Suppressing Interface Defects in Perovskite Solar Cells via Introducing a Plant-Derived Ergothioneine Self-Assembled Monolayer.

Cheng-Hsien Yeh, Hung-Chieh Hsu, Jung-Che Tsao, Hsuan-Ta Wu, Teh-Pei Lin, Chien-Te Wu, Shih-Hsiung Wu, Chuan-Feng Shih

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Article in Materials (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

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8 authors.

Cheng-Hsien YehDepartment of Electrical Engineering, National Cheng Kung University, Tainan 70101, Taiwan.ORCID 0009-0003-1257-5266

Hung-Chieh HsuDepartment of Electrical Engineering, National Cheng Kung University, Tainan 70101, Taiwan.

Jung-Che TsaoDepartment of Electrical Engineering, National Cheng Kung University, Tainan 70101, Taiwan.

Hsuan-Ta WuDepartment and Institute of Electrical Engineering, Minghsin University of Science and Technology, Hsinchu 30401, Taiwan.ORCID 0000-0002-8095-2575

Teh-Pei LinInstitute of Green Products, Feng Chia University, Taichung 40724, Taiwan.

Chien-Te WuInstitute of Green Products, Feng Chia University, Taichung 40724, Taiwan.

Shih-Hsiung WuGreen Energy and Environment Research Laboratories, Industrial Technology Research Institute, Tainan 711010, Taiwan.

Chuan-Feng ShihDepartment of Electrical Engineering, National Cheng Kung University, Tainan 70101, Taiwan.ORCID 0000-0002-8503-7210

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Perovskite solar cells are among the most promising renewable energy devices, and enhancing their stability is crucial for commercialization. This research presents the use of L-Ergothioneine (L-EGT) as a passivation material in perovskite solar cells, strategically placed between the electron transport layer and the perovskite absorber layer to mitigate defect states at the heterojunction interface. Surface analysis reveals that introducing L-EGT passivation material significantly improves the quality of the perovskite film. X-ray diffraction analysis indicates that L-EGT slows down perovskite film degradation and successfully suppresses secondary phase formation. X-ray photoelectron spectroscopic analysis shows that oxygen vacancies in the lattice decrease from 29.21% to 15.81%, while Ti

Indexed as

aging testinterfaceL-Ergothioneinelong-term stabilitypassivationperovskite

Identifiers

PMID39685175

DOI10.3390/ma17235739

PMCPMC11641942

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.