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题名:
Chloroform-sensing properties of plasmonic nanostructures using poly(methyl methacrylate) transduction layer
作者: Ma, Wenying1; Luo, Ji2; Ling, Weiwei1; Wang, Weimin2
刊名: MICRO & NANO LETTERS
出版日期: 2013-02-01
卷号: 8, 期号:2, 页码:111-114
文章类型: Article
英文摘要: The design and development of a sensitive, fast and selective chloroform vapour sensor based on a poly(methyl methacrylate) (PMMA) transduction layer and a plasmonic nanostructures transducer is presented. The PMMA layer swelled when it was in exposure to the vapours, which would in turn bring in an extinction efficiency change in the localised surface plasmon resonance (LSPR) spectrum for triangular silver nanoprisms. The LSPR spectral response to chloroform and other vapours was measured by a UV-vis spectrometer in real time. Experiment results showed that the PMMA-LSPR sensor indicated a sensitivity of 4.76 x 10(-5) ppm(-1) and a detection limit of 21 ppm. A fast, stable and reversible response was observed during positive and negative test cycles upon variations of the environment in the gas cell between clean air and saturated chloroform contained air. The PMMA-LSPR sensor also showed good selectivity of chloroform when it was exposed to vapours with different functional groups. It has been demonstrated that plasmonic nanostructures coated with PMMA transduction films can be applied to chloroform sensing and vapour classifying applications.
WOS标题词: Science & Technology ; Technology
类目[WOS]: Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]: Science & Technology - Other Topics ; Materials Science
关键词[WOS]: RESONANCE SPECTROSCOPY ; SILVER NANOPARTICLES ; GAS SENSOR ; SURFACE ; FILM ; SENSITIVITY ; SELECTIVITY ; VAPORS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000318983400015
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/1205
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 Nanofabricat & Microeng, Inst Opt & Elect, Chengdu 610209, Peoples R China

Recommended Citation:
Ma, Wenying,Luo, Ji,Ling, Weiwei,et al. Chloroform-sensing properties of plasmonic nanostructures using poly(methyl methacrylate) transduction layer[J]. MICRO & NANO LETTERS,2013,8(2):111-114.
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