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Highly Selective Sensing of CO, C₆H₆, and C₇H₈ Gases by Catalytic Functionalization with Metal Nanoparticles
Highly Selective Sensing of CO, C6H6, and C7H8 Gases by Catalytic Functionalization with Metal Nanoparticles
- Kim, Jae-Hun;
- Wu, Ping;
- Kim, Hyoun Woo;
- Kim, Sang Sub
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88Citations
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90초록
We have fabricated multiple networked SnO₂ nanowires and subsequently decorated-them with uniformly distributed metal nanoparticles (NPs). The sensing tests indicated that the Pt-, Pd-, and Au-decorated SnO₂ nanowires exhibited excellent sensing behavior, specifically for C₇H₈, C₆H₆, and CO gases, respectively. We discussed the associated sensing mechanisms in regard to the selective catalytic effects of metal NPs. In addition, by means of d-band theory, we explained the catalytic capabilities of each metal and proposed design principles for exploring new catalytic metals. The present study will pave the way for further development of high-selectivity sensors.
키워드
selective sensing gas; metal functionalization; catalyst; d-band; theory; SNO2 NANOWIRES; SIGNIFICANT ENHANCEMENT; SURFACE-CHEMISTRY; CARBON-MONOXIDE; ZNO NANOWIRES; LUNG-CANCER; BENZENE; TOLUENE; ADSORPTION; SENSORS
- 제목
- Highly Selective Sensing of CO, C₆H₆, and C₇H₈ Gases by Catalytic Functionalization with Metal Nanoparticles
- 제목 (타언어)
- Highly Selective Sensing of CO, C6H6, and C7H8 Gases by Catalytic Functionalization with Metal Nanoparticles
- 저자
- Kim, Jae-Hun; Wu, Ping; Kim, Hyoun Woo; Kim, Sang Sub
- 발행일
- 2016-03
- 유형
- Article
- 권
- 8
- 호
- 11
- 페이지
- 7173 ~ 7183