Cu₂ZnSnS₄-Ag₂S Nanoscale p-n Heterostructures as Sensitizers for Photoelectrochemical Water Splitting

A cation exchange-based route was used to produce Cu2ZnSnS4 (CZTS)-Ag2S nanoparticles with controlled composition. We report a detailed study of the formation of such CZTS-Ag2S nanoheterostructures and of their photocatalytic properties. When compared to pure CZTS, the use of nanoscale p-n heterostr...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 31(2015), 38 vom: 29. Sept., Seite 10555-61
1. Verfasser: Yu, Xuelian (VerfasserIn)
Weitere Verfasser: Liu, Jingjing, Genç, Aziz, Ibáñez, Maria, Luo, Zhishan, Shavel, Alexey, Arbiol, Jordi, Zhang, Guangjin, Zhang, Yihe, Cabot, Andreu
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a A cation exchange-based route was used to produce Cu2ZnSnS4 (CZTS)-Ag2S nanoparticles with controlled composition. We report a detailed study of the formation of such CZTS-Ag2S nanoheterostructures and of their photocatalytic properties. When compared to pure CZTS, the use of nanoscale p-n heterostructures as light absorbers for photocatalytic water splitting provides superior photocurrents. We associate this experimental fact to a higher separation efficiency of the photogenerated electron-hole pairs. We believe this and other type-II nanoheterostructures will open the door to the use of CZTS, with excellent light absorption properties and made of abundant and environmental friendly elements, to the field of photocatalysis 
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700 1 |a Liu, Jingjing  |e verfasserin  |4 aut 
700 1 |a Genç, Aziz  |e verfasserin  |4 aut 
700 1 |a Ibáñez, Maria  |e verfasserin  |4 aut 
700 1 |a Luo, Zhishan  |e verfasserin  |4 aut 
700 1 |a Shavel, Alexey  |e verfasserin  |4 aut 
700 1 |a Arbiol, Jordi  |e verfasserin  |4 aut 
700 1 |a Zhang, Guangjin  |e verfasserin  |4 aut 
700 1 |a Zhang, Yihe  |e verfasserin  |4 aut 
700 1 |a Cabot, Andreu  |e verfasserin  |4 aut 
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