Band gap engineering design for construction of energy-levels well-matched semiconductor heterojunction with enhanced visible-light-driven photocatalytic activity

RSC Advances ◽  
2014 ◽  
Vol 4 (78) ◽  
pp. 41219-41227 ◽  
Author(s):  
Hongwei Huang ◽  
Shuobo Wang ◽  
Yihe Zhang ◽  
Paul K. Chu

Energy-levels well-matched Mg1−xCuxWO4/Bi2WO6 heterojunction was constructed based on band gap engineering. It exhibits high visible-light photoactivity for RhB degradation and photocurrent generation.

RSC Advances ◽  
2016 ◽  
Vol 6 (13) ◽  
pp. 10895-10903 ◽  
Author(s):  
Na Tian ◽  
Yihe Zhang ◽  
Chengyin Liu ◽  
Shixin Yu ◽  
Min Li ◽  
...  

The 2D–2D heterojunctional g-C3N4/Bi4O5I2 nanosheets were successfully constructed based on band gap engineering design. It exhibits high visible-light-driven photocatalytic activity for degradation of RhB and NO removal.


2020 ◽  
Vol 10 (22) ◽  
pp. 7724-7733 ◽  
Author(s):  
Nayuesh Sharma ◽  
Arnab Kumar Dey ◽  
Rohit Y. Sathe ◽  
Ajay Kumar ◽  
Venkata Krishnan ◽  
...  

Highly efficient visible-light-assisted photocatalytic reduction of Cr(vi) to Cr(iii) from aqueous phase using Zr(iv)-porphyrin MOFs, Zr6(μ3-OH)8(OH)8(MTCPP)2, (PCN-222(M)) (M = H2, ZnII, CuII, NiII, CoII, FeIIICl, and MnIIICl) is presented.


2017 ◽  
Vol 46 (13) ◽  
pp. 4170-4173 ◽  
Author(s):  
Ruofei Wu ◽  
Xingxing Jiang ◽  
Mingjun Xia ◽  
Lijuan Liu ◽  
Xiaoyang Wang ◽  
...  

K8Ce2I18O53 shows the highest visible light driven photocatalytic activity among rare earth iodates due to asynergistic effect between the narrow band gap and polar zero-dimensional [Ce(IO3)8]4− units.


2015 ◽  
Vol 44 (9) ◽  
pp. 4297-4307 ◽  
Author(s):  
Na Tian ◽  
Hongwei Huang ◽  
Ying He ◽  
Yuxi Guo ◽  
Tierui Zhang ◽  
...  

Z-scheme BiVO4/g-C3N4 exhibits high visible-light-driven photocatalytic activity for the RhB degradation and photocurrent generation.


2015 ◽  
Vol 3 (40) ◽  
pp. 20051-20055 ◽  
Author(s):  
Qi Cao ◽  
Yi-Feng Cheng ◽  
Han Bi ◽  
Xuebing Zhao ◽  
Kaiping Yuan ◽  
...  

Defect-rich Ag2Se QDs were prepared controllably for sensitizing TiO2 toward high-performance visible-light-driven hydrogen-evolution photocatalysts.


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