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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c00375
|2 doi
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|a pubmed25n1185.xml
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|a (NLM)37079763
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|a DE-627
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|a eng
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|a Xu, Xiaoting
|e verfasserin
|4 aut
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|a Preparation of CoFe2O4-Doped TiO2 Nanofibers by Electrospinning and Annealing for Oxygen Electrocatalysis
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|c 2023
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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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|a Date Completed 02.05.2023
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|a Date Revised 02.05.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a In this paper, catalyst precursor fibers were prepared by a sol gel method combined with an electrospinning method using tetrabutyl titanate as a titanium source, cobalt acetylacetonate as a cobalt source, and iron acetylacetonate as an iron source. CoFeTiO2 nanofibers (NFs) with a bimetallic spinel structure were formed after thermal annealing, which have dual-functional catalytic activity. With the molar ratio of Co and Fe coming to 1:1, a typical spinel CoFe2O4 structure was generated in Co1Fe1@TiO2 NFs. At a load of only 28.7 μg·cm-2, Co1Fe1@TiO2 NFs not only have a low overpotential (284 mV) and Tafel slope (54 mV·dec-1) in the oxygen evolution reaction but also show a high initial potential (0.88 V) and limiting current density (6.40 mA·cm-2) in the oxygen reduction reaction. Meanwhile, Co1Fe1@TiO2 NFs exhibit good durability, cycle stability, and dual-function catalysis
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|a Journal Article
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|a Xi, Ruifan
|e verfasserin
|4 aut
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|a Li, Yuanyuan
|e verfasserin
|4 aut
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|a Wang, Ping
|e verfasserin
|4 aut
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|a Zhang, Yan
|e verfasserin
|4 aut
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|a Hu, Dongmei
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 39(2023), 17 vom: 02. Mai, Seite 6211-6221
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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|g volume:39
|g year:2023
|g number:17
|g day:02
|g month:05
|g pages:6211-6221
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|u http://dx.doi.org/10.1021/acs.langmuir.3c00375
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