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Supplementary Materials Electrodeposited MoS x 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

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Page 1: ars.els-cdn.com  · Web viewSupplementary Materials. Electrodeposited . MoS. x. Films Assisted by Liquid Crystal Template with Ultrahigh . Electrocatalytic. Activity for Hydrogen

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*

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Page 2: ars.els-cdn.com  · Web viewSupplementary Materials. Electrodeposited . MoS. x. Films Assisted by Liquid Crystal Template with Ultrahigh . Electrocatalytic. Activity for Hydrogen

Fig. S1 The schematic diagram of the formation of liquid crystal template (LCT).

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Page 3: ars.els-cdn.com  · Web viewSupplementary Materials. Electrodeposited . MoS. x. Films Assisted by Liquid Crystal Template with Ultrahigh . Electrocatalytic. Activity for Hydrogen

Fig. S2 The photograph of the brown homogeneous LCT, composed of 48 wt% Triton

X-100 and 52 wt% electrolyte.

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Page 4: ars.els-cdn.com  · Web viewSupplementary Materials. Electrodeposited . MoS. x. Films Assisted by Liquid Crystal Template with Ultrahigh . Electrocatalytic. Activity for Hydrogen

Fig. S3 The cyclic voltammogram (CV) curve of MoSx(LCT) in liquid crystal system.

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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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