One-pot synthesis of heterostructured Bi2S3/BiOBr microspheres with highly efficient visible light photocatalytic performance

RSC Advances ◽  
2015 ◽  
Vol 5 (21) ◽  
pp. 16239-16249 ◽  
Author(s):  
Hong-Peng Jiao ◽  
Xiang Yu ◽  
Zhao-Qing Liu ◽  
Pan-Yong Kuang ◽  
Yuan-Ming Zhang
Keyword(s):  
Visible Light ◽  
Fast Electron ◽  
Photocatalytic Performance ◽  
Solvothermal Method ◽  
Photocatalytic Efficiency ◽  
Electron Hole ◽  
One Pot ◽  
One Pot Synthesis ◽  
Hole Recombination ◽  
Visible Light Photocatalytic

To overcome the drawback of low photocatalytic efficiency brought by fast electron–hole recombination and narrow photoresponse range, the heterostructured Bi2S3/BiOBr microspheres were designed and synthesized via a facile one-pot solvothermal method.

One-pot synthesis of flower-like SnS2/SnO2 heterojunction with enhanced visible light photocatalytic performance

2022 ◽  
Vol 123 ◽  
pp. 111934
Author(s):  
Wenbo Zhao ◽  
Minghua He ◽  
Fengjuan Chen ◽  
Xuekun Jin ◽  
Haiming Duan ◽  
...  
Keyword(s):  
Visible Light ◽  
Photocatalytic Performance ◽  
One Pot ◽  
One Pot Synthesis ◽  
Visible Light Photocatalytic

Rose-like CuS microflowers and their enhanced visible-light photocatalytic performance

CrystEngComm ◽  
2018 ◽  
Vol 20 (41) ◽  
pp. 6529-6537 ◽  
Author(s):  
Lijuan Zhao ◽  
Lei Zhou ◽  
Chengcheng Sun ◽  
Yarong Gu ◽  
Weijia Wen ◽  
...  
Keyword(s):  
Visible Light ◽  
Copper Sulfide ◽  
Photocatalytic Performance ◽  
Solvothermal Method ◽  
One Pot ◽  
Visible Light Photocatalytic

Surfactant-free rose-like copper sulfide (CuS) microflowers were prepared by a simple one-pot solvothermal method in N,N-dimethylformamide (DMF).

scholarly journals Construction of Ag3PO4/SnO2 Heterojunction on Carbon Cloth with Enhanced Visible Light Photocatalytic Degradation

2020 ◽  
Vol 10 (9) ◽  
pp. 3238
Author(s):  
Min Liu ◽  
Guangxin Wang ◽  
Panpan Xu ◽  
Yanfeng Zhu ◽  
Wuhui Li
Keyword(s):  
Visible Light ◽  
Photocatalytic Performance ◽  
Separation Efficiency ◽  
Photogenerated Electron ◽  
Carbon Cloth ◽  
Electron Hole ◽  
Step Process ◽  
Photogenerated Electrons ◽  
Rapid Transfer ◽  
Visible Light Photocatalytic

In this study, the Ag3PO4/SnO2 heterojunction on carbon cloth (Ag3PO4/SnO2/CC) was successfully fabricated via a facile two-step process. The results showed that the Ag3PO4/SnO2/CC heterojunction exhibited a remarkable photocatalytic performance for the degradation of Rhodamine B (RhB) and methylene blue (MB), under visible light irradiation. The calculated k values for the degradation of RhB and MB over Ag3PO4/SnO2/CC are 0.04716 min−1 and 0.04916 min−1, which are higher than those calculated for the reactions over Ag3PO4/SnO2, Ag3PO4/CC and SnO2/CC, respectively. The enhanced photocatalytic activity could mainly be attributed to the improved separation efficiency of photogenerated electron-hole pairs, after the formation of the Ag3PO4/SnO2/CC heterojunction. Moreover, carbon cloth with a large specific surface area and excellent conductivity was used as the substrate, which helped to increase the contact area of dye solution with photocatalysts and the rapid transfer of photogenerated electrons. Notably, when compared with the powder catalyst, the catalysts supported on carbon cloth are easier to quickly recycle from the pollutant solution, thereby reducing the probability of recontamination.

scholarly journals Enhanced Visible-Light Photocatalytic Performance of SAPO-5-Based g-C3N4 Composite for Rhodamine B (RhB) Degradation

Materials ◽  
2019 ◽  
Vol 12 (23) ◽  
pp. 3948
Author(s):  
Lingfang Qiu ◽  
Zhiwei Zhou ◽  
Mengfan Ma ◽  
Ping Li ◽  
Jinyong Lu ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Visible Light ◽  
Redox Reactions ◽  
Photocatalytic Performance ◽  
Dye Degradation ◽  
Thermal Polymerization ◽  
Light Illumination ◽  
Electron Hole ◽  
Visible Light Illumination ◽  
Visible Light Photocatalytic

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.

scholarly journals Enhanced visible light photocatalytic activity of BiOBr by in situ reactable ionic liquid modification for pollutant degradation

RSC Advances ◽  
2018 ◽  
Vol 8 (15) ◽  
pp. 7956-7962 ◽  
Author(s):  
Zhidong Wei ◽  
Ruishuo Li ◽  
Rui Wang
Keyword(s):  
Ionic Liquid ◽  
Photocatalytic Activity ◽  
Ionic Liquids ◽  
Visible Light ◽  
Solvothermal Method ◽  
Pollutant Degradation ◽  
One Pot ◽  
Visible Light Photocatalytic Activity ◽  
Visible Light Photocatalytic

In this study, hierarchical BiOBr microspheres were synthesized via a one-pot solvothermal method in the presence of imidazole ionic liquids.

Synthesis and Photocatalytic Degradation Performance of g-C3N4/ CoAPO-5/rGO Ternary Composite

2018 ◽  
Vol 281 ◽  
pp. 848-853
Author(s):  
Ling Fang Qiu ◽  
Xiao Bin Qiu ◽  
Zhi Wei Zhou ◽  
Shu Wang Duo
Keyword(s):  
Visible Light ◽  
Carbon Nitride ◽  
Photocatalytic Performance ◽  
Doping Content ◽  
Electron Mediator ◽  
Electron Hole ◽  
Obvious Effect ◽  
Ternary Composite ◽  
Hole Recombination ◽  
Binary Composite

Graphitic carbon nitride is a promising photocatalyst for environmental purification, but the photocatalytic performance is limited significantly due to its narrow visible-light adsorption and high photo-reduced electron-hole recombination rate. This work developed a novel way to overcome the two defects and obtained obvious effect. CoAPO-5 was used to broaden visible-light adsorption range by conducting g-C3N4/CoAPO-5 binary composite. In further, rGO was integrated into the binary system to form novel ternary composite. rGO performs as a electron mediator, which can inhibit photo-reduced electron-hole recombination efficiently. The samples were characterized by XRD, SEM, PL, IR and DRS. The photocatalytic performances for degrading RhB (10mg/L) indicated that g-C3N4/CoAPO-5/rGO have much higher activity than g-C3N4/CoAPO-5 because of synergistic effect. When the doping content of rGO in g-C3N4/CoAPO-5 was 0.5%, the degradation efficiency was improved by 14%.

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