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ChemiBlock transducers

delete2007-01-01
delete9
PRE
AI
D
D.J. Mascaro
J
Jamie C. Baxter
A
Aaron Halvorsen
K
K. White
B
Bernd Scholz
D
Douglas L. Schulz *
DOI:10.1016/j.snb.2006.02.025delete
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摘要

摘要

En 中文
The first chemical gas transducers that employ NanoBlock((R)) substrates are described. The sensing material, a carbon black/polymer composite, is deposited onto pre-patterned silicon wafers. Subsequent processing steps yield transducers with a small form factor (1.05 mm x 1.05 mm). These so termed ChemiBlocks exhibit response times t(90) < 3 s and recovery times t(10) < 15 s when exposed to the nerve gas simulant dimethyl methylphosphonate. Although only one composite composition is employed in this study, the extension to array-based differentiation of target analytes and interferents is anticipated to be straightforward given the maturity of C-black/polymer composite sensor technology. ChemiBlock transducers are well suited for application in radio-frequency microsensor systems that are currently under development. (c) 2006 Elsevier B.V. All rights reserved.
Keyword:
chemiresistor
gas sensor
carbon black
polymer composite
fluidic self-assembly
NanoBlock
wireless microsensor system
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期刊

Sensors and Actuators B-Chemical 封面图
Sensors and Actuators B-Chemical
IF:
7.7
论文数:
3.4W
被引数:
12.6W

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