Correlation between photoreactivity and photophysics of sulfated TiO2 photocatalyst

2005 ◽  
Vol 92 (2-3) ◽  
pp. 470-474 ◽  
Author(s):  
Yue-Hua Xu ◽  
Liang-Yan Wang ◽  
Qi Zhang ◽  
Shao-Jian Zheng ◽  
Xin-Jun Li ◽  
...  
Keyword(s):  
Tio2 Photocatalyst ◽  
Sulfated Tio2

Structural and surface approach to the enhanced photocatalytic activity of sulfated TiO2 photocatalyst

2006 ◽  
Vol 63 (1-2) ◽  
pp. 45-59 ◽  
Author(s):  
G. Colón ◽  
M.C. Hidalgo ◽  
G. Munuera ◽  
I. Ferino ◽  
M.G. Cutrufello ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Tio2 Photocatalyst ◽  
Surface Approach ◽  
Sulfated Tio2

Studies on the Fe3+ Doping Effect on Structural, Optical and Catalytic Properties of Hydrothermally Synthesized TiO2 Photocatalyst

2017 ◽  
Vol 7 (2) ◽  
Author(s):  
Ravi Kamble ◽  
Sandip Sabale ◽  
Prashant Chikode ◽  
Vijaya Puri ◽  
Xiao-Ying Yu ◽  
...  
Keyword(s):  
Catalytic Properties ◽  
Doping Effect ◽  
Tio2 Photocatalyst

Bilayer coatings based on silica materials and iron (III) phthalocyanine – Sensitized TiO2 photocatalyst

2021 ◽  
Vol 138 ◽  
pp. 111222
Author(s):  
Violeta Purcar ◽  
Valentin Rădiţoiu ◽  
Alina Rădiţoiu ◽  
Florentina Monica Raduly ◽  
Raluca Manea ◽  
...  
Keyword(s):  
Tio2 Photocatalyst ◽  
Silica Materials ◽  
Bilayer Coatings

scholarly journals ALD coating of centrifugally spun polymeric fibers and postannealing: case study for nanotubular TiO2 photocatalyst

2021 ◽  
Author(s):  
Martina Rihova ◽  
Oksana Yurkevich ◽  
Martin Motola ◽  
Ludek Hromadko ◽  
Zdeněk Spotz ◽  
...  
Keyword(s):  
Atomic Layer Deposition ◽  
Atomic Layer ◽  
Vinyl Pyrrolidone ◽  
Tio2 Photocatalyst ◽  
Polymeric Fibers ◽  
Layer Deposition ◽  
Centrifugal Spinning ◽  
Poly Vinyl Pyrrolidone

This work describes the synthesis of highly photocatalytically active TiO2 tubes (TiTBs) by combining centrifugal spinning and atomic layer deposition (ALD). Poly(vinyl pyrrolidone) (PVP) fibers were first produced by centrifugal...

scholarly journals Photocatalytic Conversion of Organic Pollutants in Air: Quantum Yields Using a Silver/Nitrogen/TiO2 Mesoporous Semiconductor under Visible Light

Catalysts ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 529
Author(s):  
Adilah Sirivallop ◽  
Salvador Escobedo ◽  
Thanita Areerob ◽  
Hugo de Lasa ◽  
Siriluk Chiarakorn
Keyword(s):  
Visible Light ◽  
Solvothermal Method ◽  
Methanol Conversion ◽  
Quantum Yields ◽  
Tio2 Photocatalyst ◽  
Silver Surface ◽  
Technical Literature ◽  
Volatile Organic ◽  
Irradiation Period ◽  
Particle Agglomerate

This research studies the photocatalytic conversion of methanol (25–90 µmol/L range) as a volatile organic compound (VOC) surrogate into CO2, using a N/Ag/TiO2 photocatalyst under visible light irradiation in a Photo-CREC Air unit. The N/Ag/TiO2 mesh supported photocatalyst is prepared via the solvothermal method. While the bare-TiO2 is inactive under visible light, the N/Ag/TiO2 2 wt.% loaded stainless-steel woven mesh displays 35% quantum yields, with 80% absorbed photons and 60% methanol conversion in a 110 min irradiation period. Results obtained are assigned to silver surface plasmon resonance, silver and nitrogen species synergistic impacts on band gap, and their influence on particle agglomerate size and semiconductor acidity. The determined quantum yields under visible light in a Photo-CREC Air unit, are the highest reported in the technical literature, that these authors are aware of, with this opening unique opportunity for the use of visible light for the purification of air from VOC contaminants.

scholarly journals Sulfated TiO2/SnO2 nanocomposite as a green heterogeneous catalyst for direct amide formation reaction

2021 ◽  
Vol 3 ◽  
pp. 100102
Author(s):  
S.M. Patil ◽  
S.A. Vanalakar ◽  
S.A. Sankpal ◽  
S.P. Deshmukh ◽  
S.D. Delekar
Keyword(s):  
Heterogeneous Catalyst ◽  
Formation Reaction ◽  
Amide Formation ◽  
Sulfated Tio2

scholarly journals Au Modified F-TiO2 for Efficient Photocatalytic Synthesis of Hydrogen Peroxide

Molecules ◽  
2021 ◽  
Vol 26 (13) ◽  
pp. 3844
Author(s):  
Lijuan Li ◽  
Bingdong Li ◽  
Liwei Feng ◽  
Xiaoqiu Zhang ◽  
Yuqian Zhang ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Reaction System ◽  
Reaction Medium ◽  
Pure Tio2 ◽  
H2o2 Production ◽  
Tio2 Photocatalyst ◽  
H2o2 Decomposition ◽  
Spin Resonance ◽  
Photocatalytic Synthesis

In this work, Au-modified F-TiO2 is developed as a simple and efficient photocatalyst for H2O2 production under ultraviolet light. The Au/F-TiO2 photocatalyst avoids the necessity of adding fluoride into the reaction medium for enhancing H2O2 synthesis, as in a pure TiO2 reaction system. The F− modification inhibits the H2O2 decomposition through the formation of the ≡Ti–F complex. Au is an active cocatalyst for photocatalytic H2O2 production. We compared the activity of TiO2 with F− modification and without F− modification in the presence of Au, and found that the H2O2 production rate over Au/F-TiO2 reaches four times that of Au/TiO2. In situ electron spin resonance studies have shown that H2O2 is produced by stepwise single-electron oxygen reduction on the Au/F-TiO2 photocatalyst.

Tailoring hierarchical porous TiO2 based ternary rGO/NiO/TiO2 photocatalyst for efficient hydrogen production and degradation of Rhodamine B

2021 ◽  
Vol 1235 ◽  
pp. 130222
Author(s):  
Kadavath Santhosh ◽  
Saddam SK ◽  
Sadhana Chouti ◽  
Spandana Gonuguntla ◽  
Sai Prasad Ega ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Rhodamine B ◽  
Tio2 Photocatalyst ◽  
Porous Tio2 ◽  
Hierarchical Porous
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