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题名:
Ethanol Vapor Sensing Properties of Triangular Silver Nanostructures Based on Localized Surface Plasmon Resonance
作者: Ma, Wenying1,2; Yang, Huan2; Wang, Weimin2; Gao, Ping2; Yao, Jun2
刊名: SENSORS
出版日期: 2011-09-01
卷号: 11, 期号:9, 页码:8643-8653
关键词: localized surface plasmon resonance ; volatile organic vapor ; triangular nanoprism ; sensitivity
文章类型: Article
英文摘要: A sensitive volatile organic vapor sensor based on the LSPR properties of silver triangular nanoprisms is proposed in this paper. The triangular nanoprisms were fabricated by a nanosphere lithography (NSL) method. They have sharp vertices and edges, and are arranged in an ideal hexangular array. These characteristics ensure that they exhibit an excellent LSPR spectrum and a high sensitivity to the exterior environment changes. The LSPR spectra responding to ethanol vapor and four other volatile organic vapors-acetone, benzene, hexane and propanol-were measured with a UV-vis spectrometer in real time. Compared with the other four vapors, ethanol exhibits the highest sensitivity (similar to 0.1 nm/mg L(-1)) and the lowest detection limit (similar to 10 mg/L) in the spectral tests. The ethanol vapor test process is also fast (similar to 4 s) and reversible. These insights demonstrate that the triangular nanoprism based nano-sensor can be used in ethanol vapor detection applications.
WOS标题词: Science & Technology ; Physical Sciences ; Technology
类目[WOS]: Chemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
研究领域[WOS]: Chemistry ; Electrochemistry ; Instruments & Instrumentation
关键词[WOS]: NANOSCALE OPTICAL BIOSENSOR ; NANOPARTICLES ; SPECTROSCOPY ; SENSORS ; SELECTIVITY ; MONOLAYER ; FILMS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000295211700026
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3422
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chengdu Univ Informat Technol, Dept Commun Engn, Chengdu 610225, Peoples R China
2.Chinese Acad Sci, State Key Lab Opt Technol Microfabricat, Inst Opt & Elect, Chengdu 610209, Peoples R China

Recommended Citation:
Ma, Wenying,Yang, Huan,Wang, Weimin,et al. Ethanol Vapor Sensing Properties of Triangular Silver Nanostructures Based on Localized Surface Plasmon Resonance[J]. SENSORS,2011,11(9):8643-8653.
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