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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.8b02530
|2 doi
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|a pubmed24n0958.xml
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Hou, Dan
|e verfasserin
|4 aut
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|a Mesoporous Mo2C/Carbon Hybrid Nanotubes Synthesized by a Dual-Template Self-Assembly Approach for an Efficient Hydrogen Production Electrocatalyst
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 15.11.2018
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|a Date Revised 15.11.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Molybdenum carbide-containing nanomaterials have drawn considerable attention in the application of hydrogen production electrocatalysts in light of the high abundance, low cost, and Pt-like electronic structure of molybdenum carbide. In this article, we report the synthesis of one-dimensional (1D) Mo2C/carbon mesoporous nanotubes (Mo2C/C PNTs) through a dual-template self-assembly approach, which employs 1D MoO3 nanobelts as the structure-directing template as well as one of the Mo2C precursors, along with block copolymer (BCP) micelles as the pore-forming template. In aqueous solution, the interface self-assembly of the micelles with pyrrole (Py) molecules absorbed in the PEO domains leads to the tight arrangement of the micelles on the surfaces of the MoO3 nanobelts. The polymerization of Py and the subsequent pyrolysis at 800 °C under a nitrogen atmosphere yield Mo2C/C PNTs with well-defined mesopores. Among the resultant Mo2C/C PNT samples, Mo2C/C PNTs with a specific surface area of 69 m2/g, a N atom percentage of 5.5 atom %, and an optimum Mo2C content of 40 wt % exhibit the highest HER catalytic performance in 0.5 M H2SO4 electrolyte, with a low onset potential of 34 mV, a satisfied overpotential of 140 mV at 10 mA/cm2, and excellent cycling stability. This study not only opens an avenue toward new Mo2C-containing nanomaterials but also provides a new system for the fundamental study on 1D porous nanohybrids with potential applications as hydrogen production electrocatalysts
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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1 |
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|a Zhang, Jiacheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Qian
|e verfasserin
|4 aut
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|a Zhang, Pengfei
|e verfasserin
|4 aut
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|a Chen, Chuanshuang
|e verfasserin
|4 aut
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|a Yan, Deyue
|e verfasserin
|4 aut
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| 700 |
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|a Mai, Yiyong
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 34(2018), 37 vom: 18. Sept., Seite 10924-10931
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:34
|g year:2018
|g number:37
|g day:18
|g month:09
|g pages:10924-10931
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|u http://dx.doi.org/10.1021/acs.langmuir.8b02530
|3 Volltext
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