TY - JOUR
T1 - In Situ Polymer Network in Perovskite Solar Cells Enabled Superior Moisture and Thermal Resistance
AU - Xu, Yamin
AU - Liu, Guohua
AU - Hu, Jianfei
AU - Wang, Guan
AU - Chen, Muyang
AU - Chen, Yue
AU - Li, Mingjie
AU - Zhang, Hui
AU - Chen, Yonghua
N1 - Funding Information:
The authors acknowledge the financial support from the National Key & Program of China (Grant No. 2020YFA07099003), Natural Science Foundation of China (51972172, 91833304, and 91733302), Natural Science Foundation of Jiangsu Province for Distinguished Young Scholars, China (BK20200034), the Natural Science Basic Research Plan in Shaanxi Province of China (2021JLM-43), the Joint Research Funds of Department of Science & Technology of Shaanxi Province and Northwestern Polytechnical University (2020GXLH-Z-007 and 2020GXLH-Z-014), Projects of International Cooperation and Exchanges NSFC (51811530018), Young 1000 Talents Global Recruitment Program of China.
Funding Information:
The authors acknowledge the financial support from the National Key & Program of China (Grant No. 2020YFA07099003) Natural Science Foundation of China (51972172, 91833304, and 91733302) Natural Science Foundation of Jiangsu Province for Distinguished Young Scholars, China (BK20200034), the Natural Science Basic Research Plan in Shaanxi Province of China (2021JLM-43), the Joint Research Funds of Department of Science & Technology of Shaanxi Province and Northwestern Polytechnical University (2020GXLH-Z-007 and 2020GXLH-Z-014) Projects of International Cooperation and Exchanges NSFC (51811530018) Young 1000 Talents Global Recruitment Program of China.
Publisher Copyright:
© 2022 American Chemical Society.
PY - 2022/4/28
Y1 - 2022/4/28
N2 - Perovskite decomposition arising from water permeation and heat induced crystal expansion is a major obstacle restricting the long-term durability of perovskite solar cells (PSCs). Herein, a polymerizable methyl acrylate (MCE) was employed as dopants in the deposition of perovskite thin films. Owing to the in situ formed polymer network, the environment moisture can be retained on the perovskite surface as the formation of a thin layer of perovskite monohydrate to prevent their deep penetration and transverse spread, and the heat tolerance of the perovskite was also improved because of the anchor structure between Pb2+ and -C═O groups and the agglomeration effect of the polymerized MCE. Moreover, MCE can coordinate with Pb2+ ions and some of them were volatilized during crystallization, resulting in preferred crystal orientations and suppressed nonradiative recombination. As a result, an excellent efficiency up to 21% with improved stability of MAPbI3 PSC was achieved.
AB - Perovskite decomposition arising from water permeation and heat induced crystal expansion is a major obstacle restricting the long-term durability of perovskite solar cells (PSCs). Herein, a polymerizable methyl acrylate (MCE) was employed as dopants in the deposition of perovskite thin films. Owing to the in situ formed polymer network, the environment moisture can be retained on the perovskite surface as the formation of a thin layer of perovskite monohydrate to prevent their deep penetration and transverse spread, and the heat tolerance of the perovskite was also improved because of the anchor structure between Pb2+ and -C═O groups and the agglomeration effect of the polymerized MCE. Moreover, MCE can coordinate with Pb2+ ions and some of them were volatilized during crystallization, resulting in preferred crystal orientations and suppressed nonradiative recombination. As a result, an excellent efficiency up to 21% with improved stability of MAPbI3 PSC was achieved.
UR - http://www.scopus.com/inward/record.url?scp=85129555737&partnerID=8YFLogxK
U2 - 10.1021/acs.jpclett.2c00811
DO - 10.1021/acs.jpclett.2c00811
M3 - Journal article
C2 - 35446040
AN - SCOPUS:85129555737
SN - 1948-7185
VL - 13
SP - 3754
EP - 3762
JO - Journal of Physical Chemistry Letters
JF - Journal of Physical Chemistry Letters
IS - 16
ER -