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Speaker-Ding Wang

Ding Wang
University of Shanghai for Science and Technology
Ding Wang received his Master degree in inorganic chemsitry from Shanghai University and PhD degree in nano-functional materials in 2013 from Toyama University in Japan. He is Japanese Government (MONBUKAGAKUSHO: MEXT) Scholarship winners. Now, he was a teacher of University of Shanghai for Science & Technology. His research interests focused on sensing materials and catalysis.
Title:Pt Nanocatalysts Supported on Reduced Graphene Oxide for Conversion of Biomass
SymposiumB13 Catalyst
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Abstract

Pt nanocatalysts loaded on reduced graphene oxide (Pt/RGO) were prepared by means of a convenient microwave-assisted reduction approach with ethylene glycol as reductant.[1] The conversion of cellulose or cellobiose into sorbitol was used as an application reaction to investigate their catalytic performance. Various metal nanocatalysts loaded on RGO were compared and RGO-supported Pt exhibited the highest catalytic activity with 91.5% of sorbitol yield from cellobiose. The catalytic performances of Pt nanocatalysts supported on different carbon materials or on silica support were also compared. The results showed that RGO was the best catalyst support, and the yield of sorbitol was as high as 91.5% from cellobiose and 58.9% from cellulose, respectively. The improvement of catalytic activity was attributed to the appropriate Pt particle size and hydrogen spillover effect of Pt/RGO catalyst. Interestingly, the size and dispersion of supported Pt particles could be easily regulated by convenient adjustment of the microwave heating temperature. The catalytic performance was found to initially increase and then decrease with increasing particle size. The optimum Pt particle size was 3.6 nm. These findings may offer useful guidelines for designing novel catalysts with beneficial catalytic performance for biomass conversion.[2]

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E-mail: meeting@c-gia.org

Abstract: Minyang Lu

Sponsor: Wenyang Yang

Media: Liping Wang

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