Facile synthesis of MoS2/rGO-MOF hybrid material as highly efficient catalyst for hydrogen evolution

Facile synthesis of MoS2/rGO-MOF hybrid material as highly efficient catalyst for hydrogen evolution
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轻松合成MoS2/rGO-MOF杂化材料作为高效析氢催化剂

DOI:
10.1016/j.matlet.2018.01.123
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发表时间:
2018-04
期刊:
影响因子:
3
通讯作者:
Liu Lihong
Liu Lihong
中科院分区:
材料科学3区
文献类型:
--
作者:
Zhu Chuanping;Wang Kunchan;Lei Ting;Xiao Tao;Liu Lihong

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采用水热-溶剂热两步法将MoS 2负载于铜中心金属有机骨架(Cu-MOF)和氧化石墨烯(GO)杂化材料表面,制备了MoS 2/rGO-MOF杂化材料,作为高效的析氢电催化剂。所得MoS 2/rGO-MOF杂化催化剂表现出优异的电催化HER活性,具有60 mV的小起始过电位和36 mV decade−1的低塔菲尔斜率。催化活性的增强归因于GO-MOF混合物的介孔结构带来的更高比表面积以及MoS 2纳米片与GO-MOF基质之间的协同效应。
MoS2/rGO-MOF hybrid material as a highly effective electrocatalyst for hydrogen evolution reaction (HER) has been synthesized by a two-step hydro- and solvothermal process by loading MoS2on the surface of copper-centered metal organic framework (Cu-MOF) and graphene oxide (GO) hybrid. The obtained MoS2/rGO-MOF hybrid catalyst exhibits an excellent electrocatalytic HER activity with small onset overpotential of 60 mV and a low Tafel slope of 36 mV decade−1. The enhancement of catalytic activities was ascribed to the higher specific surface area beneficial from the mesoporous structure of GO-MOF hybrid and synergetic effect between MoS2nanosheets and GO-MOF matrix.
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