Preparation and properties of cotton stalk carbon/gold nanoparticles composite

文献类型： 外文期刊

第一作者： WenKun Zhu;;Meng Kuang

作者： WenKun Zhu;Meng Kuang;Shoujun Wei;Tao Duan;Yanqin Wang;Dayun Zhou;Lei Ma;Dan Fang;Jian Zhou;Weihua Yang

作者机构：

关键词： cotton stalk;CS carbon;AuNPs hybrid materials;photothermal conversion properties

期刊名称：JOURNAL OF EXPERIMENTAL NANOSCIENCE （ 影响因子：3.075； 五年影响因子：3.269 ）

ISSN： 1745-8080

年卷期： 2016 年 11 卷 7 期

页码：

收录情况： SCI

摘要： In this paper, cotton stalk is used as a low-cost raw material source to prepare activated carbon with a unique porous structure with the assistance of chemical treatment. Gold nanoparticles as a multifunction building block were in situ assembled onto the carbon material, endowing this hybrid more promising applications. The as-fabricated CS carbon/AuNPs hybrid materials have been demonstrated to behave with catalytic and photothermal conversion properties, indicating that AuNPs successfully functionalise the activated carbon. The catalytic activity of the hybrid showed a glucose concentration-dependent effect (as low as 5x 10(-6) M). The water temperature of the sample containing the CS carbon/Au NPs increased rapidly, and even reached 55 degrees C, only exposed to light for 5 min. When used as catalyst of reduction of p-nitrophenol, the hybrid showed a good reusability up to10 cycles.

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