光电探测器
材料科学
光电子学
薄膜
紫外线
红外线的
响应度
薄脆饼
制作
宽带
图层(电子)
纳米技术
光学
病理
物理
替代医学
医学
作者
Chun Ki Liu,Venkatesh Piradi,Song Jia,Ziru Wang,Lok Wing Wong,Eng-Hao-Louis Tan,Jiong Zhao,Xunjin Zhu,Feng Yan
标识
DOI:10.1002/adma.202204140
摘要
Cu3 (HHTT)2 (HHTT: 2,3,7,8,12,13-hexahydroxytetraazanaphthotetraphene) is a novel 2D conjugated metal-organic framework (2D c-MOF) with efficient in-plane d-π conjugations and strong interlayer π-π interactions while the growth of Cu3 (HHTT)2 thin films has never been reported until now. Here, the successful fabrication of highly oriented wafer-scale Cu3 (HHTT)2 thin films with a layer-by-layer growth method on various substrates is presented. Its semiconducting behavior and carrier transport mechanisms are clarified through temperature and frequency-dependent conductivity measurements. Flexible photodetectors based on Cu3 (HHTT)2 thin films exhibit reliable photoresponses at room temperature in a wavelength region from UV to mid-IR, which is much broader than those of solution-processed broadband photodetectors reported previously. Moreover, the photodetectors can show a typical synaptic behavior and excellent data recognition accuracy in artificial neural networks. This work opens a window for the exploration of high-performance and multifunctional optoelectronic devices based on 2D c-MOFs.
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