journal article·2021-05

Perovskite Solar Cells: Investigation of Defect‐Tolerant Perovskite Solar Cells with Long‐Term Stability via Controlling the Self‐Doping Effect (Adv. Energy Mater. 17/2021)

Seong Ho Cho, Junseop Byeon, Kiwan Jeong, Jiseon Hwang, Hyunjoon Lee, Jihun Jang, Jieun Lee, Taehoon Kim, Kihwan Kim, Mansoo Choi, Yun Seog Lee

Advanced Energy Materials· Volume 11· Issue 17
Publisher page

Abstract

In article number 2100555, Mansoo Choi, Yun Seog Lee, and co-workers systematically investigate the self-doping effect on the light stability of perovskite solar cells (PSCs). Although both PSCs with Pb-rich and Pb-deficient conditions exhibit similar initial performance, the Pb-rich PSC degrades relatively quickly under light illumination even without H2O and O2. The perovskite crystal structure in the foreground represents void, interstitial, and deep-level anti-site defects formed during photo-aging of unbalanced stoichiometry, even under inert ambient conditions.
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Research context

OpenAlex topics: Perovskite Materials and Applications

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Affiliations

Department of Mechanical Engineering Seoul National University Seoul 08826 Republic of Korea

Global Frontier Center for Multiscale Energy Systems Seoul National University Seoul 08826 Republic of Korea

Korea Institute of Energy Research (KIER) Photovoltaics Laboratory Daejeon 34129 Republic of Korea

Inter‐University Semiconductor Research Center Seoul National University Seoul 08826 Republic of Korea

References

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