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Browsing by Subject "Photodegradation"

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Comparative photocatalytic activity of sol–gel derived rare earth metal (La, Nd, Sm and Dy)-doped ZnO photocatalysts for degradation of dyes

Alam, Umair; Khan, Azam; Ali, Danish; Bahnemann, Detlef W.; Muneer, M. (Cambridge : Royal Society of Chemistry, 2018)

Rare earth metal doping into semiconductor oxides is considered to be an effective approach to enhance photocatalytic activity due to its ability to retard the electron–hole pair recombination upon excitation. Herein, we ...
Microstructural evolution and functional fatigue of a Ti–25Ta high-temperature shape memory alloy

Maier, Hans Jürgen; Karsten, Elvira; Paulsen, Alexander; Langenkämper, Dennis; Decker, Peer; Frenzel, Jan; Somsen, Christoph; Ludwig, Alfred; Eggeler, Gunther; Niendorf, Thomas (Cambridge : Cambridge University Press, 2017)

Titanium–tantalum based alloys can demonstrate a martensitic transformation well above 100 °C, which makes them attractive for shape memory applications at elevated temperatures. In addition, they provide for good workability ...
Photodegradation of herbicide imazapyr and phenol over mesoporous bicrystalline phases TiO2: A kinetic study

Atitar, Mohamed Faycal; Ismail, Adel A.; Dillert, Ralf; Bahnemann, Detlef W. (Basel : MDPI AG, 2019)

Mesoporous TiO2 nanoparticles were synthesized at different temperatures (400–800 °C). The resulting mesoporous anatase–rutile TiO2 mixtures between 27 and 82% were found to have different structural properties (morphology, ...
Photodegradation of microcystin-LR using visible light-activated C/N-co-modified mesoporous TiO 2 photocatalyst

Khedr, Tamer M.; El-Sheikh, Said M.; Ismail, Adel A.; Kowalska, Ewa; Bahnemann, Detlef W. (Basel : MDPI AG, 2019)

Microcystin-LR (MC-LR), a potent hepatotoxin produced by the cyanobacteria, is of increasing concern worldwide because of severe and persistent impacts on humans and animals by inhalation and consumption of contaminated ...
Understanding charge transfer processes on metal oxides - A laser-flash-photolysis study

Sieland, Fabian; Schneider, Jenny; Lippmann, Thorsten; Bahnemann, Detlef W. (Bellingham, WA : S P I E - International Society for Optical Engineering, 2016)

In the focus of this study, mixtures of commercially available TiO2 powders were created and their photocatalytic activity concerning the acetaldehyde degradation in the gas phase was tested. Further, the lifetime of the ...

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Browsing by Subject "Photodegradation"

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