DICP OpenIR
Facile hydrothermal synthesis of MoS2 nano-sheets with controllable structures and enhanced catalytic performance for anthracene hydrogenation
Li, Min1,2,3; Wang, Donge1; Li, Jiahe1,2; Pan, Zhendong1; Ma, Huaijun1; Jiang, Yuxia1,2; Tian, Zhijian1,4
Source PublicationRSC ADVANCES
2016
ISSN2046-2069
DOI10.1039/c6ra16084k
Volume6Issue:75Pages:71534-71542
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Multidisciplinary
WOS Research AreaChemistry
WOS KeywordACTIVE EDGE SITES ; MOLYBDENUM SULFIDE CATALYSTS ; LI-ION BATTERIES ; ULTRATHIN NANOSHEETS ; LAYERED MOS2 ; MS2 M ; DISULFIDE ; EVOLUTION ; HYDRODESULFURIZATION ; INTERCALATION
AbstractMoS2 nano-sheets with controllable structures were prepared using a hydrothermal method. Effects of crystallization time, temperature and pH of the precursor solution on the structures, components and morphologies of MoS2 nano-sheets were investigated. MoS2 nano-sheets were characterized using XRD, Raman, elemental analysis, TG/DTG, SEM, and HRTEM. The characterization results show that intercalated MoS2, intermediate MoS2 with intercalated and semi-crystallized structures, and well crystallized hexagonal MoS2 (denoted as 2H-MoS2) were prepared by varying crystallization conditions, especially crystallization time. Intercalated MoS2 possesses rich active sites and poor crystallinity. 2H-MoS2 demonstrates high crystallinity but few active sites. As a transition structure during the crystallization process from intercalated MoS2 to 2H-MoS2, intermediate MoS2 simultaneously possesses rich active sites and good crystallinity. The possible growth mechanism of MoS2 nano-sheets in the hydrothermal process was proposed. The catalytic activities of MoS2 nano-sheets with various structures were evaluated by anthracene hydrogenation. The evaluation results show that intermediate MoS2 exhibits optimized catalytic activities of anthracene hydrogenation, which can be ascribed to the abundant active sites and desired stability of intermediate MoS2. This work may provide theoretic guidance for creating active sites and tuning catalyst structure for the controllable synthesis of layered transition metal sulfides with high catalytic activities.
Language英语
WOS IDWOS:000381513100097
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:27[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/170275
Collection中国科学院大连化学物理研究所
Corresponding AuthorTian, Zhijian
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Dalian Univ Technol, State Key Lab Fine Chem, Linggong Rd 2, Dalian 116024, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Li, Min,Wang, Donge,Li, Jiahe,et al. Facile hydrothermal synthesis of MoS2 nano-sheets with controllable structures and enhanced catalytic performance for anthracene hydrogenation[J]. RSC ADVANCES,2016,6(75):71534-71542.
APA Li, Min.,Wang, Donge.,Li, Jiahe.,Pan, Zhendong.,Ma, Huaijun.,...&Tian, Zhijian.(2016).Facile hydrothermal synthesis of MoS2 nano-sheets with controllable structures and enhanced catalytic performance for anthracene hydrogenation.RSC ADVANCES,6(75),71534-71542.
MLA Li, Min,et al."Facile hydrothermal synthesis of MoS2 nano-sheets with controllable structures and enhanced catalytic performance for anthracene hydrogenation".RSC ADVANCES 6.75(2016):71534-71542.
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