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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202000455
|2 doi
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|a pubmed25n1025.xml
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|a (DE-627)NLM307618730
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|a (NLM)32173914
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|a DE-627
|b ger
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|a eng
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|a Yang, Ganceng
|e verfasserin
|4 aut
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|a Interfacial Engineering of MoO2 -FeP Heterojunction for Highly Efficient Hydrogen Evolution Coupled with Biomass Electrooxidation
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|c 2020
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|a Text
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Simultaneous highly efficient production of hydrogen and conversion of biomass into value-added products is meaningful but challenging. Herein, a porous nanospindle composed of carbon-encapsulated MoO2 -FeP heterojunction (MoO2 -FePC) is proposed as a robust bifunctional electrocatalyst for hydrogen evolution reaction (HER) and biomass electrooxidation reaction (BEOR). X-ray photoelectron spectroscopy analysis and theoretical calculations confirm the electron transfer from MoO2 to FeP at the interfaces, where electron accumulation on FeP favors the optimization of H2 O and H* absorption energies for HER, whereas hole accumulation on MoO2 is responsible for improving the BEOR activity. Thanks to its interfacial electronic structure, MoO2 -FeP@C exhibits excellent HER activity with an overpotential of 103 mV at 10 mA cm-2 and a Tafel slope of 48 mV dec-1 . Meanwhile, when 5-hydroxymethylfurfural is chosen as the biomass for BEOR, the conversion is almost 100%, and 2,5-furandicarboxylic acid (FDCA) is obtained with the selectivity of 98.6%. The electrolyzer employing MoO2 -FeP@C for cathodic H2 and anodic FDCA production requires only a low voltage of 1.486 V at 10 mA cm-2 and can be powered by a solar cell (output voltage: 1.45 V). Additionally, other BEORs coupled with HER catalyzed by MoO2 -FeP@C also have excellent catalytic performance, implying their good versatility
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|a Journal Article
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|a biomass electrooxidation
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|a electron transfer
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|a heterojunctions
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|a hydrogen evolution
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4 |
|a porous nanospindles
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|a Jiao, Yanqing
|e verfasserin
|4 aut
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|a Yan, Haijing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xie, Ying
|e verfasserin
|4 aut
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|a Wu, Aiping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dong, Xue
|e verfasserin
|4 aut
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| 700 |
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|a Guo, Dezheng
|e verfasserin
|4 aut
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|a Tian, Chungui
|e verfasserin
|4 aut
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| 700 |
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|a Fu, Honggang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 17 vom: 01. Apr., Seite e2000455
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:32
|g year:2020
|g number:17
|g day:01
|g month:04
|g pages:e2000455
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|u http://dx.doi.org/10.1002/adma.202000455
|3 Volltext
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