Stabilizing halide perovskite surfaces for solar cell operation with wide-bandgap lead oxysalts-Reference-Cited by-同舟云学术

Stabilizing halide perovskite surfaces for solar cell operation with wide-bandgap lead oxysalts

Published:2019-08-02 Issue:6452 Volume:365 Page:473-478
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Yang Shuang¹²^ORCID,Chen Shangshang¹^ORCID,Mosconi Edoardo³,Fang Yanjun¹²,Xiao Xun¹^ORCID,Wang Congcong⁴^ORCID,Zhou Yu¹,Yu Zhenhua¹^ORCID,Zhao Jingjing¹²^ORCID,Gao Yongli⁴,De Angelis Filippo³⁵⁶,Huang Jinsong¹²^ORCID

Affiliation:

1. Department of Applied Physical Sciences, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.

2. Department of Mechanical and Materials Engineering, University of Nebraska–Lincoln, Lincoln, NE 68588, USA.

3. Computational Laboratory for Hybrid/Organic Photovoltaics (CLHYO), CNR–Istituto di Scienze e Tecnologie Molecolari (ISTM), Perugia, Italy.

4. Department of Physics and Astronomy, University of Rochester, Rochester, NY 14627, USA.

5. Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy.

6. D3-Computation, Istituto Italiano di Tecnologia, Genova, Italy.

Abstract

Stability through oxysalts The stability of organic-inorganic perovskite solar cells is limited by degradation from oxygen and water. Yang et al. show that in situ reaction of perovskites with sulfate or phosphate ions can create thin, strongly bonded lead oxysalt layers that protect defect sites. This layer also boosts charge carrier lifetimes that lead to a power conversion efficiency of more than 20%. Encapsulated devices maintained about 97% of this efficiency with simulated solar irradiation for nearly 2 months at a realistic operation temperature of 65°C. Science , this issue p. 473

Funder

National Science Foundation

Office of Naval Research

Air Force Office of Scientific Research

H2020 European Research Council - Espresso Project

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference33 articles.

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