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Preparation and properties of cotton stalk carbon/gold nanoparticles composite

文献类型： 外文期刊

作者： Zhu, WenKun 1 ; Kuang, Meng 1 ; Wei, Shoujun 1 ; Duan, Tao 1 ; Wang, Yanqin 1 ; Zhou, Dayun 1 ; Ma, Lei 1 ; Fang, Dan 1 ; Zhou, Jian 1 ; Yang, Weihua 1 ;

作者机构： 1.Joint Laboratory for Extreme Conditions Matter Properties, Southwest University of Science and Technology and Research Center of Laser Fusion, CAEP, Mianyang, PR China

2.State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agriculture Sciences, Anyang, PR China

3.Engineering Research Center of Biomass Materials, Ministry of Education, Mianyang, Sichuan, PR China

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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