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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201907746
|2 doi
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|a pubmed24n1039.xml
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|a DE-627
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|a eng
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|a Zhang, Zijian
|e verfasserin
|4 aut
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|a A Highly Crystalline Perylene Imide Polymer with the Robust Built-In Electric Field for Efficient Photocatalytic Water Oxidation
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|c 2020
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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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 A highly crystalline perylene imide polymer (Urea-PDI) photocatalyst is successfully constructed. The Urea-PDI presents a wide spectrum response owing to its large conjugated system. The Urea-PDI performs so far highest oxygen evolution rate (3223.9 µmol g-1 h-1 ) without cocatalysts under visible light. The performance is over 107.5 times higher than that of the conventional PDI supramolecular photocatalysts. The strong oxidizing ability comes from the deep valence band (+1.52 eV) which is contributed by the covalent-bonded conjugated molecules. Besides, the high crystallinity and the large molecular dipoles of the Urea-PDI contribute to a robust built-in electric field promoting the separation and transportation of photogenerated carriers. Moreover, the Urea-PDI is very stable and has no performance attenuation after 100 h continuous irradiation. The Urea-PDI polymer photocatalyst provides with a new platform for the use of photocatalytic water oxidation, which is expected to contribute to clean energy production
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|a Journal Article
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|a built-in electric field
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|a highly crystalline materials
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|a perylene imide polymers
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|a photocatalytic water oxidation
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|a Chen, Xianjie
|e verfasserin
|4 aut
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|a Zhang, Hanjie
|e verfasserin
|4 aut
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|a Liu, Weixu
|e verfasserin
|4 aut
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|a Zhu, Wei
|e verfasserin
|4 aut
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|a Zhu, Yongfa
|e verfasserin
|4 aut
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 32 vom: 04. Aug., Seite e1907746
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:32
|g year:2020
|g number:32
|g day:04
|g month:08
|g pages:e1907746
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|u http://dx.doi.org/10.1002/adma.201907746
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