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Li Q, Zhang T, Cui D, Li F. g-C 3N 4@TiO 2 photoanodes for high-efficiency QDSSCs: improved electron transfer and photochemical stability. Dalton Trans 2024; 53:7742-7750. [PMID: 38646815 DOI: 10.1039/d4dt00621f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/23/2024]
Abstract
In QDSSCs, a photoanode is an important part of connecting the external circuit, providing support for the transmission of photogenerated carriers to the external circuit, and also providing an attachment site for QDs. In this study, we prepared a g-C3N4@TiO2 composite for the photoanode by a two-step process. The results show that the use of g-C3N4@TiO2 greatly increases the specific surface area of the material, effectively inhibits the "electron-hole" recombination, and optimizes the stability and catalytic performance of the photoanode. Among them, the cell equipped with the g-C3N4@TiO2 photoanode has improved performance: Jsc = 26.5 mA cm-2, PCE = 8.2%, Voc = 0.62 eV, and FF = 0.50. Based on the research in this paper, it can be seen that the g-C3N4@TiO2 composite applied to the photoanode can effectively improve the cell performance and provide a feasible idea for optimizing QDSSCs.
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Affiliation(s)
- Quanhang Li
- Key Laboratory of Polyoxometalate Science and Reticular Material Chemistry of Ministry of Education, College of Chemistry, Northeast Normal University, Changchun 130024, P. R. China.
| | - Tingting Zhang
- Key Laboratory of Polyoxometalate Science and Reticular Material Chemistry of Ministry of Education, College of Chemistry, Northeast Normal University, Changchun 130024, P. R. China.
| | - Donghui Cui
- Key Laboratory of Polyoxometalate Science and Reticular Material Chemistry of Ministry of Education, College of Chemistry, Northeast Normal University, Changchun 130024, P. R. China.
| | - Fengyan Li
- Key Laboratory of Polyoxometalate Science and Reticular Material Chemistry of Ministry of Education, College of Chemistry, Northeast Normal University, Changchun 130024, P. R. China.
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Eskandari V, Sahbafar H, Zeinalizad L, Sabzian F, Abbas MH, Hadi A. A Surface-Enhanced Raman Scattering (SERS) Biosensor Fabricated Using the Electrodeposition Method for Ultrasensitive Detection of Amino Acid Histidine. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Yang J, Ma Y, Yang J, Liu W, Li X. Recent Advances in g-C 3N 4 for the Application of Perovskite Solar Cells. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3625. [PMID: 36296815 PMCID: PMC9610798 DOI: 10.3390/nano12203625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/10/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
In this study, graphitic carbon nitride (g-C3N4) was extensively utilized as an electron transport layer or interfacial buffer layer for simultaneously realizing photoelectric performance and stability improvement of perovskite solar cells (PSCs). This review covers the different g-C3N4 nanostructures used as additive and surface modifier layers applied to PSCs. In addition, the mechanism of reducing the defect state in PSCs, including improving the crystalline quality of perovskite, passivating the grain boundaries, and tuning the energy level alignment, were also highlighted in this review. Currently, the power conversion efficiency of PSCs based on modified g-C3N4 has been increased up to 22.13%, and its unique two-dimensional (2D) package structure has enhanced the stability of PSCs, which can remain stable in the dark for over 1500 h. Finally, the potential challenges and perspectives of g-C3N4 incorporated into perovskite-based optoelectronic devices are also included in this review.
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Affiliation(s)
- Jian Yang
- New Energy Technology Engineering Laboratory of Jiangsu Province, Institute of Advanced Materials, School of Science, Nanjing University of Posts and Telecommunications (NJUPT), Nanjing 210023, China
- Department of Mathematics and Physics, Nanjing Institute of Technology, Nanjing 211167, China
| | - Yuhui Ma
- Department of Mathematics and Physics, Nanjing Institute of Technology, Nanjing 211167, China
| | - Jianping Yang
- New Energy Technology Engineering Laboratory of Jiangsu Province, Institute of Advanced Materials, School of Science, Nanjing University of Posts and Telecommunications (NJUPT), Nanjing 210023, China
| | - Wei Liu
- New Energy Technology Engineering Laboratory of Jiangsu Province, Institute of Advanced Materials, School of Science, Nanjing University of Posts and Telecommunications (NJUPT), Nanjing 210023, China
| | - Xing’ao Li
- New Energy Technology Engineering Laboratory of Jiangsu Province, Institute of Advanced Materials, School of Science, Nanjing University of Posts and Telecommunications (NJUPT), Nanjing 210023, China
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Oseghe EO, Akpotu SO, Mombeshora ET, Oladipo AO, Ombaka LM, Maria BB, Idris AO, Mamba G, Ndlwana L, Ayanda OS, Ofomaja AE, Nyamori VO, Feleni U, Nkambule TT, Msagati TA, Mamba BB, Bahnemann DW. Multi-dimensional applications of graphitic carbon nitride nanomaterials – A review. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117820] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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The role of graphitic C3N4 in improving the photovoltaic performance of CdS quantum dots sensitized solar cells. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.108919] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Gkini K, Martinaiou I, Falaras P. A Review on Emerging Efficient and Stable Perovskite Solar Cells Based on g-C 3N 4 Nanostructures. MATERIALS (BASEL, SWITZERLAND) 2021; 14:1679. [PMID: 33805485 PMCID: PMC8038080 DOI: 10.3390/ma14071679] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/22/2021] [Accepted: 03/27/2021] [Indexed: 11/16/2022]
Abstract
Perovskite solar cells (PSCs) have attracted great research interest in the scientific community due to their extraordinary optoelectronic properties and the fact that their power conversion efficiency (PCE) has increased rapidly in recent years, surpassing other 3rd generation photovoltaic (PV) technologies. Graphitic carbon nitride (g-C3N4) presents exceptional optical and electronic properties and its use was recently expanded in the field of PSCs. The addition of g-C3N4 in the perovskite absorber and/or the electron transport layer (ETL) resulted in PCEs exceeding 22%, mainly due to defects passivation, improved conductivity and crystallinity as well as low charge carriers' recombination rate within the device. Significant performance increase, including stability enhancement, was also achieved when g-C3N4 was applied at the PSC interfaces and the observed improvement was attributed to its wetting (hydrophobic/hydrophilic) nature and the fine tuning of the corresponding interface energetics. The current review summarizes the main innovations for the incorporation of graphitic carbon nitride in PSCs and highlights the significance and perspectives of the g-C3N4 approach for emerging highly efficient and robust PV devices.
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Affiliation(s)
- Konstantina Gkini
- Institute of Nanoscience and Nanotechnology, NCSR Demokritos, Agia Paraskevi Attikis, 15341 Athens, Greece; (K.G.); (I.M.)
- Physics Department, School of Natural Sciences, University of Patras, 26504 Patras, Greece
| | - Ioanna Martinaiou
- Institute of Nanoscience and Nanotechnology, NCSR Demokritos, Agia Paraskevi Attikis, 15341 Athens, Greece; (K.G.); (I.M.)
| | - Polycarpos Falaras
- Institute of Nanoscience and Nanotechnology, NCSR Demokritos, Agia Paraskevi Attikis, 15341 Athens, Greece; (K.G.); (I.M.)
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Darkwah WK, Ao Y. Mini Review on the Structure and Properties (Photocatalysis), and Preparation Techniques of Graphitic Carbon Nitride Nano-Based Particle, and Its Applications. NANOSCALE RESEARCH LETTERS 2018; 13:388. [PMID: 30498964 PMCID: PMC6265161 DOI: 10.1186/s11671-018-2702-3] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 08/30/2018] [Indexed: 05/21/2023]
Abstract
Graphite carbon nitride (g-C3N4) is well known as one of the most promising materials for photocatalytic activities, such as CO2 reduction and water splitting, and environmental remediation through the removal of organic pollutants. On the other hand, carbon nitride also pose outstanding properties and extensive application forecasts in the aspect of field emission properties. In this mini review, the novel structure, synthesis and preparation techniques of full-bodied g-C3N4-based composite and films were revealed. This mini review discussed contemporary advancement in the structure, synthesis, and diverse methods used for preparing g-C3N4 nanostructured materials. The present study gives an account of full knowledge of the use of the exceptional structural and properties, and the preparation techniques of graphite carbon nitride (g-C3N4) and its applications.
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Affiliation(s)
- Williams Kweku Darkwah
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Environmental Engineering Department, College of Environment, Hohai University, Nanjing, China
| | - Yanhui Ao
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Environmental Engineering Department, College of Environment, Hohai University, Nanjing, China
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Wang SH, Chang SJ, Hsu CL, Fang YJ. Visible Illumination Enhanced Nonenzymatic Glucose Photobiosensor Based on TiO2 Nanorods Decorated With Au Nanoparticles. IEEE Trans Biomed Eng 2018; 65:2052-2057. [DOI: 10.1109/tbme.2017.2782732] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Kolay A, Kumar PN, Kumar SK, Deepa M. Titanium oxide morphology controls charge collection efficiency in quantum dot solar cells. Phys Chem Chem Phys 2017; 19:4607-4617. [DOI: 10.1039/c6cp07364f] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Charge transfer at the TiO2/quantum dot (QD) interface, charge collection at the TiO2/QD/current collector (FTO or SnO2:F) interface, and back electron transfer at the TiO2/QDs/S2− interface are processes controlled by the electron transport layer or TiO2.
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Affiliation(s)
- Ankita Kolay
- Department of Chemistry
- Indian Institute of Technology Hyderabad
- Kandi-502285
- India
| | - P. Naresh Kumar
- Department of Chemistry
- Indian Institute of Technology Hyderabad
- Kandi-502285
- India
| | - Sarode Krishna Kumar
- Department of Chemistry
- Indian Institute of Technology Hyderabad
- Kandi-502285
- India
| | - Melepurath Deepa
- Department of Chemistry
- Indian Institute of Technology Hyderabad
- Kandi-502285
- India
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