논문 해외 국제전문학술지(SCI급) Characterization of Graphene Oxide Thin Film according to heat Treatment Condition for the Selective VOCs Sensing
- 학술지 구분 국제전문학술지(SCI급)
- 게재년월 2014-10
- 저자명 Jin Chul Joo, Ho Sang Ahn, Byung Kwon Jung, Jae Ro Park
- 학술지명 Applied Mechanics and Materials
- 발행처명 Trans Tech Publications Ltd
- 발행국가 해외
- 논문언어 외국어
- 연구분야 공학 > 환경공학
- 원문 링크 https://doi.org/10.4028/www.scientific.net/AMM.627.40
홈페이지논문 초록 (Abstract)
Graphene oxide (GO) thin films were fabricated into thin film sensor for the selective VOCs detection. Different concentrations of GO aqueous solutions (6.2g/L and 5.0 g/L) were tested and thermally treated to obtain the appropriate sensing layer in terms of specific surface area and functional group. For the selectivity, it was assumed that different numbers and types of attached functional group of GO could induce the difference in gas adsorption, which may consequently derive to the selective VOCs detection. FE-SEM, XRD, and FTIR were utilized to characterize crystalline phase and functional group change by heat treatment condition and resistance measurements were followed. We suggest that thermally treated GO thin film sensor can be the alternative approach to achieve the improved selectivity in multiple gas detection by controlling the degree of gas adsorption.