Organosilica Nanodots Doped ZnO Cathode Interface Layer for Highly Efficient and Stable Inverted Polymer Solar Cells

IF 8.3 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Applied Materials & Interfaces Pub Date : 2024-11-29 DOI:10.1021/acsami.4c14315

Luchan Huang, Zhuangzhuang Chen, Wenwen Chen, Qikun Rong, Na Li, Li Nian

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Abstract

Interfacial engineering is essential to achieve optical efficiencies and facilitate the industrialization of organic solar cells (OSCs). By doping organosilica nanodots (OSiNDs) into zinc oxide (ZnO), we have developed a hybrid ZnO/OSiNDs (4 wt %) cathode interface layer (CIL) that significantly enhances the overall performance of inverted organic solar cells (i-OSCs). In the PM6/BTP-eC9 active layer system, i-OSC devices with a ZnO/OSiNDs (4 wt %) CIL exhibit a superior power conversion efficiency (PCE) of 17.49%, surpassing that of reference devices with a pure ZnO CIL (15.88%). The OSiNDs not only modulate the work function of ZnO, thereby facilitating the carrier transport between ZnO interface and active layer, but also enhance device stability. After exposure to 1200 min of 100 mW/cm² illumination, including UV light, the devices retain 89.4% of their initial PCE, whereas devices based solely on ZnO retain only 57.7% under identical conditions. In this study, we present pioneering insights into the selection of environmentally friendly and cost-effective OSiNDs for modifying ZnO to create organic–inorganic hybrid coordination complexes as effective CILs.

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来源期刊

ACS Applied Materials & Interfaces 工程技术-材料科学：综合

CiteScore

16.00

自引率

6.30%

发文量

4978

审稿时长

1.8 months

期刊介绍： ACS Applied Materials & Interfaces is a leading interdisciplinary journal that brings together chemists, engineers, physicists, and biologists to explore the development and utilization of newly-discovered materials and interfacial processes for specific applications. Our journal has experienced remarkable growth since its establishment in 2009, both in terms of the number of articles published and the impact of the research showcased. We are proud to foster a truly global community, with the majority of published articles originating from outside the United States, reflecting the rapid growth of applied research worldwide.