화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.61, 87-96, May, 2018
DOI10.1016/j.jiec.2017.12.004  Export Citation
Design of ternary hybrid ATO/g-C3N4/TiO2 nanocomposite for visible-light-driven photocatalysis
Devi Prashad Ojha1, Hem Prakash Karki1, and Han Joo Kim1, 2, †
  • 1Department of Convergence Technology Engineering, Chonbuk National University, Jeonju 561-756, Republic of Korea
  • 2Eco-friendly Machine Parts Design Center, Chonbuk National University, Jeonju 561-756, Republic of Korea
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Antimony-doped tin oxide (ATO) nanoparticles with an average size of ~8 nm were prepared by co-precipitation and subsequent heat-treatment. A series of ATO/g-CN/TiO2 composites with various ATO contents were successfully prepared by sol.gel method. The composites were characterized using N2 adsorption/desorption (BET), X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), transmission electron microscopy (TEM) and Fourier transform infrared spectroscopy (FTIR). The results indicated that the highest photocatalytic performance is obtained with the incorporation of ATO and g-CN nanoparticles with TiO2. BET surface area, PL spectra, and CV measurements were presented to further study the mechanism of the photoactivity. The superior performance of the ATO/g-CN/TiO2 nanocomposite photocatalyst may be attributed to the high surface area charge-carrier transport medium, a higher carrier transfer rate and lower recombination rate.
Keywords:Antimony-doped tin oxide (ATO);Graphitic carbon nitride (g-CN);Photocatalyst;Methylene blue (MB);Titanium dioxide (TiO2)
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