Low-cost fabrication of high-performance p-n heterojunction nanostructures for UV and visible light detection and organic gas sensing

Cheng Liang Hsu, You Jyun Lan, Han Ting Hsueh, Yen Liang Pan, Yi Hung Liu

研究成果: 雜誌貢獻期刊論文同行評審

摘要

In this study, p-type Cr2O3 nanoparticles and n-type ZnO nanowires were successfully synthesized on a glass substrate using the chemical bath and hydrothermal methods. The resulting core-shell ZnO-Cr2O3 nanostructures exhibited rectification properties, with an ultra-low leakage current of 37.1 pA at a − 10 V reverse bias. The crystal structure of the Cr2O3 nanoparticles and ZnO nanowires was confirmed to be polycrystalline and single-crystalline, respectively, through XRD patterns and HR-TEM analysis. These p-n heterojunction nanostructures displayed exceptional response levels of 9.1 × 105 for UV, 2.6 × 102 for blue light, and 826% for organic gas sensing.

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文章編號173570
期刊Journal of Alloys and Compounds
978
DOIs
出版狀態已出版 - 25 3月 2024

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