journal article·2024-10-07

Realization of Evaporated Electrode-Based Intrinsically Stretchable Ternary Organic Solar Cells through Encapsulation Strategy

Zhenye Wang, Di Zhang, Lvpeng Yang, Meichen Xu, Junfeng Liu, Zhi Wang, Yerun Gao, Li-Yuan Zhang, Lianbin Niu, Ming Shao

ACS Materials Letters· Volume 6· Issue 10
Publisher page

Abstract

The mechanical properties of organic solar cells are of great importance to ensure their application in wearable or stretchable electronics. Here, we introduce polymer acceptor (N2200) into the active layer blend, and realize intrinsically stretchable organic solar cells ( is -OSCs) with evaporated electrode via encapsulation strategy. The incorporation of N2200 simultaneously enhances the mechanical stretchability and PCE of is -OSCs, attributed to the enhanced polymer chain entanglement, and N2200 can act as tie molecules to provide electric connection among small molecule domains. More importantly, encapsulating the evaporated electrode-based is -OSCs leads to significant improvement in its mechanical stretchability, with 80% PCE retention under a large strain of 20%, compared to <2.5% strain for the unencapsulated ones. Additionally, encapsulated is -OSCs retained 67% PCE after 1000 test cycles at a stretch strain of 15%, whereas unencapsulated devices can only retain 33% PCE after 200 test cycles under a small strain of 5%.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Organic Electronics and Photovoltaics · Conducting polymers and applications · Nanowire Synthesis and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Analytical and Testing Center, College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang 641112, People’s Republic of China

Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, People’s Republic of China

Key Laboratory of Fruit Waste Treatment and Resource Recycling of the Sichuan Provincial College, Special Agricultural Resources in Tuojiang River Basin Sharing and Service Platform of Sichuan Province, Neijiang 641112, People’s Republic of China

College of Physics and Electronic Engineering, Chongqing Normal University, Chongqing 401331, People’s Republic of China

Funding

National Key Research and Development Program of China · Huazhong University of Science and Technology · National Natural Science Foundation of China · Recruitment Program of Global Experts · Special Agricultural Resources in Tuojiang River Basin Sharing and Service Platform of Sichuan Province · Neijiang Science and Technology Program

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