scholarly journals Photocatalytic activity and charge carrier dynamics of TiO2 powders with a binary particle size distribution

2018 ◽  
Vol 20 (12) ◽  
pp. 8119-8132 ◽  
Author(s):  
Fabian Sieland ◽  
Jenny Schneider ◽  
Detlef W. Bahnemann
Keyword(s):  
Particle Size ◽  
Titanium Dioxide ◽  
Photocatalytic Activity ◽  
Particle Size Distribution ◽  
Charge Carrier ◽  
Size Distribution ◽  
Carrier Dynamics ◽  
Charge Carrier Dynamics ◽  
Powder Samples

The effects of the particle size distribution on the charge carrier dynamics and the photocatalytic activity of mixed titanium dioxide (TiO2) powder samples were investigated in this work.

Effect of Dispersant on the Measurement of Particle Size Distribution of Titanium Dioxide

2012 ◽  
Vol 512-515 ◽  
pp. 261-264
Author(s):  
Li Shen ◽  
Jin Hu ◽  
Da Ping Wu
Keyword(s):  
Particle Size ◽  
Titanium Dioxide ◽  
Zeta Potential ◽  
Particle Size Distribution ◽  
Size Distribution ◽  
Anionic Surfactant ◽  
Sodium Sulfate ◽  
Aqueous Media ◽  
Rutile Tio2 ◽  
Tio2 Particles

As anionic surfactant, a commercial salt of lauryl sodium sulfate was used. The effects of different amounts of dispersant on the measurement of particle size distribution between two titanium dioxide powders (anatase and rutile) in aqueous media were discussed. Diluted aqueous suspensions were characterized in terms of particle size distribution and zeta potential. The results demonstrate that the measurement of particle size distribution strongly depends on the amounts of dispersant. The amounts of dispersant have a significant effect on the behavior of the rutile-TiO2 particles. The particle size first decreases significantly with an increase in the amounts of dispersant and then lesser increases with a further increase in the amounts of dispersant. The tendency show significant differences between two particles.

Photocatalytic activity of TiO2 nanoparticles: a theoretical aspect

2019 ◽  
Vol 7 (23) ◽  
pp. 13833-13859 ◽  
Author(s):  
Yeonsig Nam ◽  
Jong Hyeon Lim ◽  
Kyoung Chul Ko ◽  
Jin Yong Lee
Keyword(s):  
Photocatalytic Activity ◽  
Charge Carrier ◽  
Chemical Modification ◽  
Tio2 Nanoparticles ◽  
Theoretical Aspect ◽  
Carrier Dynamics ◽  
Theoretical Studies ◽  
Band Engineering ◽  
Charge Carrier Dynamics

Recent theoretical studies on geometric and chemical modification strategies, band engineering, and charge carrier dynamics of TiO2 nanoparticles are discussed.

Enhanced Photocatalytic Activity and Charge Carrier Dynamics of Hetero-Structured Organic–Inorganic Nano-Photocatalysts

2015 ◽  
Vol 7 (15) ◽  
pp. 7970-7978 ◽  
Author(s):  
Kamala K. Nanda ◽  
Smrutirekha Swain ◽  
Biswarup Satpati ◽  
Laxmidhar Besra ◽  
Biswajit Mishra ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Charge Carrier ◽  
Carrier Dynamics ◽  
Charge Carrier Dynamics
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