Literature DB >> 21517427

Photocatalytic activity of bulk TiO2 anatase and rutile single crystals using infrared absorption spectroscopy.

Mingchun Xu1, Youkun Gao, Elias Martinez Moreno, Marinus Kunst, Martin Muhler, Yuemin Wang, Hicham Idriss, Christof Wöll.   

Abstract

A systematic study on the photocatalytic activity of well-defined, macroscopic bulk single-crystal TiO(2) anatase and rutile samples has been carried out, which allows us to link photoreactions at surfaces of well-defined oxide semiconductors to an important bulk property with regard to photochemistry, the life time of e-h pairs generated in the bulk of the oxides by photon absorption. The anatase (101) surface shows a substantially higher activity, by an order of magnitude, for CO photo-oxidation to CO(2) than the rutile (110) surface. This surprisingly large difference in activity tracks the bulk e-h pair lifetime difference for the two TiO(2) modifications as determined by contactless transient photoconductance measurements on the corresponding bulk materials.
© 2011 American Physical Society

Entities:  

Year:  2011        PMID： 21517427     DOI： 10.1103/PhysRevLett.106.138302

Source DB:  PubMed          Journal:  Phys Rev Lett        ISSN： 0031-9007            Impact factor:   9.161


  18 in total

1.  Facet-dependent trapping and dynamics of excess electrons at anatase TiO2 surfaces and aqueous interfaces.

Authors:  Sencer Selcuk; Annabella Selloni
Journal:  Nat Mater       Date:  2016-06-20       Impact factor: 43.841

2.  Photoinduced Charge Transfer from Titania to Surface Doping Site.

Authors:  Talgat Inerbaev; James D Hoefelmeyer; Dmitri S Kilin
Journal:  J Phys Chem C Nanomater Interfaces       Date:  2013-05-16       Impact factor: 4.126

3.  Multiparameter toxicity screening on a chip: Effects of UV radiation and titanium dioxide nanoparticles on HaCaT cells.

Authors:  Scott McCormick; Louise E Smith; Amy M Holmes; Ziqiu Tong; Enzo Lombi; Nicolas H Voelcker; Craig Priest
Journal:  Biomicrofluidics       Date:  2019-08-27       Impact factor: 2.800

4.  Band Alignment and Controllable Electron Migration between Rutile and Anatase TiO2.

Authors:  Yang Mi; Yuxiang Weng
Journal:  Sci Rep       Date:  2015-07-14       Impact factor: 4.379

5.  Probing electrons in TiO2 polaronic trap states by IR-absorption: evidence for the existence of hydrogenic states.

Authors:  Hikmet Sezen; Maria Buchholz; Alexei Nefedov; Carsten Natzeck; Stefan Heissler; Cristiana Di Valentin; Christof Wöll
Journal:  Sci Rep       Date:  2014-01-22       Impact factor: 4.379

6.  Why is anatase a better photocatalyst than rutile?--Model studies on epitaxial TiO2 films.

Authors:  Tim Luttrell; Sandamali Halpegamage; Junguang Tao; Alan Kramer; Eli Sutter; Matthias Batzill
Journal:  Sci Rep       Date:  2014-02-10       Impact factor: 4.379

7.  Comparing photoelectrochemical water oxidation, recombination kinetics and charge trapping in the three polymorphs of TiO2.

Authors:  Benjamin Moss; Kee Kean Lim; Alessandro Beltram; Savio Moniz; Junwang Tang; Paolo Fornasiero; Piers Barnes; James Durrant; Andreas Kafizas
Journal:  Sci Rep       Date:  2017-06-07       Impact factor: 4.379

8.  Development of novel anti-Kv 11.1 antibody-conjugated PEG-TiO2 nanoparticles for targeting pancreatic ductal adenocarcinoma cells.

Authors:  Angelica Sette; Jolanda Spadavecchia; Jessem Landoulsi; Sandra Casale; Bernard Haye; Olivia Crociani; Annarosa Arcangeli
Journal:  J Nanopart Res       Date:  2013-11-16       Impact factor: 2.253

9.  A roadmap of strain in doped anatase TiO2.

Authors:  N Kelaidis; A Kordatos; S-R G Christopoulos; A Chroneos
Journal:  Sci Rep       Date:  2018-08-24       Impact factor: 4.379

10.  Morphology, Surface Structure and Water Adsorption Properties of TiO2 Nanoparticles: A Comparison of Different Commercial Samples.

Authors:  Lorenzo Mino; Chiara Negri; Rosangela Santalucia; Giuseppina Cerrato; Giuseppe Spoto; Gianmario Martra
Journal:  Molecules       Date:  2020-10-10       Impact factor: 4.411
View more

北京卡尤迪生物科技股份有限公司 © 2022-2023.