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Chang X, Tang H, Xie Z, Li Z, Li D, Wang H, Zhu X, Zhu T. Imidazole-Based Ionic Liquid Engineering for Perovskite Solar Cells with High Efficiency and Excellent Stability. ACS APPLIED MATERIALS & INTERFACES 2024; 16:33917-33927. [PMID: 38961575 DOI: 10.1021/acsami.4c05923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/05/2024]
Abstract
Despite the remarkable progress of perovskite solar cells (PSCs), the substantial inherent defects within perovskites restrict the achievement of higher efficiency and better long-term stability. Herein, we introduced a novel multifunctional imidazole analogue, namely, 1-benzyl-3-methylimidazolium bromide (BzMIMBr), into perovskite precursors to reduce bulk defects and inhibit ion migration in inverted PSCs. The electron-rich environment of -N- in the BzMIMBr structure, which is attributed to the electron-rich adjacent benzene ring-conjugated structure, effectively passivates the uncoordinated Pb2+ cations. Moreover, the interaction between the BzMIMBr additive and perovskite can effectively hinder the deprotonation of formamidinium iodide/methylammonium iodide (FAI/MAI), extending the crystallization time and improving the quality of the perovskite precursors and films. This interaction also effectively inhibits ion migration to subsequent deposited films, leading to a noteworthy decrease in trap states. Various characterization studies show that the BzMIMBr-doped films exhibit superior film morphology and surface uniformity and reduced nonradiative carrier recombination, consequently enhancing crystallinity by reducing bulk/surface defects. The PSCs fabricated on the BzMIMBr-doped perovskite thin film exhibit a power conversion efficiency of 23.37%, surpassing that of the pristine perovskite device (20.71%). Additionally, the added BzMIMBr substantially increased the hydrophobicity of perovskite, as unencapsulated devices still retained 93% of the initial efficiency after 1800 h of exposure to air (45% relative humidity).
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Affiliation(s)
- Xiong Chang
- Faculty of Metallurgical and Energy Engineering Kunming University of Science and Technology, Kunming 650093, P. R. China
| | - Haorui Tang
- Faculty of Metallurgical and Energy Engineering Kunming University of Science and Technology, Kunming 650093, P. R. China
| | - Zhewen Xie
- Faculty of Metallurgical and Energy Engineering Kunming University of Science and Technology, Kunming 650093, P. R. China
| | - Zhishan Li
- Faculty of Metallurgical and Energy Engineering Kunming University of Science and Technology, Kunming 650093, P. R. China
| | - Dongfang Li
- Faculty of Metallurgical and Energy Engineering Kunming University of Science and Technology, Kunming 650093, P. R. China
| | - Hua Wang
- Faculty of Metallurgical and Energy Engineering Kunming University of Science and Technology, Kunming 650093, P. R. China
| | - Xing Zhu
- Faculty of Metallurgical and Energy Engineering Kunming University of Science and Technology, Kunming 650093, P. R. China
| | - Tao Zhu
- Faculty of Metallurgical and Energy Engineering Kunming University of Science and Technology, Kunming 650093, P. R. China
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Wang H, Cheng Y, Zhu J, Zhang L. Photon Management Enabled by Opal and Inverse Opal Photonic Crystals: from Photocatalysis to Photoluminescence Regulation. Chempluschem 2024; 89:e202400002. [PMID: 38527947 DOI: 10.1002/cplu.202400002] [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: 01/01/2024] [Revised: 03/24/2024] [Accepted: 03/25/2024] [Indexed: 03/27/2024]
Abstract
Light is a promising renewable energy source and can be converted into heat, electricity, and chemical energy. However, the efficiency of light-energy conversion is largely hindered by limited light-absorption coefficients and the low quantum yield of current-generation materials. Photonic crystals (PCs) can adjust the propagation and distribution of photons because of their unique periodic structures, which offers a compelling platform for photon management. The periodicity of materials with an alternating refractive index can be used to manipulate the dispersion of photons to generate the photonic bandgap (PBG), in which light is reflected. The slow photon effect, i. e., photon propagation at a reduced group velocity near the edges of the PBG, is widely regarded as another valuable optical property for manipulating light. Furthermore, multiple light scattering can increase the optical path, which is a vital optical property for PCs. Recently, the light reflected by PBG, the slow photon effect, and multiple light scattering have been exploited to improve light utilization efficiency in photoelectrochemistry, materials chemistry, and biomedicine to enhance light-energy conversion efficiency. In this review, the fabrication of opal or inverse opal PCs and the theory for improving the light utilization efficiency of photocatalysis, solar cells, and photoluminescence regulation are discussed. We envision photon management of opal or inverse opal PCs may provide a promising avenue for light-assisted applications to improve light-energy-conversion efficiency.
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Affiliation(s)
- Hui Wang
- Key Lab of Material Chemistry for Energy Conversion &, Storage of Ministry of Education (HUST), School of Chemistry & Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Yiyan Cheng
- Key Lab of Material Chemistry for Energy Conversion &, Storage of Ministry of Education (HUST), School of Chemistry & Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Jintao Zhu
- Key Lab of Material Chemistry for Energy Conversion &, Storage of Ministry of Education (HUST), School of Chemistry & Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Lianbin Zhang
- Key Lab of Material Chemistry for Energy Conversion &, Storage of Ministry of Education (HUST), School of Chemistry & Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
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Shen L, Wu H, Cao Z, Zhang X, Liu L, Sawwan H, Zhu T, Zheng J, Wang H, Gong X. Two-Dimensional Metal Halide Perovskites Created by Binary Conjugated Organic Cations for High-Performance Perovskite Photovoltaics. ACS APPLIED MATERIALS & INTERFACES 2024; 16:19318-19329. [PMID: 38577894 DOI: 10.1021/acsami.4c00288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
Studies indicated that two-dimensional (2D) metal halide perovskites (MHPs) embodied with three-dimensional (3D) MHPs were a facile way to realize efficient and stable perovskite solar cells (PSCs) and perovskite photodetectors (PPDs). Here, high-performance PSCs and PPDs, which are based on 2D/3D MHPs bilayer thin films, where the 2D MHPs are created by binary conjugated organic cations, are reported. Systemically studies reveal that the above novel 2D/3D MHPs bilayer thin films possess an enlarged crystal size, balanced charge transport, reduced charge carrier recombination, smaller charge-transfer resistance, and accelerated charge-extraction process compared to the 2D/3D MHPs bilayer thin films, where the 2D MHPs are created by a single conjugated organic cation. As a result, the PSCs based on the above novel 2D/3D MHPs bilayer thin film exhibit a power conversion efficiency of 22.76%. Moreover, unencapsulated PSCs possess dramatically enhanced stability compared with those based on the 2D/3D MHPs bilayer thin films, where the 2D MHPs are created by a single conjugated organic cation. In addition, the PPDs based on the above novel 2D/3D MHPs bilayer thin film exhibit a projected detectivity of 1016 cm Hz1/2/W and a linear dynamic range of 108 dB at room temperature. Our studies indicate that the development of binary conjugated organic cation-based 2D MHPs incorporated with 3D MHPs is a simple method to realize high-performance PSCs and PPDs.
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Affiliation(s)
- Lening Shen
- School of Polymer Science and Polymer Engineering, College of Engineering and Polymer Science, The University of Akron, Akron, Ohio 44325, United States
| | - Haodong Wu
- School of Polymer Science and Polymer Engineering, College of Engineering and Polymer Science, The University of Akron, Akron, Ohio 44325, United States
| | - Zikun Cao
- Department of Physics, University of Miami, Coral Gables ,Florida33146, United States
| | - Xiyao Zhang
- School of Polymer Science and Polymer Engineering, College of Engineering and Polymer Science, The University of Akron, Akron, Ohio 44325, United States
| | - Lei Liu
- School of Polymer Science and Polymer Engineering, College of Engineering and Polymer Science, The University of Akron, Akron, Ohio 44325, United States
| | - Hussain Sawwan
- School of Polymer Science and Polymer Engineering, College of Engineering and Polymer Science, The University of Akron, Akron, Ohio 44325, United States
| | - Tao Zhu
- School of Polymer Science and Polymer Engineering, College of Engineering and Polymer Science, The University of Akron, Akron, Ohio 44325, United States
| | - Jie Zheng
- Department of Chemical, Biomolecular and Corrosion Engineering, College of Engineering and Polymer Science, The University of Akron, Akron, Ohio 44325, United States
| | - He Wang
- Department of Physics, University of Miami, Coral Gables ,Florida33146, United States
| | - Xiong Gong
- School of Polymer Science and Polymer Engineering, College of Engineering and Polymer Science, The University of Akron, Akron, Ohio 44325, United States
- Department of Chemical, Biomolecular and Corrosion Engineering, College of Engineering and Polymer Science, The University of Akron, Akron, Ohio 44325, United States
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Machín A, Márquez F. Advancements in Photovoltaic Cell Materials: Silicon, Organic, and Perovskite Solar Cells. MATERIALS (BASEL, SWITZERLAND) 2024; 17:1165. [PMID: 38473635 DOI: 10.3390/ma17051165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 02/26/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024]
Abstract
The evolution of photovoltaic cells is intrinsically linked to advancements in the materials from which they are fabricated. This review paper provides an in-depth analysis of the latest developments in silicon-based, organic, and perovskite solar cells, which are at the forefront of photovoltaic research. We scrutinize the unique characteristics, advantages, and limitations of each material class, emphasizing their contributions to efficiency, stability, and commercial viability. Silicon-based cells are explored for their enduring relevance and recent innovations in crystalline structures. Organic photovoltaic cells are examined for their flexibility and potential for low-cost production, while perovskites are highlighted for their remarkable efficiency gains and ease of fabrication. The paper also addresses the challenges of material stability, scalability, and environmental impact, offering a balanced perspective on the current state and future potential of these material technologies.
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Affiliation(s)
- Abniel Machín
- Environmental Catalysis Research Laboratory, Division of Natural Sciences and Technology, Universidad Ana G. Méndez-Cupey Campus, San Juan, PR 00926, USA
| | - Francisco Márquez
- Nanomaterials Research Group, Department of Natural Sciences and Technology, Universidad Ana G. Méndez-Gurabo Campus, Gurabo, PR 00778, USA
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Xiong Y, Xu X, Chen B, Xu X. Highly Crystalized MAPbX 3 Perovskite Triangular Nanowire Arrays for Optoelectronic Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2310427. [PMID: 38012003 DOI: 10.1002/adma.202310427] [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: 10/08/2023] [Revised: 11/16/2023] [Indexed: 11/29/2023]
Abstract
Here, a facile fabrication approach for the high-quality 1D perovskite triangular nanowire (TNW) array synthesis through space-confined effect is reported. A soft stamp containing 1D triangular linear array pattern is used to confine the MAPbX3 solution and to guide the growth of the nanowires along the prescribed direction with good crystallinity. The further constructed photodetectors based on the obtained MAPbI3 TNWs exhibit superior photoresponse properties with a responsivity of (125.2 ± 2.5) A W-1 and detectivity of (2.8 ± 0.8) × 1013 Jones at the wavelength of 650 nm. This excellent performance is attributed to the highly crystalline TNW with optical anisotropy and a small asymptotic height, which reduces the probability of the photon reflection and promotes the carrier transport. More interestingly, the increased surface area of the triangular device can present superior flexibility after a couple of thousands of bending cycles. Furthermore, by fabricating 7 × 7 photodetector arrays, the potential image sensor application is demonstrated. The perovskite nanowire fabrication approach is scalable and compatible with current semiconductor manufacturing, which indicates their great potential in broad applications.
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Affiliation(s)
- Yuting Xiong
- Key Laboratory of D&A for Metal-Functional Materials, Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, School of Materials Science & Engineering, Tongji University, Shanghai, 201804, China
| | - Xiuzhen Xu
- Key Laboratory of D&A for Metal-Functional Materials, Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, School of Materials Science & Engineering, Tongji University, Shanghai, 201804, China
| | - Bo Chen
- Key Laboratory of D&A for Metal-Functional Materials, Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, School of Materials Science & Engineering, Tongji University, Shanghai, 201804, China
| | - Xiaobin Xu
- Key Laboratory of D&A for Metal-Functional Materials, Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, School of Materials Science & Engineering, Tongji University, Shanghai, 201804, China
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Aftab S, Liu H, Vikraman D, Hussain S, Kang J, Al-Kahtani AA. Metal oxide-embedded carbon-based materials for polymer solar cells and X-ray detectors. NANOSCALE 2024; 16:765-776. [PMID: 38088682 DOI: 10.1039/d3nr05143a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2024]
Abstract
This study examines the effects of hybrid nanoparticles made of NiO@rGO (reduced graphene oxide) and NiO@CNT (carbon nanotubes) on PCDTBT and PCBM active layers in glass/ITO/HTL/active-layer/LiF/Al structured bulk heterojunction (BHJ) polymer solar cells (PSCs) and X-ray photodetectors. These hybrid nanoparticles were used to create BHJ solar cells and photodetectors, and microscopic research was conducted to determine how they affect the structure of the devices. The findings show that compared to conventional matrices, the active layers with NiO@rGO and NiO@CNT incorporation have increased the charge carrier capacities and exciton dissociation properties. In order to assess their impact on the characteristics of charge transport, various weight ratios of these hybrid nanoparticles dispersed in polymer junctions are being investigated. Notably, compared to the pure PCDTBT:PCBM active layer (power conversion efficiency (PCE) = 4.35%), the NiO@CNT device has the highest PCE = 6.42% which, among the tested configurations, demonstrates its superior performance in converting sunlight into electricity. Among the tested X-ray detector materials, "NiO@CNT" achieves the best performance with a sensitivity of 1.92 mA Gy-1 cm-2. Through improved interfacial behaviors and effective charge transport, this work highlights the potential of these cutting-edge hybrid nanoparticles to enhance the performance of organic electronic devices.
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Affiliation(s)
- Sikandar Aftab
- Department of Intelligent Mechatronics Engineering, Sejong University, Seoul 05006, South Korea.
| | - Hailiang Liu
- Department of Electronics and Electrical Engineering, Dankook University, Yongin 16890, Korea
| | - Dhanasekaran Vikraman
- Division of Electronics and Electrical Engineering, Dongguk University-Seoul, Seoul 04620, Korea
| | - Sajjad Hussain
- Department of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul, South Korea
| | - Jungwon Kang
- Department of Electronics and Electrical Engineering, Dankook University, Yongin 16890, Korea
| | - Abdullah A Al-Kahtani
- Chemistry Department, Collage of Science, King Saud University, P. O. Box 2455, Riyadh, 11451, Saudi Arabia
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Yang H, Peng M, Yi W, Jiang H, Cheng GJ. Oriented Perovskite Film from Laser Recrystallization in Magnetic Field. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2303635. [PMID: 37473433 DOI: 10.1002/adma.202303635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 07/11/2023] [Accepted: 07/17/2023] [Indexed: 07/22/2023]
Abstract
The orientation of crystals on the substrate and the presence of defects are critical factors in electro-optic performance. However, technical approaches to guide the orientational crystallization of electro-optical thin films remain challenging. Here, a novel physical method called magnetic-field-assisted pulse laser annealing (MAPLA) for controlling the orientation of perovskite crystals on substrates is reported. By inducing laser recrystallization of perovskite crystals under a magnetic field and with magnetic nanoparticles, the optical and magnetic fields are found to guide the orientational gathering of perovskite units into nanoclusters, resulting in perovskite crystals with preferred lattice orientation in (110) and (220) perpendicular to the substrate. The perovskite crystals obtained by MAPLA exhibit significantly larger grain size and fewer defects compared to those from pulsed laser annealing (PLA) and traditional thermal annealing, resulting in improved carrier lifetime and mobility. Furthermore, MAPLA demonstrates enhanced device performance, increasing responsivity and detectivity by two times, and photocurrent by nearly three orders compared with PLA. The introduction of Fe2 O3 nanoparticles during MAPLA not only improves crystal size and orientation but also significantly enhances long-term stability by preventing Pb2+ reduction. The MAPLA method has great potential for fabricating many electro-optical thin films with desired device properties and stability.
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Affiliation(s)
- Huanrui Yang
- The Institute of Technological Sciences, Wuhan University, Wuhan, 430072, China
| | - Ming Peng
- The Institute of Technological Sciences, Wuhan University, Wuhan, 430072, China
| | - Wendi Yi
- The Institute of Technological Sciences, Wuhan University, Wuhan, 430072, China
| | - Haoqing Jiang
- Institute of Laser Manufacturing, Henan Academy of Sciences, Zhengzhou, Henan, 450046, China
| | - Gary J Cheng
- School of Industrial Engineering, Purdue University, West Lafayette, IN, 47907, USA
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Yi Z, Zhang H, Jiang M, Wang J. Editorial for the Special Issue on Advances in Optoelectronic Devices. MICROMACHINES 2023; 14:652. [PMID: 36985059 PMCID: PMC10059590 DOI: 10.3390/mi14030652] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 03/11/2023] [Indexed: 06/18/2023]
Abstract
Optoelectronic devices are fabricated based on an optoelectronic conversion effect, which is a developing research field of modern optoelectronic technology and microelectronics technology [...].
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Affiliation(s)
- Zichuan Yi
- School of Electronic Information, University of Electronic Science and Technology of China, Zhongshan Institute, Zhongshan 528402, China
| | - Hu Zhang
- School of Electronic Information, University of Electronic Science and Technology of China, Zhongshan Institute, Zhongshan 528402, China
- School of Electronic Science and Engineering (National Exemplary School of Microelectronics), University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Mouhua Jiang
- School of Electronic Information, University of Electronic Science and Technology of China, Zhongshan Institute, Zhongshan 528402, China
| | - Jiashuai Wang
- School of Electronic Information, University of Electronic Science and Technology of China, Zhongshan Institute, Zhongshan 528402, China
- School of Electronic Science and Engineering (National Exemplary School of Microelectronics), University of Electronic Science and Technology of China, Chengdu 611731, China
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Yang Q, Liu R, Pan Y, Cao Z, Zuo J, Qiu F, Yu J, Song H, Ye Z, Zhang S. Ultrahigh-Loaded Fe Single Atoms and Fe 3C Nanoparticle Catalysts as Air Cathodes for High-Performance Zn-Air Batteries. ACS APPLIED MATERIALS & INTERFACES 2023; 15:5720-5731. [PMID: 36662519 DOI: 10.1021/acsami.2c21751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Fe-based materials containing Fe-Nx sites have emerged as promising electrocatalysts in the oxygen reduction reaction (ORR), but they still suffer structural instability which may lead to loss of catalytic activity. Herein, a novel electrocatalyst Fe3C-FeSA@3DCN with the coexistence of Fe3C nanoparticles and Fe single atoms (FeSA) in a three-dimensional conductive network (3DCN) is prepared via lattice confinement and defect trapping strategies with an Fe atomic loading of as high as 4.36%. In the ORR process, the limiting current density of Fe3C-FeSA@3DCN reaches 5.72 mA cm-2, with an onset potential of 0.926 V and a Tafel slope of 66 mV/decade, showing better catalytic activity and stability than Pt/C catalysts. Notably, its assembled aqueous and solid-state Zn-air batteries (ZABs) achieve peak power densities of 166 and 56 mW cm-2, respectively, with a long service life of up to 200 h at a current density of 5 mA cm-2. In addition, the assembled ZAB can provide a constant voltage on activated carbon electrodes to perform capacitive deionization to adsorb different ions. The importance of the Fe species active sites generated by Fe3C and FeSA in the material for ORR activity to boost the electron transfer and mass transfer is demonstrated by a simple selective poisoning experiment.
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Affiliation(s)
- Qi Yang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China
| | - Rumeng Liu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China
| | - Yanan Pan
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China
| | - Zheng Cao
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China
| | - Jiabao Zuo
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China
| | - Fan Qiu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China
| | - Jian Yu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China
| | - Haiou Song
- School of Environment, Nanjing Normal University, Nanjing 210097, PR China
| | - Zhiwen Ye
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China
| | - Shupeng Zhang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China
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Optoelectronic Enhancement of Perovskite Solar Cells through the Incorporation of Plasmonic Particles. MICROMACHINES 2022; 13:mi13070999. [PMID: 35888816 PMCID: PMC9323966 DOI: 10.3390/mi13070999] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 06/22/2022] [Accepted: 06/23/2022] [Indexed: 02/01/2023]
Abstract
The optoelectronic advantages of anchoring plasmonic silver and copper particles and non-plasmonic titanium particles onto zinc oxide (ZnO) nanoflower (NF) scaffolds for the fabrication of perovskite solar cells (PSCs) are addressed in this article. The metallic particles were sputter-deposited as a function of sputtering time to vary their size on solution-grown ZnO NFs on which methylammonium lead iodide perovskite was crystallized in a controlled environment. Optical absorption measurements showed impressive improvements in the light-harvesting efficiency (LHE) of the devices using silver nanoparticles and some concentrations of copper, whereas the LHE was relatively lower in devices used titanium than in a control device without any metallic particles. Fully functional PSCs were fabricated using the plasmonic and non-plasmonic metallic film-decorated ZnO NFs. Several fold enhancements in photoconversion efficiency were achieved in the silver-containing devices compared with the control device, which was accompanied by an increase in the photocurrent density, photovoltage, and fill factor. To understand the plasmonic effects in the photoanode, the LHE, photo-current density, photovoltage, photoluminescence, incident photon-to-current conversion efficiency, and electrochemical impedance properties were thoroughly investigated. This research showcases the efficacy of the addition of plasmonic particles onto photo anodes, which leads to improved light scattering, better charge separation, and reduced electron–hole recombination rate.
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Yin Z, Lu B, Chen Y, Guo C. Advances of Commercial and Biological Materials for Electron Transport Layers in Biological Applications. Front Bioeng Biotechnol 2022; 10:900269. [PMID: 35711642 PMCID: PMC9194854 DOI: 10.3389/fbioe.2022.900269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 05/18/2022] [Indexed: 11/13/2022] Open
Abstract
Electron transport layer (ETL), one of the important layers for high-performing perovskite solar cells (PSCs), also has great potential in bioengineering applications. It could be used for biological sensors, biological imaging, and biomedical treatments with high resolution or efficiency. Seldom research focused on the development of biological material for ETL and their application in biological uses. This review will introduce commercial and biological materials used in ETL to help readers understand the working mechanism of ETL. And the ways to prepare ETL at low temperatures will also be introduced to improve the performance of ETL. Then this review summarizes the latest research on material doping, material modification, and bilayer ETL structures to improve the electronic transmission capacity of ETLs. Finally, the application of ETLs in bioengineering will be also shown to demonstrate that ETLs and their used material have a high potential for biological applications.
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Affiliation(s)
- Zhifu Yin
- School of Mechanical and Aerospace Engineering, Jilin University, Changchun, China
- The State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing, China
| | - Biao Lu
- School of Mechanical and Aerospace Engineering, Jilin University, Changchun, China
| | - Yanbo Chen
- The State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing, China
| | - Caixia Guo
- Presidents’ Office of China-Japan Union Hospital of Jilin University, Jilin University, Changchun, China
- *Correspondence: Caixia Guo,
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Shen L, Yang Y, Zhu T, Liu L, Zheng J, Gong X. Efficient and Stable Perovskite Solar Cells by B-Site Compositional Engineered All-Inorganic Perovskites and Interface Passivation. ACS APPLIED MATERIALS & INTERFACES 2022; 14:19469-19479. [PMID: 35465651 DOI: 10.1021/acsami.2c02023] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Perovskite solar cells (PSCs) have emerged as a cost-effective solar technology in the past years. PSCs by three-dimensional hybrid inorganic-organic perovskites exhibited decent power conversion efficiencies (PCEs); however, their stabilities were poor. On the other hand, PSCs by all-inorganic perovskites indeed exhibited good stability, but their PCEs were low. Here, the development of novel all-inorganic perovskites CsPbI2Br:xNd3+, where Pb2+ at the B-site is partially heterovalently substituted by Nd3+, is reported. The CsPbI2Br:xNd3+ thin films possess enlarged crystal sizes, enhanced charge carrier mobilities, and superior crystallinity. Thus, the PSCs by the CsPbI2Br:xNd3+ thin films exhibit more than 20% enhanced PCEs and dramatically boosted stability compared to those based on pristine CsPbI2Br thin films. To further boost the device performance of PSCs, solution-processed 4-lithium styrenesulfonic acid/styrene copolymer (LiSPS) is utilized to passivate the surface defect and suppress surface charge carrier recombination. The PSCs based on the CsPbI2Br:xNd3+/LiSPS bilayer thin film possess reduced charge extraction lifetime and suppressed charge carrier recombination, resulting in 14% enhanced PCEs and significantly boosted stability compared to those without incorporation of the LiSPS interface passivation layer. All these results indicate that we developed a facile way to approach high-performance PSCs by all-inorganic perovskites.
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Zhu T, Shen L, Zhang D, Zheng J, Gong X. Solution-Processed Ternary Perovskite-Organic Broadband Photodetectors with Ultrahigh Detectivity. ACS APPLIED MATERIALS & INTERFACES 2022; 14:18744-18750. [PMID: 35420415 DOI: 10.1021/acsami.2c00858] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Room temperature operated, solution-processed ultrasensitive broadband photodetectors are widely used in various industrial companies in the scientific and medical sectors. Herein, we report solution-processed ultrahigh detectivity broadband photodetectors based on the ternary perovskite-organic composites. To ensure the photodetector based on perovskites has a photoresponse from the ultraviolet-visible to the near-infrared (NIR) region, low optical gap n-type conjugated organic molecules are incorporated with the three-dimensional (3D) perovskites mixed with the two-dimensional (2D) perovskites to form the ternary perovskite-organic composites, which possess an extended spectral response up to the NIR region and superior film characteristics compared to the 2D-3D mixed perovskite composites. Moreover, the photodetectors based on the ternary perovskite-organic composites exhibit enhanced photocurrent and suppressed dark current compared to those based on the 2D/3D mixed perovskite composites. As a result, at room temperature, the photodetectors based on the ternary perovskite-organic composites exhibit a spectral response from 375 to 1000 nm, whereas the photodetectors based on the 2D-3D mixed perovskite composites exhibit a spectral response from 375 to 800 nm. Furthermore, the photodetectors based on the ternary perovskite-organic composites have a photodetectivity over 1015 cm Hz1/2 W-1 (Jones) in the ultraviolet-visible region and over 1013 Jones in the NIR region, a linear dynamic range over 110 dB, and a fast response time. All these results demonstrate that we developed a facile way to realize uncooled solution-processed ultrahigh detectivity broadband photodetectors based on the ternary perovskite-organic composites.
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