Improved charge extraction in inverted perovskite solar cells with dual-site-binding ligands-Reference-Cited by-同舟云学术

Improved charge extraction in inverted perovskite solar cells with dual-site-binding ligands

Published:2024-04-12 Issue:6692 Volume:384 Page:189-193
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Chen Hao¹²^ORCID,Liu Cheng¹^ORCID,Xu Jian²,Maxwell Aidan²^ORCID,Zhou Wei³^ORCID,Yang Yi¹^ORCID,Zhou Qilin³^ORCID,Bati Abdulaziz S. R.¹^ORCID,Wan Haoyue²^ORCID,Wang Zaiwei²^ORCID,Zeng Lewei²,Wang Junke²^ORCID,Serles Peter⁴^ORCID,Liu Yuan¹^ORCID,Teale Sam²^ORCID,Liu Yanjiang²^ORCID,Saidaminov Makhsud I.⁵^ORCID,Li Muzhi⁶^ORCID,Rolston Nicholas⁶^ORCID,Hoogland Sjoerd²^ORCID,Filleter Tobin⁴^ORCID,Kanatzidis Mercouri G.¹^ORCID,Chen Bin¹^ORCID,Ning Zhijun³^ORCID,Sargent Edward H.¹²⁷^ORCID

Affiliation:

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

2. Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON M5S 1A4, Canada.

3. School of Physical Science and Technology, ShanghaiTech University, Shanghai, China.

4. Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada.

5. Department of Electrical and Computer Engineering, University of Victoria, Victoria, BC V8P 5C2, Canada.

6. Ira A. Fulton Schools of Engineering, Arizona State University, Tempe, AZ 85281, USA.

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

Abstract

Inverted (pin) perovskite solar cells (PSCs) afford improved operating stability in comparison to their nip counterparts but have lagged in power conversion efficiency (PCE). The energetic losses responsible for this PCE deficit in pin PSCs occur primarily at the interfaces between the perovskite and the charge-transport layers. Additive and surface treatments that use passivating ligands usually bind to a single active binding site: This dense packing of electrically resistive passivants perpendicular to the surface may limit the fill factor in pin PSCs. We identified ligands that bind two neighboring lead(II) ion (Pb 2+ ) defect sites in a planar ligand orientation on the perovskite. We fabricated pin PSCs and report a certified quasi–steady state PCE of 26.15 and 24.74% for 0.05– and 1.04–square centimeter illuminated areas, respectively. The devices retain 95% of their initial PCE after 1200 hours of continuous 1 sun maximum power point operation at 65°C.

Publisher

American Association for the Advancement of Science (AAAS)

Link

https://www.science.org/doi/pdf/10.1126/science.adm9474

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