A new recipe for preparing oxidized TiO2(110) surfaces:An STM study

Autor: Jonas Ø. Hansen, Stefan Wendt, Estephania Lira, Lutz Lammich, J. Matthiesen

Publikováno v: Hansen, J O, Matthiesen, J, Lira, E, Lammich, L & Wendt, S 2017, ' A new recipe for preparing oxidized TiO2(110) surfaces : An STM study ', Surface Science, vol. 666, pp. 113-122 . https://doi.org/10.1016/j.susc.2017.09.001

Using high-resolution scanning tunneling microscopy (STM), we have studied the oxidation of rutile TiO2(110)-(1x1) surfaces with Had species at room temperature. We followed the evolution of various stable species as function of the O-2 exposure, and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af2a8c9d709a6248eca038c93d981edd
https://pure.au.dk/portal/da/publications/a-new-recipe-for-preparing-oxidized-tio2110-surfaces(084dda43-6653-45a1-9784-aed3e32be2f4).html

Correlating Catalytic Methanol Oxidation with the Structure and Oxidation State of Size-Selected Pt Nanoparticles

Autor: Beatriz Roldan Cuenya, Judith C. Yang, Mahdi Ahmadi, Estephania Lira, Jeronimo Matos, Luis K. Ono, Long Li, Farzad Behafarid, Lindsay R. Merte

Publikováno v: ACS Catalysis. 3:1460-1468

We have investigated the structure and chemical state of size-selected platinum nanoparticles (NPs) prepared by micelle encapsulation and supported on γ-Al2O3 during the oxidation of methanol under oxygen-rich reaction conditions following both oxid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a5eedb08cb4d3979e05455144bf77962
https://doi.org/10.1021/cs400234h

The Importance of Bulk Ti3+ Defects in the Oxygen Chemistry on Titania Surfaces

Autor: Ralf Bechstein, Flemming Besenbacher, Stefan Wendt, Regine Streber, Yinying Wei, Jonas Ø. Hansen, Søren Porsgaard, Estephania Lira, Peipei Huo, Erik Lægsgaard

Publikováno v: Journal of the American Chemical Society
Lira, E, Wendt, S, Huo, P, Hansen, J Ø, Streber, R, Porsgaard, S, Wei, Y, Bechstein, R, Lægsgaard, E & Besenbacher, F 2011, ' The importance of bulk ti(3+) defects in the oxygen chemistry on titania surfaces ', Journal of the American Chemical Society, vol. 133, no. 17, pp. 6529-32 . https://doi.org/10.1021/ja200884w

The role of bulk defects in the oxygen chemistry on reduced rutile TiO(2)(110)-(1 × 1) has been studied by means of temperature-programmed desorption spectroscopy and scanning tunneling microscopy measurements. Following O(2) adsorption at 130 K, th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79aaecc402e22c9fee115de47a251cf5
https://doi.org/10.1021/ja200884w

Enhanced Bonding of Silver Nanoparticles on Oxidized TiO2(110)

Autor: Jian-guo Wang, Patrick Galliker, Jonas Ø. Hansen, Zhongshan Li, Phillip Sprunger, E. Lægsgaard, Bjørk Hammer, Flemming Besenbacher, Stefan Wendt, Estephania Lira

Publikováno v: Hansen, J Ø, Salazar, E L, Galliker, P, Wang, J, Sprunger, P T, Li, Z, Lægsgaard, E, Wendt, S, Hammer, B & Besenbacher, F 2010, ' Enhanced Bonding of Silver Nanoparticles on Oxidized TiO2(110) ', Journal of Physical Chemistry C, vol. 114, no. 40, pp. 16964-16972 . https://doi.org/10.1021/jp101714r

The nucleation and growth of silver nanoclusters on TiO2(110) surfaces with on-top O adatoms (oxidized TiO2), surface O vacancies and H adatoms (reduced TiO2) have been studied. From the interplay of scanning tunneling microscopy/photoelectron spectr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2505bc42cb3abb5654b08a8e28a8518d
https://doi.org/10.1021/jp101714r

The Role of Interstitial Sites in the Ti 3d Defect State in the Band Gap of Titania

Autor: Asger Blekinge-Rasmussen, Bjørk Hammer, E. Lægsgaard, Jonas Ø. Hansen, Flemming Besenbacher, Estephania Lira, Stefan Wendt, Georg K. H. Madsen, J. Matthiesen, Zhongshan Li, Phillip Sprunger

Publikováno v: Wendt, S, Sprunger, P, Lira, E, Madsen, G K H, Li, Z, Hansen, J Ø, Matthiesen, J, Blekinge-Rasmussen, A, Lægsgaard, E, Hammer, B & Besenbacher, F 2008, ' The Role of Interstitial Sites in the Ti 3d Defect State in the Band Gap of Titania ', Science, vol. 320, pp. 1755-1759 . https://doi.org/10.1126/science.1159846

Titanium dioxide (TiO 2 ) has a number of uses in catalysis, photochemistry, and sensing that are linked to the reducibility of the oxide. Usually, bridging oxygen (O br ) vacancies are assumed to cause the Ti 3d defect state in the band gap of rutil

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6888442efb76a159934a55e1fcae6aea
https://doi.org/10.1126/science.1159846