TiO 2 Mesocrystals Processed at Low Temperature as the Electron‐Transport Material in Perovskite Solar Cells
Publication type: Journal Article
Publication date: 2020-08-20
scimago Q1
wos Q1
SJR: 1.845
CiteScore: 13.1
Impact factor: 6.6
ISSN: 18645631, 1864564X
PubMed ID:
32696606
General Chemical Engineering
General Materials Science
General Energy
Environmental Chemistry
Abstract
TiO2 is the most widely used material for preparing the electron-transporting layer (ETL) in perovskite solar cells (PSCs). However, it requires a high-temperature sintering process. Moreover, the intrinsic defects and low electron mobility of TiO2 ETLs cause instability and hysteresis effects in PSCs. In this study, a mesoporous film composed of anatase TiO2 mesocrystals was facilely fabricated by a low-temperature route and then used as an ETL in PSCs for the first time. A satisfactory efficiency of 20.26 % can be achieved through delicate control of the entire device fabrication procedure. The optimal device, with an area of 1 cm2 , achieves an efficiency of 17.07 %. In comparison to the common TiO2 ETLs, those composed of TiO2 mesocrystals show the enhanced electron extraction and suppression of charge accumulation at the perovskite/ETL interface, resulting in improved photovoltaic performance and reduced hysteresis.
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Guo M. et al. TiO 2 Mesocrystals Processed at Low Temperature as the Electron‐Transport Material in Perovskite Solar Cells // ChemSusChem. 2020. Vol. 13. No. 19. pp. 5256-5263.
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Guo M., Shen D., Li Y., Akram M. A., Wei M. TiO 2 Mesocrystals Processed at Low Temperature as the Electron‐Transport Material in Perovskite Solar Cells // ChemSusChem. 2020. Vol. 13. No. 19. pp. 5256-5263.
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RIS
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TY - JOUR
DO - 10.1002/cssc.202001486
UR - https://doi.org/10.1002/cssc.202001486
TI - TiO 2 Mesocrystals Processed at Low Temperature as the Electron‐Transport Material in Perovskite Solar Cells
T2 - ChemSusChem
AU - Guo, Minghuang
AU - Shen, Deli
AU - Li, Yafeng
AU - Akram, Muhammad Aftab
AU - Wei, Mingdeng
PY - 2020
DA - 2020/08/20
PB - Wiley
SP - 5256-5263
IS - 19
VL - 13
PMID - 32696606
SN - 1864-5631
SN - 1864-564X
ER -
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BibTex (up to 50 authors)
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@article{2020_Guo,
author = {Minghuang Guo and Deli Shen and Yafeng Li and Muhammad Aftab Akram and Mingdeng Wei},
title = {TiO 2 Mesocrystals Processed at Low Temperature as the Electron‐Transport Material in Perovskite Solar Cells},
journal = {ChemSusChem},
year = {2020},
volume = {13},
publisher = {Wiley},
month = {aug},
url = {https://doi.org/10.1002/cssc.202001486},
number = {19},
pages = {5256--5263},
doi = {10.1002/cssc.202001486}
}
Cite this
MLA
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Guo, Minghuang, et al. “TiO 2 Mesocrystals Processed at Low Temperature as the Electron‐Transport Material in Perovskite Solar Cells.” ChemSusChem, vol. 13, no. 19, Aug. 2020, pp. 5256-5263. https://doi.org/10.1002/cssc.202001486.