Defect Engineering of Air-Treated WO3 and Its Enhanced Visible-Light-Driven Photocatalytic and Electrochemical Performance

2016 ◽  
Vol 120 (18) ◽  
pp. 9750-9763 ◽  
Author(s):  
Yesheng Li ◽  
Zilong Tang ◽  
Junying Zhang ◽  
Zhongtai Zhang
Keyword(s):  
Electrochemical Performance ◽  
Visible Light ◽  
Defect Engineering ◽  
Visible Light Driven

High separation efficiency of carriers for defective g-C3N4 with polarization effect and defect engineering: Mechanism, Properties and Prospect

2021 ◽  
Author(s):  
Xiaojuan Bai ◽  
Tianqi Jia ◽  
Xuyu Wang ◽  
Shanshan Hou ◽  
Derek Hao ◽  
...  
Keyword(s):  
Visible Light ◽  
Energy Conversion ◽  
Polarization Effect ◽  
Carbon Nitride ◽  
Separation Efficiency ◽  
Graphitic Carbon Nitride ◽  
Defect Engineering ◽  
Metal Free ◽  
Visible Light Driven ◽  
High Separation

As a green, visible-light-driven metal-free semiconductor material, graphitic carbon nitride (g-C3N4) has aroused tremendous significance in the fields of environmental purification and energy conversion. Inducing a polarization effect by creating...

scholarly journals Visible Light Driven Photocatalytic Decolorization and Disinfection of Water Employing Reduced TiO2 Nanopowders

Catalysts ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 228
Author(s):  
Xiaolan Kang ◽  
Chrysanthi Berberidou ◽  
Augustinas Galeckas ◽  
Calliope Bazioti ◽  
Einar Sagstuen ◽  
...  
Keyword(s):  
Visible Light ◽  
Light Illumination ◽  
Defect Engineering ◽  
Photocatalytic Decolorization ◽  
Bacterial Endospores ◽  
Visible Light Illumination ◽  
Key Characteristics ◽  
Visible Light Driven ◽  
Tio2 Nanopowders ◽  
Extrinsic Defects

Defect-engineering of TiO2 can have a major impact on its photocatalytic properties for the degradation of persisting and non-biodegradable pollutants. Herein, a series of intrinsic and extrinsic defects are induced by post annealing of crystalline TiO2 under different reducing atmospheres. A detailed optoelectronic characterization sheds light on the key characteristics of the defect-engineered TiO2 nanopowders that are linked to the photocatalytic performance of the prepared photocatalysts. The photodegradation of a model dye, malachite green, as well as the inactivation of bacterial endospores of the Geobacillus stearothermophilus species were studied in the presence of the developed catalysts under visible light illumination. Our results indicate that a combination of certain defects is necessary for the improvement of the photocatalytic process for water purification and disinfection under visible light.

scholarly journals Rodlike AgI/Ag2Mo2O7 Heterojunctions with Enhanced Visible-Light-Driven Photocatalytic Activity

ACS Omega ◽  
2019 ◽  
Vol 4 (5) ◽  
pp. 7919-7930 ◽  
Author(s):  
Zhongyi Jiao ◽  
Zhendong Liu ◽  
Zhen Ma
Keyword(s):  
Photocatalytic Activity ◽  
Visible Light ◽  
Visible Light Driven
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