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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.7b03745
|2 doi
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|a pubmed24n0932.xml
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|a eng
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| 100 |
1 |
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|a An, Xiaoqiang
|e verfasserin
|4 aut
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|a Hierarchical Nanotubular Anatase/Rutile/TiO2(B) Heterophase Junction with Oxygen Vacancies for Enhanced Photocatalytic H2 Production
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|c 2018
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|a Text
|b txt
|2 rdacontent
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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 03.05.2018
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|a Date Revised 03.05.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Oxygen vacancies have been demonstrated to enhance the interfacial charge separation in TiO2-based photocatalysts. In this report, we explored a facile route to synthesize hierarchical nanotubular anatase/rutile/TiO2(B) nanostructures with high surface area and defective electronic structure. The formation of oxygen vacancies in the heterophase junction was analyzed by UV-vis absorption spectra, electron spin resonance, and X-ray photoelectron spectroscopy. The enhanced interfacial charge separation and transportation ensured the excellent photoactivity of oxygen-deficient junctions for the photocatalytic production of hydrogen. As a result, the defective anatase/rutile/TiO2(B) junction showed a high hydrogen evolution rate of 2.79 mmol/h, which was 19 times higher than blank TiO2 nanotubes. The results demonstrate that defect modulation is a powerful tool to enhance the catalytic performances of TiO2-based photocatalysts
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Hu, Chengzhi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Huijuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qu, Jiuhui
|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), 5 vom: 06. Feb., Seite 1883-1889
|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:5
|g day:06
|g month:02
|g pages:1883-1889
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|u http://dx.doi.org/10.1021/acs.langmuir.7b03745
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