Vertically optimized phase separation with improved exciton diffusion enables efficient organic solar cells with thick active layers

Yunhao Cai; Qian Li; Guanyu Lu; Hwa Sook Ryu; Yun Li; Hui Jin; Zhihao Chen; Zheng Tang; Guanghao Lu; Xiaotao Hao; Han Young Woo; Chunfeng Zhang; Yanming Sun

doi:10.1038/s41467-022-29803-6

Nature Communications (May 2022)

Vertically optimized phase separation with improved exciton diffusion enables efficient organic solar cells with thick active layers

Yunhao Cai,
Qian Li,
Guanyu Lu,
Hwa Sook Ryu,
Yun Li,
Hui Jin,
Zhihao Chen,
Zheng Tang,
Guanghao Lu,
Xiaotao Hao,
Han Young Woo,
Chunfeng Zhang,
Yanming Sun

Affiliations

Yunhao Cai: School of Chemistry, Beihang University
Qian Li: National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center for Advanced Microstructures, Nanjing University
Guanyu Lu: Frontier Institute of Science and Technology, Xi’an Jiaotong University
Hwa Sook Ryu: Department of Chemistry, College of Science, KU-KIST Graduate School of Converging Science and Technology, Korea University
Yun Li: School of Chemistry, Beihang University
Hui Jin: State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-dimension Materials, College of Materials Science and Engineering, Donghua University
Zhihao Chen: School of Physics State Key Laboratory of Crystal Materials, Shandong University
Zheng Tang: State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-dimension Materials, College of Materials Science and Engineering, Donghua University
Guanghao Lu: Frontier Institute of Science and Technology, Xi’an Jiaotong University
Xiaotao Hao: School of Physics State Key Laboratory of Crystal Materials, Shandong University
Han Young Woo: Department of Chemistry, College of Science, KU-KIST Graduate School of Converging Science and Technology, Korea University
Chunfeng Zhang: National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center for Advanced Microstructures, Nanjing University
Yanming Sun: School of Chemistry, Beihang University

DOI: https://doi.org/10.1038/s41467-022-29803-6
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 11

Abstract

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Exciton diffusion length and graded vertical phase separation of the active layer play a critical role in the realization of high-performance thick-film organic solar cells (OSCs). Here, authors demonstrated OSCs with an efficiency of 17.31%, with an active layer thickness of around 300 nm.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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