Nanowire-based gas sensors

被引：340

作者：

Chen, Xianping ^{[1
,2
,3
]}

Wong, Cell K. Y. ^{[1
]}

Yuan, Cadmus A. ^{[3
,4
]}

Zhang, Guoqi ^{[1
,3
,5
]}

机构：

[1] Delft Univ Technol, Dept Precis & Microsyst Engn, NL-2628 CD Delft, Netherlands

[2] Guilin Univ Elect Technol, Fac Mech & Elect Engn, Guilin 541004, Peoples R China

[3] Delft Univ Technol, Delft Inst Microsyst & Nanoelect DIMES, NL-2628 CT Delft, Netherlands

[4] TNO IenT, Mat Technol, NL-5612 AP Eindhoven, Netherlands

[5] Philips Lighting, NL-5611 BD Eindhoven, Netherlands

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2013年 / 177卷

关键词：

Nanowire gas sensor; Nanotechnology; Sensing principle; More than Moore; QUARTZ-CRYSTAL MICROBALANCE; AMMONIA SENSING CHARACTERISTICS; ROOM-TEMPERATURE; TOP-DOWN; CHEMICAL SENSORS; BOTTOM-UP; POLYANILINE NANOFIBERS; HYDROGEN SENSORS; ZNO NANOWIRES; LARGE-SCALE;

D O I：

10.1016/j.snb.2012.10.134

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Gas sensors fabricated with nanowires as the detecting elements are powerful due to their many improved characteristics such as high surface-to-volume ratios, ultrasensitivity, higher selectivity, low power consumption, and fast response. This paper gives an overview on the recent process of the development of nanotechnology and nanowire-based gas sensors. The two basic approaches, top-down and bottom-up, for synthesizing nanowires are compared. The conduction mechanisms, sensing performances, configurations, and sensing principles of different nanowire gas sensors and arrays are summarized and discussed. Meanwhile, an emerging nanowires fabrication method and a self-powered nanowire pH sensor are highlighted. The scientific and technological challenges in the field are discussed at the end of the review. (c) 2012 Elsevier B.V. All rights reserved.

引用

页码：178 / 195

页数：18

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