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Supplementary Materials
Electrodeposited MoSx Films Assisted by Liquid Crystal
Template with Ultrahigh Electrocatalytic Activity for
Hydrogen Evolution Reaction
Guan-Qun Han, Xiao Shang, Shan-Shan Lu, Bin Dong*, Xiao Li,
Yan-Ru Liu, Wen-Hui Hu, Jing-Bin Zeng, Yong-Ming Chai*, Chen-Guang Liu
College of Science, State Key Laboratory of Heavy Oil Processing, China University of Petroleum
(East China), Qingdao 266580, PR China
** Corresponding author. Email: [email protected] (B. Dong), ymchai @upc.edu.cn (Y.-M. Chai)
Tel: +86-532-86981376, Fax: +86-532-86981787*
1
Fig. S1 The schematic diagram of the formation of liquid crystal template (LCT).
2
Fig. S2 The photograph of the brown homogeneous LCT, composed of 48 wt% Triton
X-100 and 52 wt% electrolyte.
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Fig. S3 The cyclic voltammogram (CV) curve of MoSx(LCT) in liquid crystal system.
4
Fig. S4 Bode plots of MoSx(LCT) and MoSx(H2O).
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Table S1 Comparison of catalytic performances of MoSx-based materials for HER.
SampleCurrent density j
mA cm-2
Overpotential η at corresponding j
(mV)
Tafel slope (mV dec-1)
Ref.
MoSx(LCT) 10 93 51 This work
O-MoS2 10 258 57 [1]
MoS2
nanoflowers/graphene~30 300 95 [2]
MoS2 nanoparticles/ CNT-graphene hybrid
10 255 100 [3]
Oxygen-Incorporated MoS2
126.5 300 55 [4]
Edge oriented nanoporous MoS2
films on Mo substrate18.6 300 50-72 [5]
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References
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Oriented Stacking along Vertical (002) Planes of MoS2: A Novel Assembling Style to
Enhance Activity for Hydrogen Evolution, Electrochim. Acta 224 (2017) 25-31.
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Zhang, MoS2 nanoflower-decorated reduced graphene oxide paper for high-
performance hydrogen evolution reaction, Nanoscale 6 (2014) 5624-5629.
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17888.
[5] Y. Yang, H. Fei, G. Ruan, C. Xiang, J.M. Tour, Edge-oriented MoS2 nanoporous
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devices, Adv. Mater. 26 (2014) 8163-8168.
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