Over 31% efficient indoor organic photovoltaics enabled by simultaneously reduced trap-assisted recombination and non-radiative recombination voltage loss

Author:

Zhou Xiaobo1,Wu Hongbo2,Bothra Urvashi3,Chen Xingze4,Lu Guanyu5,Zhao Heng1,Zhao Chao1,Luo Qun4ORCID,Lu Guanghao5ORCID,Zhou Ke1,Kabra Dinesh3ORCID,Ma Zaifei2ORCID,Ma Wei1ORCID

Affiliation:

1. State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China

2. Advanced Low-dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for College of Materials Science and Engineering, Donghua University, Shanghai 201620, China

3. Department of Physics, Indian Institute of Technology, Mumbai, 400076, India

4. i-Lab & Printable Electronics Research Center, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China

5. Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, China

Abstract

Compared to the bulk-heterojunction (BHJ) counterpart, the layer-by-layer (LBL) processing can form better vertical phase distribution, which is conducive to simultaneously improving the FF and VOC, eventually achieving 31.2% efficient indoor OPVs.

Funder

National Natural Science Foundation of China

Shaanxi Provincial Science and Technology Department

Higher Education Discipline Innovation Project

U.S. Department of Energy

National Key Research and Development Program of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Electrical and Electronic Engineering,Process Chemistry and Technology,Mechanics of Materials,General Materials Science

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