Rational design of Lewis base molecules for stable and efficient inverted perovskite solar cells-Reference-Cited by-同舟云学术

Rational design of Lewis base molecules for stable and efficient inverted perovskite solar cells

Published:2023-02-17 Issue:6633 Volume:379 Page:690-694
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Li Chongwen¹^ORCID,Wang Xiaoming¹,Bi Enbing¹,Jiang Fangyuan²^ORCID,Park So Min³^ORCID,Li You¹,Chen Lei¹,Wang Zaiwei³^ORCID,Zeng Lewei³,Chen Hao³^ORCID,Liu Yanjiang³^ORCID,Grice Corey R.¹⁴^ORCID,Abudulimu Abasi¹^ORCID,Chung Jaehoon¹,Xian Yeming¹,Zhu Tao¹^ORCID,Lai Huagui⁵^ORCID,Chen Bin³⁶^ORCID,Ellingson Randy J.¹,Fu Fan⁵^ORCID,Ginger David S.²^ORCID,Song Zhaoning¹^ORCID,Sargent Edward H.³⁶⁷^ORCID,Yan Yanfa¹^ORCID

Affiliation:

1. Department of Physics and Astronomy and Wright Center for Photovoltaics Innovation and Commercialization, The University of Toledo, Toledo, OH 43606, USA.

2. Department of Chemistry, University of Washington, Seattle, WA 98195, USA.

3. The Edward S. Rogers Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON M5S 3G4, Canada.

4. Center for Materials and Sensors Characterization, The University of Toledo, Toledo, OH 43606, USA.

5. Laboratory for Thin Films and Photovoltaics, Empa–Swiss Federal Laboratories for Materials Science and Technology, Dübendorf 8600, Switzerland.

6. Department of Chemistry, Northwestern University, Evanston, IL 60208, USA.

7. Department of Electrical and Computer Engineering, Northwestern University, Evanston, IL 60208, USA.

Abstract

Lewis base molecules that bind undercoordinated lead atoms at interfaces and grain boundaries (GBs) are known to enhance the durability of metal halide perovskite solar cells (PSCs). Using density functional theory calculations, we found that phosphine-containing molecules have the strongest binding energy among members of a library of Lewis base molecules studied herein. Experimentally, we found that the best inverted PSC treated with 1,3-bis(diphenylphosphino)propane (DPPP), a diphosphine Lewis base that passivates, binds, and bridges interfaces and GBs, retained a power conversion efficiency (PCE) slightly higher than its initial PCE of ~23% after continuous operation under simulated AM1.5 illumination at the maximum power point and at ~40°C for >3500 hours. DPPP-treated devices showed a similar increase in PCE after being kept under open-circuit conditions at 85°C for >1500 hours.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Link

https://www.science.org/doi/pdf/10.1126/science.ade3970

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