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题名: MoSe2 porous microspheres comprising monolayer flakes with high electrocatalytic activity
作者: Zhang, YJ(张叶俊); Gong, QF; Li, L(李轮); Yang, HC(杨红超); Li, YG; Wang, QB(王强斌)
通讯作者: Wang, QB (王强斌)
关键词: MoSe2 ; transition-metal chalcogenides ; porous microspheres ; monolayer flakes ; electrocatalytic activity
刊名: NANO RESEARCH
发表日期: 2015
DOI: 10.1007/s12274-014-0590-0
卷: 8, 期:4, 页:8
收录类别: SCI
部门归属: 纳米研究国际实验室
英文摘要: A facile colloidal route to synthesize MoSe2 porous microspheres with diameters of 400-600 nm made up of MoSe2 monolayer flakes (similar to 0.7 nm in thickness) is reported. The solvents trioctylamine (TOA) and oleylamine (OAM) are found to play important roles in the formation of MoSe2 microspheres, whereby TOA determines the three-dimensional (3D) microspherical morphology and OAM directs the formation of MoSe2 monolayer flakes. The robust 3D MoSe2 microspheres exhibit remarkable activity and durability for the electrocatalytic hydrogen evolution reaction (HER) in acid, maintaining a small onset overpotential of similar to 77 mV and keeping a small overpotential of 100 mV for a current density of 5 mA/cm(2) after 1,000 cycles. In addition, similar 3D WSe2 microspheres can also be prepared by using this method. We expect this facile colloidal route could further be expanded to synthesize other porous structures which will find applications in fields such as in energy storage, catalysis, and sensing.
语种: 英语
JCR小类分区: 一区
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内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/3396
Appears in Collections:纳米生物医学与安全研究部_王强斌团队_期刊论文

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Recommended Citation:
Zhang, YJ,Gong, QF,Li, L,et al. MoSe2 porous microspheres comprising monolayer flakes with high electrocatalytic activity[J]. NANO RESEARCH,2015,8(4):8.
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