Interface property–functionality interplay suppresses bimolecular recombination facilitating above 18% efficiency organic solar cells embracing simplistic fabrication

Author:

Dela Peña Top Archie123ORCID,Ma Ruijie4ORCID,Xing Zengshan5,Wei Qi2,Khan Jafar I.6,Young Ryan Michael7ORCID,Hai Yulong1,Garcia Sheena Anne8ORCID,Zou Xinhui5,Jin Zijing5,Ng Fai Lun9ORCID,Yeung King Lun8ORCID,Swearer Dayne F.6,Wasielewski Michael R.7ORCID,Wang Jiannong5ORCID,Cha Hyojung10,Yan He3ORCID,Wong Kam Sing5,Li Gang4ORCID,Li Mingjie211,Wu Jiaying112ORCID

Affiliation:

1. The Hong Kong University of Science and Technology, Function Hub, Advanced Materials Thrust, Nansha 511400, Guangzhou, P. R. China

2. The Hong Kong Polytechnic University, Faculty of Science, Department of Applied Physics, Kowloon, Hong Kong 000000, P. R. China

3. The Hong Kong University of Science and Technology, School of Science, Department of Chemistry, Kowloon, Hong Kong 000000, P. R. China

4. Department of Electronic and Information Engineering, Research Institute for Smart Energy (RISE), Guangdong-Hong Kong-Macao (GHM) Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, 999077, China

5. The Hong Kong University of Science and Technology, School of Science, Department of Physics, Kowloon, Hong Kong 000000, P. R. China

6. Northwestern University, Department of Chemistry and Department of Chemical and Biological Engineering, Evanston, Illinois 60208, USA

7. Northwestern University, Department of Chemistry and Institute for Sustainability and Energy at Northwestern, Evanston, Illinois 60208, USA

8. The Hong Kong University of Science and Technology, School of Engineering, Department of Chemical and Biomolecular Engineering, Kowloon, Hong Kong 000000, P. R. China

9. The Hong Kong University of Science and Technology, School of Engineering, Department of Electronic and Computer Engineering, Kowloon, Hong Kong 000000, P. R. China

10. Kyungpook National University, Department of Hydrogen & Renewable Energy, ITA Convergence Graduate School, Daegu 41566, South Korea

11. Photonics Research Institute, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong 000000, P. R. China

12. The Hong Kong University of Science and Technology, School of Engineering, Department of Chemical Engineering, Kowloon, Hong Kong 000000, P. R. China

Abstract

The donor/acceptor interface properties play vital roles not only for singlet exciton dissociation but also to suppress the free charge recombination enabling state-of-the-art device fill factors (FFs).

Funder

Guangzhou Municipal Science and Technology Project

National Natural Science Foundation of China

Hong Kong Polytechnic University

Morton Cure Paralysis Fund

California Walnut Board

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Nuclear Energy and Engineering,Renewable Energy, Sustainability and the Environment,Environmental Chemistry

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