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题名: Surfactant-assisted hydrothermally synthesized MoS2 samples with controllable morphologies and structures for anthracene hydrogenation
作者: Li, Min1, 2, 3;  Wang, Donge2;  Li, Jiahe2, 3;  Pan, Zhendong2;  Ma, Huaijun2;  Jiang, Yuxia2, 3;  Tian, Zhijian2, 4;  Lu, Anhui1
关键词: Molybdenum sulfide ;  Surfactant-assisted ;  Controllable morphology ;  Mono-dispersed ;  Active edges ;  Anthracene hydrogenation
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2017-03-01
DOI: 10.1016/S1872-2067(17)62779-7
卷: 38, 期:3, 页:597-606
收录类别: SCI ;  ISTP
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: MoS2 samples with controllable morphologies and structures were synthesized using surfactant assisted hydrothermal processes. The effects of surfactants (PEG, PVP, P123, SDS, AOT, and CTAB) on the morphologies and structures of MoS2 samples were investigated. The results revealed that spherical, bulk-like, and flower-like MoS2 particles assembled by NH4+-intercalated MoS2 nano-sheets were synthesized. The morphologies of the MoS2 samples and their structures (including the slab length and the number of stacked layers) of MoS2 nano-sheets in these samples could be controlled by adjusting the surfactants. Mono-dispersed spherical MoS2 particles could be synthesized with PEG via the creation of MoS2 nano-sheets with slab lengths shorter than 15 nm and fewer than six stacked layers. Possible formation mechanisms of these MoS2 samples created via surfactant -assisted hydrothermal processes are proposed. Further, the catalytic activities of MoS2 samples for anthracene hydrogenation were evaluated in a slurry-bed reactor. The catalyst synthesized with the surfactant PEG exhibited the highest catalytic hydrogenation activity. Compared with the other catalysts, it had a smaller particle size, mono-dispersed spherical morphology, shorter slab length, and fewer stacked layers; these were all beneficial to exposing its active edges. This work provides an efficient approach to synthesize transition metal sulfides with controllable morphologies and structures. (C) 2017, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
关键词[WOS]: LI-ION BATTERIES ;  2-DIMENSIONAL NANOSHEETS ;  CATALYTIC PERFORMANCE ;  MOLYBDENUM-DISULFIDE ;  ULTRATHIN NANOSHEETS ;  LITHIUM STORAGE ;  EVOLUTION ;  EXFOLIATION ;  NANOSTRUCTURES ;  NANOCATALYSTS
语种: 英语
WOS记录号: WOS:000400125100022
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/151982
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Univ Technol, Sch Chem Engn, State Key Lab Fine Chem, Dalian 116024, Liaoning, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Liaoning, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.ChiZhendong Nese Acad Sci, Dalian Inst Chem Phys, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Li, Min,Wang, Donge,Li, Jiahe,et al. Surfactant-assisted hydrothermally synthesized MoS2 samples with controllable morphologies and structures for anthracene hydrogenation[J]. CHINESE JOURNAL OF CATALYSIS,2017,38(3):597-606.
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