devices. The degradation pathways associated with Sn-PSCs are first outlined, followed by describing how composition engineering (A, B site modifications), additive engineering (oxidation prevention), and interface engineering (passivation strategies) can be employed as different avenues to improve the stability of devices. The knowledge about these properties is also not limited to PSCs and also applicable to other types of devices now employing Sn-based perovskite absorber layers. A detailed analysis of the properties and materials chemistry reveals a clear set of design rules for the development of stable Sn-PSCs. Applying the design strategies highlighted in this review will be essential to further improve both the efficiency and stability of Sn-PSCs.
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Affiliation(s)
- Thomas J Macdonald
- Department of Chemistry, Imperial College London, Wood Lane, W12 0BZ, UK
- Centre for Processable Electronics, Imperial College London, London, SW7 2AZ, UK
| | - Luis Lanzetta
- Department of Chemistry, Imperial College London, Wood Lane, W12 0BZ, UK
- Centre for Processable Electronics, Imperial College London, London, SW7 2AZ, UK
| | - Xinxing Liang
- Department of Chemistry, Imperial College London, Wood Lane, W12 0BZ, UK
- Centre for Processable Electronics, Imperial College London, London, SW7 2AZ, UK
| | - Dong Ding
- Department of Chemistry, Imperial College London, Wood Lane, W12 0BZ, UK
- Centre for Processable Electronics, Imperial College London, London, SW7 2AZ, UK
| | - Saif A Haque
- Department of Chemistry, Imperial College London, Wood Lane, W12 0BZ, UK
- Centre for Processable Electronics, Imperial College London, London, SW7 2AZ, UK
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29
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Wang Y, Chen B, Meng D, Song B, Liu Z, Hu P, Yang H, Ou TH, Liu F, Pi H, Pi I, Pi I, Wu W. Hot Electron-Driven Photocatalysis Using Sub-5 nm Gap Plasmonic Nanofinger Arrays. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12213730. [PMID: 36364506 PMCID: PMC9655529 DOI: 10.3390/nano12213730] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/19/2022] [Accepted: 10/21/2022] [Indexed: 06/12/2023]
Abstract
Semiconductor photocatalysis has received increasing attention because of its potential to address problems related to the energy crisis and environmental issues. However, conventional semiconductor photocatalysts, such as TiO2 and ZnO, can only be activated by ultraviolet light due to their wide band gap. To extend the light absorption into the visible range, the localized surface plasmon resonance (LSPR) effect of noble metal nanoparticles (NPs) has been widely used. Noble metal NPs can couple incident visible light energy to strong LSPR, and the nonradiative decay of LSPR generates nonthermal hot carriers that can be injected into adjacent semiconductor material to enhance its photocatalytic activity. Here we demonstrate that nanoimprint-defined gap plasmonic nanofinger arrays can function as visible light-driven plasmonic photocatalysts. The sub-5 nm gaps between pairs of collapsed nanofingers can support ultra-strong plasmon resonance and thus boost the population of hot carriers. The semiconductor material is exactly placed at the hot spots, providing an efficient pathway for hot carrier injection from plasmonic metal to catalytic materials. This nanostructure thus exhibits high plasmon-enhanced photocatalytic activity under visible light. The hot carrier injection mechanism of this platform was systematically investigated. The plasmonic enhancement factor was calculated using the finite-difference time-domain (FDTD) method and was consistent with the measured improvement of the photocatalytic activity. This platform, benefiting from the precise controllable geometry, provides a deeper understanding of the mechanism of plasmonic photocatalysis.
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Affiliation(s)
- Yunxiang Wang
- Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California, Los Angeles, CA 90089, USA
| | - Buyun Chen
- Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California, Los Angeles, CA 90089, USA
| | - Deming Meng
- Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California, Los Angeles, CA 90089, USA
| | - Boxiang Song
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Zerui Liu
- Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California, Los Angeles, CA 90089, USA
| | - Pan Hu
- Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California, Los Angeles, CA 90089, USA
| | - Hao Yang
- Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California, Los Angeles, CA 90089, USA
| | - Tse-Hsien Ou
- Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California, Los Angeles, CA 90089, USA
| | - Fanxin Liu
- Department of Applied Physics, Zhejiang University of Technology, Hangzhou 310023, China
| | - Halton Pi
- Department of Biophysics, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Irene Pi
- School of Computer Science, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Isleen Pi
- College of Art and Science, Washington University in St. Louis, St. Louis, MO 63130, USA
| | - Wei Wu
- Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California, Los Angeles, CA 90089, USA
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30
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Influence of ZIF-8 modification on performance of ZnO-based dye-sensitized solar cells. J Solid State Electrochem 2022. [DOI: 10.1007/s10008-022-05297-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2022]
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31
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Li Z, Li Z, Zuo C, Fang X. Application of Nanostructured TiO 2 in UV Photodetectors: A Review. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2109083. [PMID: 35061927 DOI: 10.1002/adma.202109083] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 01/16/2022] [Indexed: 06/14/2023]
Abstract
As a wide-bandgap semiconductor material, titanium dioxide (TiO2 ), which possesses three crystal polymorphs (i.e., rutile, anatase, and brookite), has gained tremendous attention as a cutting-edge material for application in the environment and energy fields. Based on the strong attractiveness from its advantages such as high stability, excellent photoelectric properties, and low-cost fabrication, the construction of high-performance photodetectors (PDs) based on TiO2 nanostructures is being extensively developed. An elaborate microtopography and device configuration is the most widely used strategy to achieve efficient TiO2 -based PDs with high photoelectric performances; however, a deep understanding of all the key parameters that influence the behavior of photon-generated carriers, is also highly required to achieve improved photoelectric performances, as well as their ultimate functional applications. Herein, an in-depth illustration of the electrical and optical properties of TiO2 nanostructures in addition to the advances in the technological issues such as preparation, microdefects, p-type doping, bandgap engineering, heterojunctions, and functional applications are presented. Finally, a future outlook for TiO2 -based PDs, particularly that of further functional applications is provided. This work will systematically illustrate the fundamentals of TiO2 and shed light on the preparation of more efficient TiO2 nanostructures and heterojunctions for future photoelectric applications.
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Affiliation(s)
- Ziliang Li
- Department of Materials Science, Fudan University, Shanghai, 200433, P. R. China
| | - Ziqing Li
- Department of Materials Science, Fudan University, Shanghai, 200433, P. R. China
| | - Chaolei Zuo
- Department of Materials Science, Fudan University, Shanghai, 200433, P. R. China
| | - Xiaosheng Fang
- Department of Materials Science, Fudan University, Shanghai, 200433, P. R. China
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32
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Ballabio M, Cánovas E. Electron Transfer at Quantum Dot–Metal Oxide Interfaces for Solar Energy Conversion. ACS NANOSCIENCE AU 2022; 2:367-395. [PMID: 36281255 PMCID: PMC9585894 DOI: 10.1021/acsnanoscienceau.2c00015] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
Electron transfer
at a donor–acceptor quantum dot–metal
oxide interface is a process fundamentally relevant to solar energy
conversion architectures as, e.g., sensitized solar cells and solar
fuels schemes. As kinetic competition at these technologically relevant
interfaces largely determines device performance, this Review surveys
several aspects linking electron transfer dynamics and device efficiency;
this correlation is done for systems aiming for efficiencies up to
and above the ∼33% efficiency limit set by Shockley and Queisser
for single gap devices. Furthermore, we critically comment on common
pitfalls associated with the interpretation of kinetic data obtained
from current methodologies and experimental approaches, and finally,
we highlight works that, to our judgment, have contributed to a better
understanding of the fundamentals governing electron transfer at quantum
dot–metal oxide interfaces.
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Affiliation(s)
- Marco Ballabio
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), 28049 Madrid, Spain
| | - Enrique Cánovas
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), 28049 Madrid, Spain
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Investigating the Morphology, Optical, and Thermal Properties of Multiphase-TiO2/MAPbI3 Heterogeneous Thin-Films for Solar Cell Applications. CONDENSED MATTER 2022. [DOI: 10.3390/condmat7020039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The present study evaluates the effect of mesoporous multiphase titanium dioxide (TiO2) nanoparticles (NPs) as an electron transporting layer and investigates the influence of phase composition on the perovskite solar cell (PSC) performances. This study also aims to evaluate PSC performance using conductive silver ink as an alternative counter electrode. The heterogeneous PSC thin-film solar cells were successfully fabricated and assembled by using a simple a doctor blade and two-step spin coating methods under ambient conditions. Scanning electron microscopy (SEM) micrograph images investigate methyl ammonium lead iodide (MAPbI3) crystal formation on the mesoporous TiO2 surface structure. Energy-dispersive x-ray spectroscopy (EDX) spectra reveal excellent qualitative and quantitative analysis corresponding to the SEM images in the TiO2/MAPbI3 heterogeneous thin films. Thermogravimetric analysis (TGA) characterization reveals that the TiO2/MAPbI3 thin films are thermally stable recording a maximum of 15.7% mass loss at 800 °C elevated temperatures. Photoluminescence spectroscopy (PL) characterized the effect of multiphase TiO2 phase transformation on the TiO2/MAPbI3 recombination efficiencies. A maximum of 6% power conversion efficiency (PCE) with the open-circuit voltage (Voc) of 0.58 ± 0.02 V and short circuit current (Jsc) of 3.89 ± 0.17 mAcm−2 was achieved for devices with an active area of 3 × 10−4 m2 demonstrating that the synthesized multiphase TiO2 nanoparticles are promising for large surface area manufacturing. Therefore, it is apparent that multiphase TiO2 NPs play a significant role in the performance of the final device.
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Boosted performances of mesoscopic perovskite solar cells using LaFeO3 inorganic perovskite nanomaterial. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116376] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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35
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Zhuang X, Chen X, Xu L, Liu S, Wu Y, Shi Z, Zhou Q, Li B, Yan H, Reiss P, Song H. Halide anions engineered ionic liquids passivation layer for highly stable inverted perovskite solar cells. J Colloid Interface Sci 2022; 622:469-480. [PMID: 35525148 DOI: 10.1016/j.jcis.2022.04.117] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 04/19/2022] [Accepted: 04/21/2022] [Indexed: 11/17/2022]
Abstract
Long-term stability remains a great challenge for metal halide perovskite solar cells (PSCs). The utilization of ionic liquids (ILs) is a promising strategy to solve the stability problem. However, few studies have focused on controlling the halide anions of ILs, in which different organic cations can modulate the melting point of ILs and film crystal growth. Here, ILs with a 1-ethyl-3-methylimidazolium (EMIM+) cation and different halide anions (X = Cl, Br, and I) are employed in inverted PSCs. The results show that EMIMX can form a 1D passivation layer by the in situ growth technique and influence the surface morphology of the perovskite film. These EMIMX-treated layers simultaneously suppress the surface defects and nonradiative energy losses and improve the hydrophobic properties. As a result, a power conversion efficiency (PCE) of 20.0% is obtained for the EMIMBr-modified PSCs compared to 18.06% for the control device. Moreover, the unencapsulated devices maintain more than 90% of their initial PCE over 3000 h under ambient air, which is among the best long-term stabilities reported for NiOx-based inverted PSCs. It also retains 74.2% and 49.5% of the initial PCE value after aging under harsher conditions, such as an 85 ± 5% relative humidity (RH) environment and at 85 °C for 48 h, respectively.
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Affiliation(s)
- Xinmeng Zhuang
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, People's Republic of China
| | - Xinfu Chen
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, People's Republic of China
| | - Lin Xu
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, People's Republic of China.
| | - Shuainan Liu
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, People's Republic of China
| | - Yanjie Wu
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, People's Republic of China
| | - Zhichong Shi
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, People's Republic of China
| | - Qingqing Zhou
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, People's Republic of China
| | - Bo Li
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, People's Republic of China
| | - Haixia Yan
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, People's Republic of China
| | - Peter Reiss
- Univ. Grenoble Alpes, CEA, CNRS, IRIG-SyMMES, STEP, F-38000 Grenoble, France.
| | - Hongwei Song
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, People's Republic of China.
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36
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Zare A, Behaein S, Moradi M, Hosseini Z. Application of a dual functional blocking layer for improvement of the responsivity in a self-powered UV photodetector based on TiO 2 nanotubes. RSC Adv 2022; 12:9909-9916. [PMID: 35424944 PMCID: PMC8963264 DOI: 10.1039/d2ra00379a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 03/22/2022] [Indexed: 11/21/2022] Open
Abstract
A layer of graphene quantum dots (GQDs) was applied on the photoanode of a self-powered photoelectrochemical (PEC) UV photodetector based on TiO2 nanotubes (NTs). The GQDs layer acted as a dual functional layer and improved the photodetector performance by both UV light absorption and blocking the charge carriers recombination at the photoanode/electrolyte interface. The short circuit current density (Jsc) and thereby the responsivity of the PEC UV photodetector was enhanced by 473%. The highest value of the responsivity in this work obtained for the PEC UV photodetector with the dual functional GQDs layer was as much as 42.5 mA W-1. This value is far better than previously reported responsivities of the PEC devices based on TiO2 NTs as a photoanode. This high responsivity was obtained under the illumination of a very low intensity UV light (365 nm, 2 mW cm-2) and 0 V bias. Moreover, the sensitivity of the PEC UV photodetector with the dual functional GQDs layer has been improved by 345%, which is almost 3.5 times higher compared to the sensitivity of its counterpart without the GQDs coating. The devices with the dual functional GQDs layer present a splendid repeatability and stability. The rise time and the decay time of this device were measured to be 0.73 s and 0.88 s under the on/off switching UV LEDs, respectively. The electrochemical impedance spectroscopy (EIS) results prove the role of the GQDs layer as an effective blocking layer on the photoanode, hindering the charge carrier recombination at the photoanode/electrolyte interface. This study shows that application of the dual functional GQDs layer in the PEC UV photodetector based on TiO2 NTs is an effective approach for improving the responsivity and sensitivity of a self-powered PEC UV PD, which brought us the possibility of detecting low UV index radiation and using the self-powered photodetectors in cutting-edge wearable electronic devices for the aim of health, safety and environmental monitoring.
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Affiliation(s)
- Alireza Zare
- Faculty of Advanced Technologies, Shiraz University P.O. Box: 7194684560 Shiraz Iran
| | - Saeed Behaein
- Physics Department, School of Science, Shiraz University Shiraz Iran
| | - Mahmoud Moradi
- Physics Department, School of Science, Shiraz University Shiraz Iran
| | - Zahra Hosseini
- Faculty of Advanced Technologies, Shiraz University P.O. Box: 7194684560 Shiraz Iran
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37
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Compact SnO 2/Mesoporous TiO 2 Bilayer Electron Transport Layer for Perovskite Solar Cells Fabricated at Low Process Temperature. NANOMATERIALS 2022; 12:nano12040718. [PMID: 35215047 PMCID: PMC8875851 DOI: 10.3390/nano12040718] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 02/11/2022] [Accepted: 02/16/2022] [Indexed: 12/10/2022]
Abstract
Charge transport layers have been found to be crucial for high-performance perovskite solar cells (PSCs). SnO2 has been extensively investigated as an alternative material for the traditional TiO2 electron transport layer (ETL). The challenges facing the successful application of SnO2 ETLs are degradation during the high-temperature process and voltage loss due to the lower conduction band. To achieve highly efficient PSCs using a SnO2 ETL, low-temperature-processed mesoporous TiO2 (LT m-TiO2) was combined with compact SnO2 to construct a bilayer ETL. The use of LT m-TiO2 can prevent the degradation of SnO2 as well as enlarge the interfacial contacts between the light-absorbing layer and the ETL. SnO2/TiO2 bilayer-based PSCs showed much higher power conversion efficiency than single SnO2 ETL-based PSCs.
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38
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Wei H, Qiu P, Yu M, Song Y, Li Y, He Y, Peng M, Liu X, Zheng X. Interfacial carrier transport properties of a gallium nitride epilayer/quantum dot hybrid structure. RSC Adv 2022; 12:2276-2281. [PMID: 35425246 PMCID: PMC8979309 DOI: 10.1039/d1ra08680d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Accepted: 01/10/2022] [Indexed: 11/21/2022] Open
Abstract
Electron transport layers (ETLs) play a key role in the electron transport properties and photovoltaic performance of solar cells. Although the existing ETLs such as TiO2, ZnO and SnO2 have been widely used to fabricate high performance solar cells, they still suffer from several inherent drawbacks such as low electron mobility and poor chemical stability. Therefore, exploring other novel and effective electron transport materials is of great importance. Gallium nitride (GaN) as an emerging candidate with excellent optoelectronic properties attracts our attention, in particular its significantly higher electron mobility and similar conduction band position to TiO2. Here, we mainly focus on the investigation of interfacial carrier transport properties of a GaN epilayer/quantum dot hybrid structure. Benefiting from the quantum effects of QDs, suitable energy level arrangements have formed between the GaN and CdSe QDs. It is revealed that the GaN epilayer exhibits better electron extraction ability and faster interfacial electron transfer than the rutile TiO2 single crystal. Moreover, the corresponding electron transfer rates of 4.44 × 108 s−1 and 8.98 × 108 s−1 have been calculated, respectively. This work preliminarily shows the potential application of GaN in quantum dot solar cells (QDSCs). Carefully tailoring the structure and optoelectronic properties of GaN, in particular realizing the low-temperature deposition of high-quality GaN on various substrates, will significantly promote the construction of highly efficient GaN-ETL based QDSCs. A suitable energy level arrangement is formed between GaN and CdSe QDs, and the GaN epilayer exhibits better electron extraction ability and faster interfacial electron transfer than the rutile TiO2 single crystal.![]()
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Affiliation(s)
- Huiyun Wei
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 PR China .,School of Biomedical Engineering, School of Ophthalmology & Optometry, Wenzhou Medical University Wenzhou 325027 PR China .,Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences (Wenzhou Institute of Biomaterials & Engineering) Wenzhou 325027 PR China
| | - Peng Qiu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 PR China
| | - Meina Yu
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing Beijing 100083 PR China
| | - Yimeng Song
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 PR China
| | - Ye Li
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 PR China
| | - Yingfeng He
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 PR China
| | - Mingzeng Peng
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 PR China
| | - Xiaohu Liu
- School of Biomedical Engineering, School of Ophthalmology & Optometry, Wenzhou Medical University Wenzhou 325027 PR China .,Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences (Wenzhou Institute of Biomaterials & Engineering) Wenzhou 325027 PR China
| | - Xinhe Zheng
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 PR China
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39
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Neppl S, Mahl J, Roth F, Mercurio G, Zeng G, Toma FM, Huse N, Feulner P, Gessner O. Nanoscale Confinement of Photo-Injected Electrons at Hybrid Interfaces. J Phys Chem Lett 2021; 12:11951-11959. [PMID: 34881908 DOI: 10.1021/acs.jpclett.1c02648] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A prerequisite for advancing hybrid solar light harvesting systems is a comprehensive understanding of the spatiotemporal dynamics of photoinduced interfacial charge separation. Here, we demonstrate access to this transient charge redistribution for a model hybrid system of nanoporous zinc oxide (ZnO) and ruthenium bipyridyl chromophores. The site-selective probing of the molecular electron donor and semiconductor acceptor by time-resolved X-ray photoemission provides direct insight into the depth distribution of the photoinjected electrons and their interaction with the local band structure on a nanometer length scale. Our results show that these electrons remain localized within less than 6 nm from the interface, due to enhanced downward band bending by the photoinjected charge carriers. This spatial confinement suggests that light-induced charge generation and transport in nanoscale ZnO photocatalytic devices proceeds predominantly within the defect-rich surface region, which may lead to enhanced surface recombination and explain their lower performance compared to titanium dioxide (TiO2)-based systems.
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Affiliation(s)
- Stefan Neppl
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Johannes Mahl
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Physics Department, Universität Hamburg and Center for Free-Electron Laser Science, 22761 Hamburg, Germany
| | - Friedrich Roth
- Institute of Experimental Physics, TU Bergakademie Freiberg, 09599 Freiberg, Germany
| | - Giuseppe Mercurio
- Physics Department, Universität Hamburg and Center for Free-Electron Laser Science, 22761 Hamburg, Germany
| | - Guosong Zeng
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Liquid Sunlight Alliance, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Francesca M Toma
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Liquid Sunlight Alliance, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Nils Huse
- Physics Department, Universität Hamburg and Center for Free-Electron Laser Science, 22761 Hamburg, Germany
| | - Peter Feulner
- Physics Department, Technische Universität München, 85748 Garching, Germany
| | - Oliver Gessner
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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40
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Ye J, Xu J, Tian D, Zhao X, Wang Q, Wang J, Li Y, Zhao C, Liu Z, Fu Y. Efficient photocatalytic reduction of CO2 by a rhenium-doped TiO2-x/SnO2 inverse opal S-scheme heterostructure assisted by the slow-phonon effect. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119431] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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41
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Wang S, Sang H, Jiang Y, Wang Y, Xiong Y, Yu Y, He R, Chen B, Zhao X, Liu Y. Tailoring the Energy Band Structure and Interfacial Morphology of the ETL via Controllable Nanocluster Size Achieves High-Performance Planar Perovskite Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2021; 13:48555-48568. [PMID: 34617725 DOI: 10.1021/acsami.1c11990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Planar-type perovskite solar cells (p-PSCs) based on SnO2 have garnered further attention due to their simple and low-temperature fabrication. Improving the critical properties of the electron transport layer (ETL) is an effective way to enhance the performance of p-PSC devices. Here, a brand-new method is developed to relieve the contact recombination caused by the rough fluorine-doped tin oxide (FTO) surface and further boosts the electrical concentration of the ETL. A SnO2-ethylene diamine tetraacetic acid (EDTA) acylamide compound (SEAC) with hydrogen bond-induced adjustable cluster size is reported for the first time. The rational choice of the SEAC cluster size is the key for obtaining the smooth interfacial morphology of the ETL on the rugged FTO substrate. In addition, the energy band gap decreases with the increasing cluster size, and consequently, results in improved electrical conductivity of the SEAC. The upshifted Fermi energy level leads to higher electron concentration, which is an important physical quantity of the ETL. The PSC devices based on the optimized SEAC achieve an improved power conversion efficiency of 21.29% with negligible J-V hysteresis due to significantly enhanced electron transport and reduced contact charge recombination at the ETL/perovskite interface. In general, this paper comes up with a unique strategy to improve the quality of the SnO2-based ETL.
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Affiliation(s)
- Shaofu Wang
- School of Physics and Technology, Key Laboratory of Artificial Micro/Nano Structures, Ministry of Education, Wuhan University, Wuhan 430072, China
- Institute for Interdisciplinary Research (IIR), Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, Jianghan University, Wuhan 430056, China
| | - Hongqian Sang
- Institute for Interdisciplinary Research (IIR), Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, Jianghan University, Wuhan 430056, China
| | - Yun Jiang
- Institute for Interdisciplinary Research (IIR), Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, Jianghan University, Wuhan 430056, China
| | - Yuan Wang
- School of Physics and Technology, Key Laboratory of Artificial Micro/Nano Structures, Ministry of Education, Wuhan University, Wuhan 430072, China
| | - Yi Xiong
- School of Physics and Technology, Key Laboratory of Artificial Micro/Nano Structures, Ministry of Education, Wuhan University, Wuhan 430072, China
| | - Yanhua Yu
- Institute for Interdisciplinary Research (IIR), Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, Jianghan University, Wuhan 430056, China
| | - Rongxiang He
- Institute for Interdisciplinary Research (IIR), Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, Jianghan University, Wuhan 430056, China
| | - Bolei Chen
- Institute for Interdisciplinary Research (IIR), Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, Jianghan University, Wuhan 430056, China
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, Jianghan University, Wuhan 430056, China
| | - Xingzhong Zhao
- School of Physics and Technology, Key Laboratory of Artificial Micro/Nano Structures, Ministry of Education, Wuhan University, Wuhan 430072, China
| | - Yumin Liu
- Institute for Interdisciplinary Research (IIR), Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, Jianghan University, Wuhan 430056, China
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42
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He L, Guo Y, Kloo L. The dynamics of light-induced interfacial charge transfer of different dyes in dye-sensitized solar cells studied by ab initio molecular dynamics. Phys Chem Chem Phys 2021; 23:27171-27184. [PMID: 34635889 DOI: 10.1039/d1cp02412d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The charge-transport dynamics at the dye-TiO2 interface plays a vital role for the resulting power conversion efficiency (PCE) of dye sensitized solar cells (DSSCs). In this work, we have investigated the charge-exchange dynamics for a series of organic dyes, of different complexity, and a small model of the semiconductor substrate TiO2. The dyes studied involve L1, D35 and LEG4, all well-known organic dyes commonly used in DSSCs. The computational studies have been based on ab initio molecular dynamics (aiMD) simulations, from which structural snapshots have been collected. Estimates of the charge-transfer rate constants of the central exchange processes in the systems have been computed. All dyes show similar properties, and differences are mainly of quantitative character. The processes studied were the electron injection from the photoexcited dye, the hole transfer from TiO2 to the dye and the recombination loss from TiO2 to the dye. It is notable that the electronic coupling/transfer rates differ significantly between the snapshot configurations harvested from the aiMD simulations. The differences are significant and indicate that a single geometrically optimized conformation normally obtained from static quantum-chemistry calculations may provide arbitrary results. Both protonated and deprotonated dye systems were studied. The differences mainly appear in the rate constant of recombination loss between the protonated and the deprotonated dyes, where recombination losses take place at significantly higher rates. The inclusion of lithium ions close to the deprotonated dye carboxylate anchoring group mitigates recombination in a similar way as when protons are retained at the carboxylate group. This may give insight into the performance-enchancing effects of added salts of polarizing cations to the DSSC electrolyte. In addition, solvent effects can retard charge recombination by about two orders of magnitude, which demonstrates that the presence of a solvent will increase the lifetime of injected electrons and thus contribute to a higher PCE of DSSCs. It is also notable that no simple correlation can be identified between high/low transfer rate constants and specific structural arrangements in terms of atom-atom distances, angles or dihedral arrangements of dye sub-units.
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Affiliation(s)
- Lanlan He
- Department of Chemistry, Applied Physical Chemistry, KTH Royal Institute of Technology, Stockholm SE-10044, Sweden.
| | - Yu Guo
- Department of Chemistry, Applied Physical Chemistry, KTH Royal Institute of Technology, Stockholm SE-10044, Sweden.
| | - Lars Kloo
- Department of Chemistry, Applied Physical Chemistry, KTH Royal Institute of Technology, Stockholm SE-10044, Sweden.
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Zhao C, Li L, Jin L, Ge H, Ma J, Wang W. Efficient improvement of W05‐based dyes by inserting auxiliary electron acceptors for dye‐sensitized solar cells: A theoretical investigation. J PHYS ORG CHEM 2021. [DOI: 10.1002/poc.4290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Cai‐bin Zhao
- Shaanxi Key Laboratory of Catalysis, School of Chemical and Environmental Science Shaanxi University of Technology Hanzhong China
| | - Lin Li
- Shaanxi Key Laboratory of Catalysis, School of Chemical and Environmental Science Shaanxi University of Technology Hanzhong China
| | - Ling‐xia Jin
- Shaanxi Key Laboratory of Catalysis, School of Chemical and Environmental Science Shaanxi University of Technology Hanzhong China
| | - Hong‐guang Ge
- Shaanxi Key Laboratory of Catalysis, School of Chemical and Environmental Science Shaanxi University of Technology Hanzhong China
| | - Jian‐qi Ma
- Shaanxi Key Laboratory of Catalysis, School of Chemical and Environmental Science Shaanxi University of Technology Hanzhong China
| | - Wen‐liang Wang
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an China
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44
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Ullah W, Aziz T, Ullah B, Jamil MI, Das SK, Ullah R, Wazir N, Khan FU, Raheel M. Hybrid material for the fabrication of electron transport layer in perovskite solar cell. Polym Bull (Berl) 2021. [DOI: 10.1007/s00289-021-03904-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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45
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Wang KL, Zhou YH, Lou YH, Wang ZK. Perovskite indoor photovoltaics: opportunity and challenges. Chem Sci 2021; 12:11936-11954. [PMID: 34667561 PMCID: PMC8457370 DOI: 10.1039/d1sc03251h] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 08/04/2021] [Indexed: 01/05/2023] Open
Abstract
With the rapid development of the Internet of Things (IoTs), photovoltaics (PVs) has a vast market supply gap of billion dollars. Moreover, it also puts forward new requirements for the development of indoor photovoltaic devices (IPVs). In recent years, PVs represented by organic photovoltaic cells (OPVs), silicon solar cells, dye-sensitized solar cells (DSSCs), etc. considered for use in IoTs mechanisms have also been extensively investigated. However, there are few reports on the indoor applications of perovskite devices, even though it has the advantages of better performance. In fact, perovskite has the advantages of better bandgap adjustability, lower cost, and easier preparation of large-area on flexible substrates, compared with other types of IPVs. This review starts from the development status of IoTs and investigates the cost, technology, and future trends of IPVs. We believe that perovskite photovoltaics is more suitable for indoor applications and review some strategies for fabricating high-performance perovskite indoor photovoltaic devices (IPVs). Finally, we also put forward a perspective for the long-term development of perovskite IPVs.
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Affiliation(s)
- Kai-Li Wang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University Suzhou Jiangsu 215123 China
| | - Yu-Hang Zhou
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University Suzhou Jiangsu 215123 China
| | - Yan-Hui Lou
- College of Energy, Soochow Institute for Energy and Materials Innovations, Soochow University Suzhou 215006 China
| | - Zhao-Kui Wang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University Suzhou Jiangsu 215123 China
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46
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Wang P, Liu H, Zong Y, Wen H, Xia JB, Wu HB. Two-Dimensional In 2X 2X' (X and X' = S, Se, and Te) Monolayers with an Intrinsic Electric Field for High-Performance Photocatalytic and Piezoelectric Applications. ACS APPLIED MATERIALS & INTERFACES 2021; 13:34178-34187. [PMID: 34258989 DOI: 10.1021/acsami.1c07096] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Two-dimensional (2D) materials with excellent photocatalytic properties and unique piezoelectric response have attracted great attention. However, these characters are rare for traditional 2D structures. With an intrinsic electric field, the Janus 2D materials show great promise in photocatalytic and out-of-plane piezoelectric applications. Herein, we show that Janus In2X2X' (X and X' = S, Se, and Te) monolayers are desirable in the overall water splitting and piezoelectric devices. Comprehensive investigations reveal that the band gaps of these Janus monolayers are from 0.34 to 2.27 eV. With proper band edge positions, strong solar absorption, fast transfer and efficient separation of carriers, and high solar to hydrogen (STH) efficiencies (reaching 37.70%), eight members of them stand out. Besides, the electrons and holes have sufficient driving forces in the process of redox reaction. The piezoelectric response for in- and out-of-plane is superior for all monolayers. These compelling features make them suitable for photocatalysts, sensors, actuators, and energy conversion devices.
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Affiliation(s)
- Pan Wang
- State Key Laboratory of Superlattice and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hao Liu
- State Key Laboratory of Superlattice and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yixin Zong
- State Key Laboratory of Superlattice and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
| | - Hongyu Wen
- State Key Laboratory of Superlattice and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
| | - Jian-Bai Xia
- State Key Laboratory of Superlattice and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hai-Bin Wu
- State Key Laboratory of Superlattice and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
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Kong T, Wang R, Zheng D, Yu J. Modification of the SnO 2 Electron Transporting Layer by Using Perylene Diimide Derivative for Efficient Organic Solar Cells. Front Chem 2021; 9:703561. [PMID: 34249871 PMCID: PMC8267467 DOI: 10.3389/fchem.2021.703561] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 06/10/2021] [Indexed: 11/23/2022] Open
Abstract
Recently, tin oxide (SnO2) nanoparticles (NPs) have attracted considerable attention as the electron transporting layer (ETL) for organic solar cells (OSCs) due to their superior electrical properties, excellent chemical stability, and compatibility with low-temperature solution fabrication. However, the rough surface of SnO2 NPs may generate numerous defects, which limits the performance of the OSCs. In this study, we introduce a perylene diimide derivative (PDINO) that could passivate the defects between SnO2 NP ETL and the active layer. Compared with the power conversion efficiency (PCE) of the pristine SnO2 ETL–based OSCs (12.7%), the PDINO-modified device delivers a significantly increased PCE of 14.9%. Overall, this novel composite ETL exhibits lowered work function, improved electron mobility, and reduced surface defects, thus increasing charge collection efficiency and restraining defect-caused molecular recombination in the OSC. Overall, this work demonstrates a strategy of utilizing the organic–inorganic hybrid ETL that has the potential to overcome the drawbacks of SnO2 NPs, thereby developing efficient and stable OSCs.
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Affiliation(s)
- Tianyu Kong
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, China
| | - Rui Wang
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, China
| | - Ding Zheng
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, China
| | - Junsheng Yu
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, China
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48
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Pham HL, Nguyen VD, Nguyen VK, Le THP, Ta NB, Pham DC, Tran QT, Dang VT. Rational design of magnetically separable core/shell Fe 3O 4/ZnO heterostructures for enhanced visible-light photodegradation performance. RSC Adv 2021; 11:22317-22326. [PMID: 35480800 PMCID: PMC9034176 DOI: 10.1039/d1ra03468e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 06/12/2021] [Indexed: 11/28/2022] Open
Abstract
Magnetically separable core/shell Fe3O4/ZnO heteronanostructures (MSCSFZ) were synthesized by a facile approach, and their application for enhanced solar photodegradation of RhB was studied. The formation mechanism of MSCSFZ was proposed, in which Fe3O4 nanoparticles served as a template for supporting and anchoring the ZnO crystal layer as the shells. The morphology of MSCSFZ can be varied from spherical to rice seed-like structures, and the bandgap was able to be narrowed down to 2.78 eV by controlling the core–shell ratios. As a result, the MSCSFZ exhibited excellent visible-light photocatalytic activity for degradation of rhodamine B (RhB) in aqueous solution as compared to the controlled ZnO nanoparticles. Moreover, MSCSFZ could be easily detached from RhB solution and maintained its performance after 4 cycles of usage. This work provides new insights for the design of high-efficient core/shell recyclable photocatalysts with visible light photocatalytic performance. Magnetically separable core/shell Fe3O4/ZnO heteronanostructures (MSCSFZ) were synthesized by a facile approach, and their application for enhanced solar photodegradation of RhB was studied.![]()
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Affiliation(s)
- Hoai Linh Pham
- Institute of Materials Science, Vietnam Academy of Science and Technology Hanoi Vietnam.,Graduate University of Science and Technology, Vietnam Academy of Science and Technology Hanoi Vietnam
| | - Van Dang Nguyen
- Department of Physics and Technology, TNU-University of Sciences Thai Nguyen Vietnam
| | - Van Khien Nguyen
- Department of Physics and Technology, TNU-University of Sciences Thai Nguyen Vietnam
| | - Thi Hong Phong Le
- Institute of Materials Science, Vietnam Academy of Science and Technology Hanoi Vietnam
| | - Ngoc Bach Ta
- Institute of Materials Science, Vietnam Academy of Science and Technology Hanoi Vietnam
| | - Do Chung Pham
- Department of Physics, Hanoi National University of Education 136 Xuan Thuy Road, Cau Giay District Hanoi 100000 Vietnam
| | - Quoc Toan Tran
- Department of Chemistry, Thai Nguyen University of Education Vietnam
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49
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Yu H, Tan X, Sun S, Zhang L, Gao C, Ge S. Engineering paper-based visible light-responsive Sn-self doped domed SnO 2 nanotubes for ultrasensitive photoelectrochemical sensor. Biosens Bioelectron 2021; 185:113250. [PMID: 33915433 DOI: 10.1016/j.bios.2021.113250] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 04/07/2021] [Accepted: 04/10/2021] [Indexed: 10/21/2022]
Abstract
Exploring novel photoactive materials with high photoelectric conversion efficiency plays a crucial role in enhancing the analytical performance of paper-based photoelectrochemical (PEC) biosensor. SnO2, which possesses higher photostability and electron mobility, can be regarded as a promising photoactive material. Herein, paper-based one dimensional (1D) domed SnO2 nanotubes (NTs) have been developed with the template-consumption strategy. What's more, their growth mechanism has also been proposed based on the controllable experiments. At first, the paper-based 1D ZnO nanorods (NRs) as the typical amphoteric oxide are prepared and serve as the sacrifice templates which can be etched by the generated alkaline environment during the formation of SnO2. At a certain stage, all the ZnO NRs can be completely etched by controlling the experimental conditions, resulting in the forming of vertically distributed hollow SnO2 NTs. Furthermore, the Sn self-doping strategy is also proposed to suppress the recombination of charge carriers and broaden the light response range by introducing the impurity energy levels. Profiting from such doping strategy, the prominent photocurrent signal is obtained compared with pure paper-based SnO2 NTs. Ultimately, an innovative visible light responsive paper-based Sn-doping SnO2-x NTs are developed and employed as the photoelectrode for the PEC biosensor using the alpha fetoprotein (AFP) as the model analyte. Under the optimal conditions, the ultrasensitive AFP sensing is realized with the linear range and detection limitation of 10 pg mL-1 to 200 ng mL-1 and 3.84 pg mL-1, respectively. This work provides a judiciously strategy for developing novel photoactive materials for paper-based PEC bioanalysis.
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Affiliation(s)
- Haihan Yu
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Xiaoran Tan
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Shubo Sun
- Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Lina Zhang
- Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Chaomin Gao
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, Shandong, 250022, PR China.
| | - Shenguang Ge
- Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan, 250022, PR China.
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50
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Shape-Controlled TiO 2 Nanomaterials-Based Hybrid Solid-State Electrolytes for Solar Energy Conversion with a Mesoporous Carbon Electrocatalyst. NANOMATERIALS 2021; 11:nano11040913. [PMID: 33916761 PMCID: PMC8066460 DOI: 10.3390/nano11040913] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 03/23/2021] [Accepted: 03/31/2021] [Indexed: 11/17/2022]
Abstract
One-dimensional (1D) titanium dioxide (TiO2) is prepared by hydrothermal method and incorporated as nanofiller into a hybrid polymer matrix of polyethylene glycol (PEG) and employed as a solid-electrolyte in dye-sensitized solar cells (DSSCs). Mesoporous carbon electrocatalyst with a high surface area is obtained by the carbonization of the PVDC-g-POEM double comb copolymer. The 1D TiO2 nanofiller is found to increase the photoelectrochemical performance. As a result, for the mesoporous carbon-based DSSCs, 1D TiO2 hybrid solid-state electrolyte yielded the highest efficiencies, with 6.1% under 1 sun illumination, in comparison with the efficiencies of 3.9% for quasi solid-state electrolyte and 4.8% for commercial TiO2 hybrid solid-state electrolyte, respectively. The excellent photovoltaic performance is attributed to the improved ion diffusion, scattering effect, effective path for redox couple transfer, and sufficient penetration of 1D TiO2 hybrid solid-state electrolyte into the electrode, which results in improved light-harvesting, enhanced electron transport, decreased charge recombination, and decreased resistance at the electrode/electrolyte interface.
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