scholarly journals Interfacial band alignment for photocatalytic charge separation in TiO2 nanotube arrays coated with CuPt nanoparticles

2015 ◽  
Vol 17 (44) ◽  
pp. 29723-29733 ◽  
Author(s):  
Samira Farsinezhad ◽  
Himani Sharma ◽  
Karthik Shankar

The band-alignment at heterojunctions formed by photodepositing CuPt nanoparticles on anatase-phase TiO2 nanotubes is of the Schottky type and significantly different from heterojunctions where the CuPt nanoparticles are coated on the nanotubes by sputtering.

2021 ◽  
Author(s):  
Dong Qiu ◽  
Chengli He ◽  
Yuxuan Lu ◽  
Qiaodan Li ◽  
Yang Chen ◽  
...  

Photoelectrochemical water splitting is an excellent strategy for hydrogen generation, and it is pivotal to develop photoanodes with proficient sunlight harvesting, rapid charge separation, and enhanced electron injection efficiency. In...


Author(s):  
Zexin Yu ◽  
Yunlong Gao ◽  
Li-Xia Sang ◽  
Lei Lei

Bimetallic nanostructures have been endowed with the function of enhancing photon absorption and charge separation in photo-hydrogen conversion. Bimetallic CuAg/TiO2 nanotube arrays (TNTAs) were synthesized with the different ratio of...


RSC Advances ◽  
2014 ◽  
Vol 4 (72) ◽  
pp. 38133-38139 ◽  
Author(s):  
B. Manmadha Rao ◽  
Somnath C. Roy

Solvothermal processing enhances the high temperature stability of the anatase phase and aligned morphology of electrochemically synthesized TiO2 nanotube arrays.


RSC Advances ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 2307-2314
Author(s):  
Dengji Yu ◽  
Yunfang Zhang ◽  
Fang Wang ◽  
Jun Dai

Highly efficient TiO2 photoanodes can be achieved by enhancing electrical conductivity and improving charge separation and transfer.


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