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Improving the intrinsic photostability of MeNH3PbI3 layers by passivation with pentaerythritol tetrakis(2-mercaptoacetate)

Mayuribala Mangrulkar 1, 2
Mayuribala Mangrulkar
, 
Sergey Yur'evich Luchkin 1
Sergey Yur'evich Luchkin
, 
Aleksandra Gennad'evna Boldyreva 1
Aleksandra Gennad'evna Boldyreva
,  , 
Keith J Stevenson 4
Keith J Stevenson
1 Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, 121205 Moscow, Russian Federation
2 School of Engineering and Applied Science, Ahmedabad University, 380009 Ahmedabad, Gujarat, India
3 Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, 141432 Chernogolovka, Moscow Region, Russian Federation
10.71267/mencom.7933
Published 4 June 2026 , received 8 October 2025
Communication , Volume 36, Issue 4, 413-415
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Mangrulkar M. et al. Improving the intrinsic photostability of MeNH3PbI3 layers by passivation with pentaerythritol tetrakis(2-mercaptoacetate) // Mendeleev Communications. 2026. Vol. 36. No. 4. pp. 413-415.
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Mangrulkar M., Luchkin S. Y., Boldyreva A. G., Troshin P. A., Stevenson K. J. Improving the intrinsic photostability of MeNH3PbI3 layers by passivation with pentaerythritol tetrakis(2-mercaptoacetate) // Mendeleev Communications. 2026. Vol. 36. No. 4. pp. 413-415.
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TY - JOUR
DO - 10.71267/mencom.7933
UR - https://mendcomm.colab.ws/publications/10.71267/mencom.7933
TI - Improving the intrinsic photostability of MeNH3PbI3 layers by passivation with pentaerythritol tetrakis(2-mercaptoacetate)
T2 - Mendeleev Communications
AU - Mangrulkar, Mayuribala
AU - Luchkin, Sergey Yur'evich
AU - Boldyreva, Aleksandra Gennad'evna
AU - Troshin, Pavel Anatol'evich
AU - Stevenson, Keith J
PY - 2026
DA - 2026/06/04
PB - Mendeleev Communications
SP - 413-415
IS - 4
VL - 36
ER -
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@article{2026_Mangrulkar,
author = {Mayuribala Mangrulkar and Sergey Yur'evich Luchkin and Aleksandra Gennad'evna Boldyreva and Pavel Anatol'evich Troshin and Keith J Stevenson},
title = {Improving the intrinsic photostability of MeNH3PbI3 layers by passivation with pentaerythritol tetrakis(2-mercaptoacetate)},
journal = {Mendeleev Communications},
year = {2026},
volume = {36},
publisher = {Mendeleev Communications},
month = {Jun},
url = {https://mendcomm.colab.ws/publications/10.71267/mencom.7933},
number = {4},
pages = {413--415},
doi = {10.71267/mencom.7933}
}
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Mangrulkar, Mayuribala, et al. “Improving the intrinsic photostability of MeNH3PbI3 layers by passivation with pentaerythritol tetrakis(2-mercaptoacetate).” Mendeleev Communications, vol. 36, no. 4, Jun. 2026, pp. 413-415. https://mendcomm.colab.ws/publications/10.71267/mencom.7933.
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Keywords

additive
MeNH3PbI3
pentaerythritol tetrakis(2-mercaptoacetate)
perovskite solar cells
perovskite thin film
stability

Abstract

The use of pentaerythritol tetrakis(2-mercaptoacetate) additive in MeNH3PbI3 thin films improved their photostability under solar irradiation with an intensity of 70–80 mW cm--2 at a temperature of 50–60 °C in an inert atmosphere (ISOS-I protocol) for up to 1400 h. This additive presumably chemically passivates the perovskite layer by chelating Pb2+ ions with C=O groups, which improves the intrinsic photostability.

Funders

Ministry of Education and Science of the Russian Federation
FFSG-2024-0008 (124013000743-3)

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