The Influence of Dimensionality on the Charge‐Density‐Wave Transition and its Application on Mid‐Infrared Photodetection (Advanced Optical Materials 15/2023)

作者：Jialin Li, Hua Bai, Yupeng Li, Junjian Mi, Qiang Chen, Wei Tang, Huanfeng Zhu, Xinyi Fan, Yunhao Lu, Zhu‐An Xu, Linjun Li · 发表于：Advanced Optical Materials · 年份：2023 · DOI：10.1002/adom.202370054 · 被引用次数：4 · 研究领域：Organic and Molecular Conductors Research、2D Materials and Applications、Inorganic Chemistry and Materials

In article number 2300720, Jialin Li, Yunhao Lu, Zhuan Xu, Linjun Li, and co-workers present the observation of avalanche-like 1D CDW transition phenomenon in (TaSe4)2I and achieve both a high photo responsivity of 1.18 × 103 A W−1 and a large light on/off ratio of 80 at the mid infrared (MIR) region. The dimensionality influence on the charge density wave transition for MIR photodetection is systematically investigated and achieves such high photodetection performance in quasi 1D CDW material, thus paving the way for exploiting them on advanced optoelectronic applications.