Over 19.2% efficiency of layer-by-layer organic photovoltaics enabled by a highly crystalline material as an energy donor and nucleating agent

Author:

Tian Hongyue1,Ni Yuheng1,Zhang Wenqing2,Xu Yujie2,Zheng Bing3,Jeong Sang Young4,Wu Sijian5,Ma Zaifei5ORCID,Du Xiaoyan2ORCID,Hao Xiaotao2ORCID,Woo Han Young4ORCID,Huo Lijun6ORCID,Ma Xiaoling17ORCID,Zhang Fujun17ORCID

Affiliation:

1. Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University, Beijing, 100044, P. R. China

2. School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan, Shandong, 250100, P. R. China

3. School of Pharmacy, Shandong Second Medical University, Weifang, Shandong, 261053, P. R. China

4. Organic Optoelectronic Materials Laboratory, Department of Chemistry, College of Science, Korea University, 02841, Seoul, Republic of Korea

5. 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, Shanghai, 201620, P. R. China

6. School of Chemistry, Beihang University, Beijing 100191, P. R. China

7. Tangshan Research Institute of Beijing Jiaotong University, Tangshan, 063000, P. R. China

Abstract

By introducing highly crystalline material D18A into donor layer acting as energy donor and nucleating agent, an optimal PCE of 19.25% was achieved for PM1 : D18A/L8-BO based OPVs.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Hebei Province

Chunhui Project Foundation of the Education Department of China

National Research Foundation of Korea

Publisher

Royal Society of Chemistry (RSC)

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