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Highly Selective Sensing of CO, C₆H₆, and C₇H₈ Gases by Catalytic Functionalization with Metal NanoparticlesHighly Selective Sensing of CO, C6H6, and C7H8 Gases by Catalytic Functionalization with Metal Nanoparticles
- Other Titles
- Highly Selective Sensing of CO, C6H6, and C7H8 Gases by Catalytic Functionalization with Metal Nanoparticles
- Authors
- Kim, Jae-Hun; Wu, Ping; Kim, Hyoun Woo; Kim, Sang Sub
- Issue Date
- Mar-2016
- Publisher
- American Chemical Society
- Keywords
- selective sensing gas; metal functionalization; catalyst; d-band; theory
- Citation
- ACS Applied Materials & Interfaces, v.8, no.11, pp 7173 - 7183
- Pages
- 11
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- ACS Applied Materials & Interfaces
- Volume
- 8
- Number
- 11
- Start Page
- 7173
- End Page
- 7183
- ISSN
- 1944-8244
1944-8252
- Abstract
- 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.
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Related Researcher
- Kim, Hyoun Woo
- COLLEGE OF ENGINEERING (SCHOOL OF MATERIALS SCIENCE AND ENGINEERING)