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In situ transfer of CH(3)NH(3)PbI(3) single crystals in mesoporous scaffolds for efficient perovskite solar cells

Printable mesoscopic perovskite solar cells are usually fabricated by drop-casting perovskite precursor solution on a screen-printed mesoporous TiO(2)/ZrO(2)/carbon triple-layer followed by thermal annealing. They have attracted much attention due to their simple fabrication process and remarkable s...

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Autores principales: Guan, Yanjun, Xu, Mi, Zhang, Wenhao, Li, Da, Hou, Xiaomeng, Hong, Li, Wang, Qifei, Zhang, Zhihui, Mei, Anyi, Chen, Min, Zhou, Yuanyuan, Padture, Nitin P., Hu, Yue, Rong, Yaoguang, Han, Hongwei
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Royal Society of Chemistry 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7067259/
https://www.ncbi.nlm.nih.gov/pubmed/32190267
http://dx.doi.org/10.1039/c9sc04900b
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author Guan, Yanjun
Xu, Mi
Zhang, Wenhao
Li, Da
Hou, Xiaomeng
Hong, Li
Wang, Qifei
Zhang, Zhihui
Mei, Anyi
Chen, Min
Zhou, Yuanyuan
Padture, Nitin P.
Hu, Yue
Rong, Yaoguang
Han, Hongwei
author_facet Guan, Yanjun
Xu, Mi
Zhang, Wenhao
Li, Da
Hou, Xiaomeng
Hong, Li
Wang, Qifei
Zhang, Zhihui
Mei, Anyi
Chen, Min
Zhou, Yuanyuan
Padture, Nitin P.
Hu, Yue
Rong, Yaoguang
Han, Hongwei
author_sort Guan, Yanjun
collection PubMed
description Printable mesoscopic perovskite solar cells are usually fabricated by drop-casting perovskite precursor solution on a screen-printed mesoporous TiO(2)/ZrO(2)/carbon triple-layer followed by thermal annealing. They have attracted much attention due to their simple fabrication process and remarkable stability. However, challenges lie in how to achieve complete pore fillings of perovskites in the meso-pores and to obtain high-quality perovskite crystals. Here, we report an in situ crystal transfer (ICT) process based on gas–solid interaction to deposit perovskite CH(3)NH(3)PbI(3) absorber in the scaffold. CH(3)NH(3)PbI(3) single crystals are first transformed into a liquid phase via exposure to methylamine gas flow. After complete infiltration into the nano-structured scaffolds, the liquid phase is converted back to the solid phase with reduction of methylamine gas partial pressure, maintaining the high-quality of CH(3)NH(3)PbI(3) single crystals. Compared with the conventional drop-casting method, the ICT method effectively leads to interconnected morphology and prolongs the charge-carrier lifetime (from ∼37.52 ns to ∼110.85 ns) of the perovskite absorber in the scaffold. As a result, the devices can deliver a power conversion efficiency of 15.89%, which is attributed to the suppressed charge recombination and correspondingly enhanced open-circuit voltage of 0.98 V.
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spelling pubmed-70672592020-03-18 In situ transfer of CH(3)NH(3)PbI(3) single crystals in mesoporous scaffolds for efficient perovskite solar cells Guan, Yanjun Xu, Mi Zhang, Wenhao Li, Da Hou, Xiaomeng Hong, Li Wang, Qifei Zhang, Zhihui Mei, Anyi Chen, Min Zhou, Yuanyuan Padture, Nitin P. Hu, Yue Rong, Yaoguang Han, Hongwei Chem Sci Chemistry Printable mesoscopic perovskite solar cells are usually fabricated by drop-casting perovskite precursor solution on a screen-printed mesoporous TiO(2)/ZrO(2)/carbon triple-layer followed by thermal annealing. They have attracted much attention due to their simple fabrication process and remarkable stability. However, challenges lie in how to achieve complete pore fillings of perovskites in the meso-pores and to obtain high-quality perovskite crystals. Here, we report an in situ crystal transfer (ICT) process based on gas–solid interaction to deposit perovskite CH(3)NH(3)PbI(3) absorber in the scaffold. CH(3)NH(3)PbI(3) single crystals are first transformed into a liquid phase via exposure to methylamine gas flow. After complete infiltration into the nano-structured scaffolds, the liquid phase is converted back to the solid phase with reduction of methylamine gas partial pressure, maintaining the high-quality of CH(3)NH(3)PbI(3) single crystals. Compared with the conventional drop-casting method, the ICT method effectively leads to interconnected morphology and prolongs the charge-carrier lifetime (from ∼37.52 ns to ∼110.85 ns) of the perovskite absorber in the scaffold. As a result, the devices can deliver a power conversion efficiency of 15.89%, which is attributed to the suppressed charge recombination and correspondingly enhanced open-circuit voltage of 0.98 V. Royal Society of Chemistry 2019-11-20 /pmc/articles/PMC7067259/ /pubmed/32190267 http://dx.doi.org/10.1039/c9sc04900b Text en This journal is © The Royal Society of Chemistry 2020 http://creativecommons.org/licenses/by-nc/3.0/ This article is freely available. This article is licensed under a Creative Commons Attribution Non Commercial 3.0 Unported Licence (CC BY-NC 3.0)
spellingShingle Chemistry
Guan, Yanjun
Xu, Mi
Zhang, Wenhao
Li, Da
Hou, Xiaomeng
Hong, Li
Wang, Qifei
Zhang, Zhihui
Mei, Anyi
Chen, Min
Zhou, Yuanyuan
Padture, Nitin P.
Hu, Yue
Rong, Yaoguang
Han, Hongwei
In situ transfer of CH(3)NH(3)PbI(3) single crystals in mesoporous scaffolds for efficient perovskite solar cells
title In situ transfer of CH(3)NH(3)PbI(3) single crystals in mesoporous scaffolds for efficient perovskite solar cells
title_full In situ transfer of CH(3)NH(3)PbI(3) single crystals in mesoporous scaffolds for efficient perovskite solar cells
title_fullStr In situ transfer of CH(3)NH(3)PbI(3) single crystals in mesoporous scaffolds for efficient perovskite solar cells
title_full_unstemmed In situ transfer of CH(3)NH(3)PbI(3) single crystals in mesoporous scaffolds for efficient perovskite solar cells
title_short In situ transfer of CH(3)NH(3)PbI(3) single crystals in mesoporous scaffolds for efficient perovskite solar cells
title_sort in situ transfer of ch(3)nh(3)pbi(3) single crystals in mesoporous scaffolds for efficient perovskite solar cells
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7067259/
https://www.ncbi.nlm.nih.gov/pubmed/32190267
http://dx.doi.org/10.1039/c9sc04900b
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