Visible-light-active photocatalytic thin film by RF sputtering for hydrogen generation

2012 ◽  
Vol 8 (2) ◽  
pp. 283-291 ◽  
Author(s):  
Chi-Hung Liao ◽  
Chao-Wei Huang ◽  
Jeffrey Chi-Sheng Wu
Keyword(s):  
Thin Film ◽  
Visible Light ◽  
Hydrogen Generation ◽  
Rf Sputtering ◽  
Visible Light Active

Visible Light Active Nanocomposites for Photocatalytic Applications

2021 ◽  
pp. 709-729
Author(s):  
Rohini Singh ◽  
Suman Dutta
Keyword(s):  
Visible Light ◽  
Industrial Development ◽  
Hydrogen Generation ◽  
Dye Degradation ◽  
Industrial Effluents ◽  
High Energy ◽  
Effluent Treatment ◽  
Photocatalytic Hydrogen Generation ◽  
Visible Light Active ◽  
Alternative Sources

This chapter explores the concept of visible light active nanocomposites for the enhanced photocatalytic hydrogen generation and dye degradation. Since the late 1960s, A. Fujishima has been involved in unfolding the fascinating characteristics of titanium dioxide (TiO2) as semiconductor oxide. The increased growth in population and industrial development has tremendously increased the generation of waste products and consumption of energy worldwide. This situation creates an immense need of clean and sustainable alternative sources of energy. Hydrogen, having a high energy capacity, is considered as a reliable fuel for the future energy requirements. In addition to that, due to the rapid industrialisation, our water is being contaminated with various harmful industrial effluents. This chapter illustrates the significance of visible light nanocomposites for the photocatalytic application of hydrogen generation for future energy security and dye degradation for the effective effluent treatment of textile industries.

scholarly journals A Visible-Light-Active Heterojunction with Enhanced Photocatalytic Hydrogen Generation

ChemSusChem ◽  
2016 ◽  
Vol 9 (14) ◽  
pp. 1869-1879 ◽  
Author(s):  
Shiba P. Adhikari ◽  
Zachary D. Hood ◽  
Karren L. More ◽  
Vincent W. Chen ◽  
Abdou Lachgar
Keyword(s):  
Visible Light ◽  
Hydrogen Generation ◽  
Photocatalytic Hydrogen Generation ◽  
Visible Light Active

Visible Light Active Nanocomposites for Photocatalytic Applications

2018 ◽  
pp. 270-296
Author(s):  
Rohini Singh ◽  
Suman Dutta
Keyword(s):  
Visible Light ◽  
Industrial Development ◽  
Hydrogen Generation ◽  
Dye Degradation ◽  
Industrial Effluents ◽  
High Energy ◽  
Effluent Treatment ◽  
Photocatalytic Hydrogen Generation ◽  
Visible Light Active ◽  
Alternative Sources

This chapter explores the concept of visible light active nanocomposites for the enhanced photocatalytic hydrogen generation and dye degradation. Since the late 1960s, A. Fujishima has been involved in unfolding the fascinating characteristics of titanium dioxide (TiO2) as semiconductor oxide. The increased growth in population and industrial development has tremendously increased the generation of waste products and consumption of energy worldwide. This situation creates an immense need of clean and sustainable alternative sources of energy. Hydrogen, having a high energy capacity, is considered as a reliable fuel for the future energy requirements. In addition to that, due to the rapid industrialisation, our water is being contaminated with various harmful industrial effluents. This chapter illustrates the significance of visible light nanocomposites for the photocatalytic application of hydrogen generation for future energy security and dye degradation for the effective effluent treatment of textile industries.

scholarly journals Fe Substituted SrTiO3 as Visible Light Active Photosensitive Material for Solar-Hydrogen Generation

2013 ◽  
Vol 12 (2) ◽  
pp. 21-39
Author(s):  
T Radhika ◽  
K Keerthi
Keyword(s):  
Visible Light ◽  
Band Gap ◽  
Hydrogen Generation ◽  
Sintering Temperature ◽  
Visible Range ◽  
X Ray Diffraction ◽  
Solar Hydrogen ◽  
Visible Light Active ◽  
Symmetry Structure ◽  
Fe Substitution

Perovskite SrTiO3 and Fe Substituted SrTiO3 were prepared by solid-state reaction route as visible light active photosensitive materials for solar-hydrogen generation applications. Powder X-ray diffraction pattern confirms the formation of crystalline perovskite SrTiO3 phase at sintering temperature of 1273 K. The pattern of Fe substituted SrTiO3 exhibits number of peaks with splits and less crystalline indicating a lower symmetry structure upon substation at Sr and Ti sites. Crystallinity and crystallite size also finds decrease with increased Fe substitution. The band gap of SrTiO3 obtained by DR UV-Vis absorbance analysis at various sintering temperature approaches the theoretical value 3.06 eV. However, on Fe substitution the band gap is reduced to ~ 2.0-2.5 eV suggesting the materials can extend its absorption to the visible range also. FT-IR spectra confirmed that the Fe substituted SrTiO3 is similar to that of pure phase with bands corresponding to the hydroxyl and carboxyl groups. Since the substituted materials show reduced band gap, these materials can be utilized for photosensitive solar-hydrogen generation.

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