Yolk鈥揝hell Nanoarchitectures with a Ru-Containing Core and a Radially Oriented Mesoporous Silica Shell: Facile Synthesis and Application for One-Pot Biomass Conversion by Combining with Enzyme

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• 作者：Wei Wei ; Yu Zhao ; Shichao Peng ; Haoyang Zhang ; Yipeng Bian ; Hexing Li ; Hui Li
• 刊名：ACS Applied Materials & Interfaces
• 出版年：2014
• 出版时间：December 10, 2014
• 年：2014
• 卷：6
• 期：23
• 页码：20851-20859
• 全文大小：623K
• ISSN：1944-8252

文摘

In this paper, we develop a facile strategy for fabricating a yolk鈥搒hell structured catalytic system that consists of a core made of Ru supported on mesoporous carbon, which is encaged within a silica shell that has ordered radial mesochannels. A region-selective etching mechanism for the formation of the yolk鈥搒hell nanoarchitectures is proposed based on the stronger adsorption ability of the carbon core for etching agent than that of the silica shell for etching agent. By combining such material with amyloglucosidase, one-pot hydrolysis鈥揾ydrogenation of dextrin to sorbitol can be conducted, delivering enhanced efficiency and showing great promise for biomass conversion applications.

Keywords:

yolk鈭抯hell nanostructure; mesoporous material; metallic catalysis; enzymatic catalysis; biomass conversion; sorbitol