Well-aligned ZnO nanowires with excellent field emission and photocatalytic properties!

NCUIR > College of Electrical Engineering & Computer Science > Department of Electrical Engineering > journal & Dissertation > Item 987654321/108548

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Title:	Well-aligned ZnO nanowires with excellent field emission and photocatalytic properties!
Authors:	辛正倫;Chu, Fu-Hsuan;Huang, Chun-Wei;Hsin, Cheng-Lun;Wang, Chun-Wen;Yu, Shih-Ying;Yeh, Ping-Hung;Wu, Wen-Wei
Contributors:	資訊電機學院電機工程學系
Date:	2012-01-01
Issue Date:	2026-04-23 14:54:25 (UTC+8)
Publisher:	Royal Society of Chemistry;England
Abstract:	摘要： Well-aligned ZnO nanowires (NWs) were successfully synthesized on Si(100) by the process of carbothermal reduction and vapor-liquid-solid method. Scanning electron microscopy and transmission electron microscopy results confirmed that ZnO NWs were single crystalline wurtzite structures and grew along the [0001] direction. The influences of substrate temperature and total pressure on the growth were discussed. The well-aligned ZnO NWs show good field emission properties, and the emitter constructed of pencil-like ZnO NWs exhibited a low turn-on field (3.82 V μm(-1)) and a high field enhancement factor (β = 2303). Finally, we demonstrated that the as-prepared ZnO NWs with small diameter on the substrate have good photocatalytic activity toward degradation of methylene blue. Using ZnO NWs with Au nanoparticles (NPs) would decrease the recombination rate of hole-electron pairs due to the great shift of the Fermi level to the conduction band. Hence, adding Au NPs was a promising method to enhance the photocatalytic performance of ZnO NWs. It is significant that photocatalyst fabricated by ZnO NWs can apply to the degradation of organic pollution, and solve the environmental issues. 其他題名： Nanoscale 出版者： England 出版日期： 2012-03-07 出處： Nanoscale, 2012-03, Vol.4 (5), p.1471 識別號： ISSN: 2040-3372 識別號： EISSN: 2040-3372 識別號： DOI: 10.1039/c1nr10796h 識別號： PMID: 21979153
Appears in Collections:	[Department of Electrical Engineering] journal & Dissertation

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