ARTICLE Organic donor-acceptor heterojunctions for high performance circularly polarized light detection Danlei Zhu1,2, Wei Jiang3, Zetong Ma1, Jiajing Feng3, Xiuqin Zhan1,2, Cheng Lu1,2, Jie Liu1, Jie Liu1, Yuanyuan Hu4, Dong Wang 1, Yong Sheng Zhao 1, Jianpu Wang 5, Zhaohui Wang3 & Lang Jiang 1,2✉ Development of highly efficient and stable lateral organic circularly polarized light photo- detector is a fundamental prerequisite for realization of circularly polarized light integrated applications. However, chiral semiconductors with helical structure are usually found with
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Organic donor-acceptor heterojunctions for high performance circularly polarized light detection
Danlei Zhu, Wei Jiang, Zetong Ma, Jiajing Feng, Xiuqin Zhan, Cheng Lu, Jie Liu, Jie Liu, Yuanyuan Hu, Dong Wang, Yong Sheng Zhao, Jianpu Wang, Zhaohui Wang, Lang Jiang
Research context
Abstract Development of highly efficient and stable lateral organic circularly polarized light photodetector is a fundamental prerequisite for realization of circularly polarized light integrated applications. However, chiral semiconductors with helical structure are usually found with intrinsically low field-effect mobilities, which becomes a bottleneck for high-performance and multi-wavelength circularly polarized light detection. To address this problem, here we demonstrate a novel strategy to fabricate multi-wavelength circularly polarized light photodetector based on the donor-acceptor heterojunction, where efficient exciton separation enables chiral acceptor layer to provide differentiated concentration of holes to the channel of organic field-effect transistors. Benefitting from the low defect density at the semiconductor/dielectric interface, the photodetectors exhibit excellent stability, enabling current roll-off of about 3–4% over 500 cycles. The photocurrent dissymmetry value and responsivity for circularly polarized light photodetector in air are 0.24 and 0.28 A W −1 , respectively. We further demonstrate circularly polarized light communication based on a real-time ci
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Danlei Zhu, Wei Jiang, Zetong Ma, Jiajing Feng, Xiuqin Zhan, Cheng Lu, Jie Liu, Jie Liu, Yuanyuan Hu, Dong Wang, Yong Sheng Zhao, Jianpu Wang, Zhaohui Wang, Lang Jiang. Organic donor-acceptor heterojunctions for high performance circularly polarized light detection. Nature Communications (2022). https://doi.org/10.1038/s41467-022-31186-7
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