CuS–Bi2S3 hierarchical architectures: controlled synthesis and enhanced visible-light photocatalytic performance for dye degradation

RSC Advances ◽  
2015 ◽  
Vol 5 (43) ◽  
pp. 33747-33754 ◽  
Author(s):  
Lang Chen ◽  
Jie He ◽  
Qing Yuan ◽  
Yan-Wen Zhang ◽  
Fu Wang ◽  
...  

Novel CuS–Bi2S3 heterojunctions were fabricated by a one-step solvothermal method using glycol as solvent and l-lysine as structure-directing reagent. The composites showed enhanced photocatalytic activity towards dye degradation under visible light.

Materials ◽  
2019 ◽  
Vol 12 (23) ◽  
pp. 3948
Author(s):  
Lingfang Qiu ◽  
Zhiwei Zhou ◽  
Mengfan Ma ◽  
Ping Li ◽  
Jinyong Lu ◽  
...  

Novel visible-light responded aluminosilicophosphate-5 (SAPO-5)/g-C3N4 composite has been easily constructed by thermal polymerization for the mixture of SAPO-5, NH4Cl, and dicyandiamide. The photocatalytic activity of SAPO-5/g-C3N4 is evaluated by degrading RhB (30 mg/L) under visible light illumination (λ > 420 nm). The effects of SAPO-5 incorporation proportion and initial RhB concentration on the photocatalytic performance have been discussed in detail. The optimized SAPO-5/g-C3N4 composite shows promising degradation efficiency which is 40.6% higher than that of pure g-C3N4. The degradation rate improves from 0.007 min−1 to 0.022 min−1, which is a comparable photocatalytic performance compared with other g-C3N4-based heterojunctions for dye degradation. The migration of photo-induced electrons from g-C3N4 to the Al site of SAPO-5 should promote the photo-induced electron-hole pairs separation rate of g-C3N4 efficiently. Furthermore, the redox reactions for RhB degradation occur on the photo-induced holes in the g-C3N4 and Al sites in SAPO-5, respectively. This achievement not only improves the photocatalytic activity of g-C3N4 efficiently, but also broadens the application of SAPOs in the photocatalytic field.


2015 ◽  
Vol 17 (20) ◽  
pp. 13347-13354 ◽  
Author(s):  
Chunrui Zheng ◽  
Chuanbao Cao ◽  
Zulfiqar Ali

Bi/BiOBrxI1−x heterojunction of hierarchical microspheres formed in situ with efficient visible-light photocatalytic activity were synthesized by a facile one-step solvothermal method.


2020 ◽  
Vol 49 (24) ◽  
pp. 8041-8050 ◽  
Author(s):  
Xin Xiao ◽  
Yihui Wang ◽  
Qiu Bo ◽  
Xingyou Xu ◽  
Dongen Zhang

Nonmetal doping is a convenient method to adjust the visible light photocatalytic activity of graphitic carbon nitride (g-C3N4).


2018 ◽  
Vol 42 (5) ◽  
pp. 3799-3807 ◽  
Author(s):  
Yide Han ◽  
Chunpeng Bai ◽  
Lianxia Zhang ◽  
Junbiao Wu ◽  
Hao Meng ◽  
...  

Through a simple grinding process, AgI–MIL-53(Fe) composites with superior interfacial contact between AgI and MIL-53(Fe) have been successfully fabricated and exhibit improved visible light photocatalytic activity for dye degradation.


RSC Advances ◽  
2016 ◽  
Vol 6 (97) ◽  
pp. 94361-94364 ◽  
Author(s):  
Hongwei Huang ◽  
Ke Xiao ◽  
Fan Dong ◽  
Jinjian Wang ◽  
Xin Du ◽  
...  

Sulfur doping simultaneously endows the wide-band-gap Bi2O2CO3 promoted band energy structure and charge separation achieving enhanced visible-light photocatalytic performance for dye degradation and NO removal.


2019 ◽  
Vol 469 ◽  
pp. 739-746 ◽  
Author(s):  
Yuanguo Xu ◽  
Feiyue Ge ◽  
Zhigang Chen ◽  
Shuquan Huang ◽  
Wei Wei ◽  
...  

2016 ◽  
Vol 45 (43) ◽  
pp. 17521-17529 ◽  
Author(s):  
Shuai-Ru Zhu ◽  
Peng-Fei Liu ◽  
Meng-Ke Wu ◽  
Wen-Na Zhao ◽  
Guo-Chang Li ◽  
...  

BiOBr/NH2-MIL-125(Ti) composite photocatalysts have been prepared by incorporating NH2-MIL-125(Ti) with BiOBr and exhibited improved photocatalytic activity under visible light compared to pristine BiOBr and NH2-MIL-125(Ti).


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