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题名:
Uniform Au@Pt core-shell nanodendrites supported on molybdenum disulfide nanosheets for the methanol oxidation reaction
作者: Su, S; Zhang, C; Yuwen, LH; Liu, XF; Wang, LH; Fan, CH; Wang, LH
刊名: NANOSCALE
出版日期: 2016
卷号: 8, 期号:1, 页码:602—608
关键词: METAL DICHALCOGENIDE NANOSHEETS ; OXYGEN REDUCTION REACTION ; FEW-LAYER MOS2 ; ELECTROCATALYTIC ACTIVITY ; SINGLE-LAYER ; 2-DIMENSIONAL NANOMATERIALS ; BIMETALLIC NANODENDRITES ; GOLD NANOPARTICLES ; SIZE CONTROL ; PD
DOI: 10.1039/c5nr06077j
通讯作者: Su, S (reprint author), Nanjing Univ Posts & Telecommun, Key Lab Organ Elect & Informat Displays, Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, Nanjing 210023, Jiangsu, Peoples R China.
文章类型: 期刊文献
英文摘要: Herein, we presented a facile seeded growth method to prepare high-quality three-dimensional (3D) Au@Pt bimetallic nanodendrite-decorated molybdenum disulfide (MoS2) nanosheets (Au@Pt/MoS2). Transmission electron microscopy (TEM) and high-resolution TEM exhibited that Au@Pt core-shell nanostructures were dispersed onto the surface of MoS2 nanosheets. More importantly, the thickness of the Pt shell of the Au@Pt bimetallic nanodendrites on the surface of the MoS2 nanosheets could be easily tuned via simply changing the synthesis parameters, such as the concentration of H2PtCl6, reaction time and temperature, which greatly influence the catalytic ability of Au@Pt/MoS2 nanohybrids. Both cyclic voltammetry (CV) and chronoamperometry (CA) demonstrated that the as-prepared Au@Pt/MoS2 nanohybrids possessed much higher electrocatalytic activity and stability than Pt/MoS2 or commercial Pt/C catalyst. The peak current mass density of the selected Au@Pt/MoS2 was 6.24 A mg(-1), which was 3389 and 20.3 times those of Pt/C (0.00184 A mg(-1)) and Pt/MoS2 (0.307 A mg(-1)), respectively. The presented method may be a facile approach for the synthesis of MoS2-supported bimetallic nanocomposites, which is significant for the development of high performance MoS2-based sensors and catalysts.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000366911700063
ISSN号: 2040-3364
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25885
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Su, S,Zhang, C,Yuwen, LH,et al. Uniform Au@Pt core-shell nanodendrites supported on molybdenum disulfide nanosheets for the methanol oxidation reaction[J]. NANOSCALE,2016-01-01,8(1):602—608.
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