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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201908350
|2 doi
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|a pubmed25n1020.xml
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|a (DE-627)NLM306212358
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|a (NLM)32026522
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Chen, Fang
|e verfasserin
|4 aut
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| 245 |
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|a Macroscopic Spontaneous Polarization and Surface Oxygen Vacancies Collaboratively Boosting CO2 Photoreduction on BiOIO3 Single Crystals
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|c 2020
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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
|b cr
|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 Prompt recombination of photogenerated electrons and holes in bulk and on the surface of photocatalysts harshly impedes the photocatalytic efficiency. However, the simultaneous manipulation of photocharges in the two locations is challenging. Herein, the synchronous promotion of bulk and surface separation of photoinduced charges for prominent CO2 photoreduction by coupling macroscopic spontaneous polarization and surface oxygen vacancies (OVs) of BiOIO3 single crystals is reported. The oriented growth of BiOIO3 single-crystal nanostrips along the [001] direction, ensuing substantial well-aligned IO3 polar units, renders a large enhancement for the macroscopic polarization electric field, which is capable of driving the rapid separation and migration of charges from bulk to surface. Meanwhile the introduction of surface OVs establishes a local electric field for charge migration to catalytic sites on the surface of BiOIO3 nanostrips. Highly polarized BiOIO3 nanostrips with ample OVs demonstrate outstanding CO2 reduction activity for CO production with a rate of 17.33 µmol g-1 h-1 (approximately ten times enhancement) without any sacrificial agents or cocatalysts, being one of the best CO2 reduction photocatalysts in the gas-solid system reported so far. This work provides an integrated solution to governing charge movement behavior on the basis of collaborative polarization from bulk and surface
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|a Journal Article
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|a CO2 reduction
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| 650 |
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4 |
|a charge separation
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| 650 |
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4 |
|a macroscopic spontaneous polarization
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| 650 |
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4 |
|a photocatalysis
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| 650 |
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4 |
|a surface polarization
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| 700 |
1 |
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|a Ma, Zhaoyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ye, Liqun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Tianyi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Tierui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yihe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Hongwei
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 11 vom: 27. März, Seite e1908350
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:32
|g year:2020
|g number:11
|g day:27
|g month:03
|g pages:e1908350
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| 856 |
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|u http://dx.doi.org/10.1002/adma.201908350
|3 Volltext
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