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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c02169
|2 doi
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|a eng
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|a Han, Yong
|e verfasserin
|4 aut
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|a Influence of an External Electric Field on Electronic and Optical Properties of a g-C3N4/TiO2 Heterostructure
|b A First-Principles Perspective
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|c 2023
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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 Revised 22.11.2023
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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 study, calculations based on density functional theory (DFT) were utilized to examine how electrostatic fields affect the electrical and optical characteristics of g-C3N4/TiO2 heterostructures. The binding energy, density of states, difference in charge density, and optical absorption spectra of the heterostructure were calculated and analyzed to reveal the mechanism of the influence of the external electric field (EF) on the properties of the heterostructure. The results show that the binding energy of the heterogeneous structure is reduced due to the imposed electric field in X- and Y-directions, and the optical absorption spectrum is slightly enhanced, but the BG and charge transfer number are basically unchanged. On the contrary, applying the electric field in the Z-direction increases the binding energy of the heterogeneous structure, decreases the BG, increases the number of charge transfers, and red shifts the optical absorption spectrum, which improves the photocatalytic ability of the g-C3N4/TiO2 heterostructure
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|a Journal Article
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|a Li, Tianyu
|e verfasserin
|4 aut
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|a Zhang, Qingrui
|e verfasserin
|4 aut
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|a Guo, Xiaoqiang
|e verfasserin
|4 aut
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| 700 |
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|a Jiao, Tifeng
|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 39(2023), 45 vom: 14. Nov., Seite 16035-16047
|w (DE-627)NLM098181009
|x 1520-5827
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|g volume:39
|g year:2023
|g number:45
|g day:14
|g month:11
|g pages:16035-16047
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|u http://dx.doi.org/10.1021/acs.langmuir.3c02169
|3 Volltext
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