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Solvent-Assisted Oxygen Incorporation of Vertically Aligned MoS2 Ultrathin Nanosheets Decorated on Reduced Graphene Oxide for Improved Electrocatalytic Hydrogen Evolution
Liu AP; Zhao L; Zhang JM; Lin LX; Wu HP; Liu, AP (reprint author), Zhejiang Sci Tech Univ, Ctr Optoelect Mat & Devices, Hangzhou 310018, Zhejiang, Peoples R China.
Source PublicationACS APPLIED MATERIALS & INTERFACES
2016
Volume8Issue:38Pages:25210-25218
ISSN1944-8244
AbstractThree-dimensional oxygen-incorporated MoS2 ultrathin nanosheets decorated on reduced graphene oxide (O-MoS2/rGO) had been successfully fabricated through a facile solvent-assisted hydrothermal method. The origin of the incorporated oxygen and its incorporation mechanism into MoS2 were carefully investigated. We found that the solvent N,N-dimethylformamide (DMF) was the key as the reducing agent and the oxygen donor, expanding interlayer spaces and improving intrinsic conductivity of MoS2 sheets (modulating its electronic structure and vertical edge sites). These O dopants, vertically aligned edges and decoration with rGO gave effectively improved double-layer capacitance and catalytic performance for hydrogen evolution reaction (HER) of MoS2. The prepared O-MoS2/rGO catalysts showed an exceptional small Tafel slope of 40 mV/decade, a high current density of 20 mA/cm(2) at the overpotential of 200 mV and remarkable stability even after 2000th continuous HER test in the acid media.
KeywordOxygen Incorporation Vertically Aligned Mos2 Nanosheets Graphene Oxide Hydrogen Evolution Electrochemistry
DOI10.1021/acsami.6b06031
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000384518500030
WOS Keywordoxygen incorporation ; vertically aligned ; MoS2 nanosheets ; graphene oxide ; hydrogen evolution ; electrochemistry
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
Funding OrganizationThis work was supported by the National Natural Science Foundation of China (Nos. 51272237, 51572242 and 11372280), the Zhejiang Provincial Natural Science Foundation of China (No. LY16E020011), the 521 Talent Project of Zhejiang Sci-Tech University, the Program for Innovative Research Team of Zhejiang Sci-Tech University (No. 15010039-Y) and the Opening Fund of State Key Laboratory of Nonlinear Mechanics.
Department其他
Classification一类
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59705
Collection非线性力学国家重点实验室
Corresponding AuthorLiu, AP (reprint author), Zhejiang Sci Tech Univ, Ctr Optoelect Mat & Devices, Hangzhou 310018, Zhejiang, Peoples R China.
Recommended Citation
GB/T 7714
Liu AP,Zhao L,Zhang JM,et al. Solvent-Assisted Oxygen Incorporation of Vertically Aligned MoS2 Ultrathin Nanosheets Decorated on Reduced Graphene Oxide for Improved Electrocatalytic Hydrogen Evolution[J]. ACS APPLIED MATERIALS & INTERFACES,2016,8(38):25210-25218.
APA Liu AP,Zhao L,Zhang JM,Lin LX,Wu HP,&Liu, AP .(2016).Solvent-Assisted Oxygen Incorporation of Vertically Aligned MoS2 Ultrathin Nanosheets Decorated on Reduced Graphene Oxide for Improved Electrocatalytic Hydrogen Evolution.ACS APPLIED MATERIALS & INTERFACES,8(38),25210-25218.
MLA Liu AP,et al."Solvent-Assisted Oxygen Incorporation of Vertically Aligned MoS2 Ultrathin Nanosheets Decorated on Reduced Graphene Oxide for Improved Electrocatalytic Hydrogen Evolution".ACS APPLIED MATERIALS & INTERFACES 8.38(2016):25210-25218.
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