<P>Carbon nanotubes (CNT) are extremely sensitive to environmental gases. However, detection of mixture gas is still a challenge. Here, we report that 10 ppm of carbon monoxide (CO) and ammonia (NH<SUB>3</SUB>) can be electrically de...
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https://www.riss.kr/link?id=A107672907
2013
-
SCOPUS
학술저널
12-12(1쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>Carbon nanotubes (CNT) are extremely sensitive to environmental gases. However, detection of mixture gas is still a challenge. Here, we report that 10 ppm of carbon monoxide (CO) and ammonia (NH<SUB>3</SUB>) can be electrically de...
<P>Carbon nanotubes (CNT) are extremely sensitive to environmental gases. However, detection of mixture gas is still a challenge. Here, we report that 10 ppm of carbon monoxide (CO) and ammonia (NH<SUB>3</SUB>) can be electrically detected using a carboxylic acid-functionalized single-walled carbon nanotubes (C-SWCNT). CO and NH<SUB>3</SUB> gases were mixed carefully with the same concentrations of 10 ppm. Our sensor showed faster response to the CO gas than the NH<SUB>3</SUB> gas. The sensing properties and effect of carboxylic acid group were demonstrated, and C-SWCNT sensors with good repeatability and fast responses over a range of concentrations may be used as a simple and effective detection method of CO and NH<SUB>3</SUB> mixture gas.</P>
CuO hollow nanosphere-catalyzed cross-coupling of aryl iodides with thiols