화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.67, 486-496, November, 2018
DOI10.1016/j.jiec.2018.07.023  Export Citation
Bimetallic Pd@Ni-mesoporous TiO2 nanocatalyst for highly improved and selective hydrogenation of carbonyl compounds under UV light radiation
Aadil Bathla, and Bonamali Pal†
  • School of Chemistry and Biochemistry, Thapar Institute of Engineering & Technology, Patiala 147004, India
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Bimetallic Pd@Ni nanostructure exhibited enhanced co-catalytic activity for the selective hydrogenation of benzaldehyde compare to their monometallic counterparts. Impregnation of these mono/bimetallic nanostructures on mesoporous TiO2 leads to several surface modifications. The bimetallic PNT-3 (Pd3@Ni1/mTiO2) exhibited large surface area (212 m2 g 1), and low recombination rate of the charge carriers (e -h+). The hydrogenation reaction was analyzed under controlled experiments. It was observed that under UV-light irradiations and saturated hydrogen atmosphere the bimetallic PNT-3 photocatalyst display higher rate constant k = 5.31 10 1 h 1 owing to reduction in the barrier height which leads to efficiently transfer of electron at bimetallic/mTiO2 interface.
Keywords:Bimetallic-nanocatalyst;Co-catalytic activity;Mesoporous TiO2;Pd@Ni/mTiO2 nanocomposites;Photo-catalytic hydrogenation
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