One-pot, self-assembled hydrothermal synthesis of 3D flower-like CuS/g-C3N4 composite with enhanced photocatalytic activity under visible-light irradiation

2018 ◽  
Vol 115 ◽  
pp. 59-68 ◽  
Author(s):  
Azam Khan ◽  
Umair Alam ◽  
Waseem Raza ◽  
D. Bahnemann ◽  
M. Muneer
Author(s):  
Raja Arumugam Senthil ◽  
Sedahmed Osman ◽  
Junqing Pan ◽  
Abrar Khan ◽  
Viengkham Yang ◽  
...  

2019 ◽  
Vol 33 (14n15) ◽  
pp. 1940046 ◽  
Author(s):  
Min Yen Yeh ◽  
Jun Hong Li ◽  
Shun Hsyung Chang ◽  
Shiow Yueh Lee ◽  
Huichun Huang

Orthorhombic perovskite structure NaTaO3 with cube shape was successfully synthesized by hydrothermal reaction. The as-prepared NaTaO3 behaves a great photocatalystic activity on degradation of MB solution not only under UV but also visible light irradiation.


2021 ◽  
Vol 2021 ◽  
pp. 1-10
Author(s):  
Lan Anh Luu Thi ◽  
Mateus Manuel Neto ◽  
Thang Pham Van ◽  
Trung Nguyen Ngoc ◽  
Tuyet Mai Nguyen Thi ◽  
...  

In situ g-C3N4@ZnO nanocomposites (with 0, 1, 3, 5, and 7 wt.% of g-C3N4 in nanocomposite) were synthesized via a one-pot hydrothermal method using precursors of urea, zinc nitrate hexahydrate, and hexamethylenetetramine. The g-C3N4@ZnO nanocomposites were characterized by X-ray diffraction, scanning electron microscope, diffuse reflectance spectroscopy, and photoluminescence spectroscopy. The photocatalyst activity of g-C3N4@ZnO nanocomposites was evaluated via methylene blue degradation experiment under visible light irradiation. The g-C3N4@ZnO nanocomposites showed an enhancement in photocatalytic activity in comparison to pure ZnO which increased with the g-C3N4 content (1, 3, 5, and 7 wt.%) in nanocomposites. The photocatalytic activity reached the highest efficiency of 96.8% when the content of g-C3N4 was 7.0 wt.%. Nanocomposite having 7.0 wt.% of g-C3N4 also showed good recyclability with degradation efficiency higher than 90% even in the 4th use. The improvement of photocatalytic activity could be attributed to the adsorption ability and effective separation of electron-hole pairs between g-C3N4 and ZnO. This work implies a simple method to in situ prepare the nanocomposite material of g-C3N4 and semiconductors oxide for photocatalyst applications with high efficiency and good recyclability.


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