A Conductive Network and Dipole Field for Harnessing Photogenerated Charge Kinetics

A Conductive Network and Dipole Field for Harnessing Photogenerated Charge Kinetics

© 2021 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 33(2021), 48 vom: 05. Dez., Seite e2104099
1. Verfasser: Liu, Zhaoli (VerfasserIn)
Weitere Verfasser: Zhang, Cui, Liu, Lizhi, Zhang, Tianshu, Wang, Jing, Wang, Rong, Du, Ting, Yang, Chengyuan, Zhang, Liang, Xie, Linxuan, Zhu, Wenxin, Yue, Tianli, Wang, Jianlong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article MXene conductive networks continuous chemical bonds dipoles photogenerated charge kinetics
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520 |a Photogenerated charge separation and directional transfer to active sites are pivotal steps in photocatalysis, which limit the efficiency of redox reactions. Here, a conductive network and dipole field are employed to harness photogenerated charge kinetics by using a Ti3 C2 /TiO2 network (TTN). The TTN exhibits a prolonged charge-carrier lifetime (1.026 ns) and an 11.76-fold increase in hexavalent chromium photoreduction reaction kinetics compared to TiO2 nanoparticles (TiO2 NPs). This super photocatalytic performance is derived from the efficient photogenerated charge kinetics, which is steered by the conductive network and dipole field. The conductivity enhancement of the TiO2 network is achieved by continuous chemical bonds, which promotes electron-hole (e-h) separation. In addition, at the interface of Ti3 C2 and TiO2 , band bending induced by the dipole field promotes photogenerated electron spatially directed transfer to the catalytic sites on Ti3 C2 . This study demonstrates that a conductive network and dipole field offer a new concept to harness charge kinetics for photocatalysis 
650 4 |a Journal Article 
650 4 |a MXene 
650 4 |a conductive networks 
650 4 |a continuous chemical bonds 
650 4 |a dipoles 
650 4 |a photogenerated charge kinetics 
700 1 |a Zhang, Cui  |e verfasserin  |4 aut 
700 1 |a Liu, Lizhi  |e verfasserin  |4 aut 
700 1 |a Zhang, Tianshu  |e verfasserin  |4 aut 
700 1 |a Wang, Jing  |e verfasserin  |4 aut 
700 1 |a Wang, Rong  |e verfasserin  |4 aut 
700 1 |a Du, Ting  |e verfasserin  |4 aut 
700 1 |a Yang, Chengyuan  |e verfasserin  |4 aut 
700 1 |a Zhang, Liang  |e verfasserin  |4 aut 
700 1 |a Xie, Linxuan  |e verfasserin  |4 aut 
700 1 |a Zhu, Wenxin  |e verfasserin  |4 aut 
700 1 |a Yue, Tianli  |e verfasserin  |4 aut 
700 1 |a Wang, Jianlong  |e verfasserin  |4 aut 
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773 1 8 |g volume:33  |g year:2021  |g number:48  |g day:05  |g month:12  |g pages:e2104099 
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