期刊
JOURNAL OF APPLIED PHYSICS
卷 129, 期 20, 页码 -出版社
AIP Publishing
DOI: 10.1063/5.0048840
关键词
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资金
- National Natural Science Foundation of China (NNSFC) [51572092]
By fabricating ZnO/Ti3C2Tx hybrid structures using a simple dipping method, the photodetection ability has been significantly enhanced, particularly under 365 nm light illumination. The formation of a novel heterostructure and the high conductivity of Ti3C2Tx play a major role in improving the photodetection performance.
Two-dimensional MXenes have shown impressive semiconductor-like properties associated with their ultrathin-atomic-layer structure. Herein, ZnO/Ti3C2Tx hybrid structures were fabricated by a simple dipping method. Photodetectors (PDs) made of ZnO/Ti3C2Tx hybrid on glass fiber exhibit significantly enhanced photodetect ability. The responsivity of ZnO/Ti3C2Tx PD is 5.05 A/W when illuminated by 365 nm light (0.28 mW/cm(2)) at a bias of 5 V, which is 360 times that of ZnO PD (0.014 A/W). The synergistic effect of the formation of the novel heterostructure and the high conductivity of Ti3C2Tx played a major role in the enhanced photodetect performance. The high responsivity of 7.01 A/W and the high external quantum efficiency of 2386% for ZnO/Ti3C2Tx PD give it great potential for a UV light photoswitch and image sensor. This work sheds light on the utilization of two-dimensional MXene materials in high-performance optoelectronic devices.
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