Pyrocatechol as a surface capping molecule on rutile TiO2 (110)
نویسندگان
چکیده
منابع مشابه
Acetone Chemistry On Oxidized Rutile TiO2(110)
Surface defects are known to dominate both the electronic and chemical properties of metal oxide surfaces, an object of much study for use in catalytic processes. In order to study surface chemistry in detail, an ultra-high vacuum (UHV) chamber was designed to combine a LEED and STM system. Construction is underway, with a reported initial base pressure of 10−9 Torr revealing no major leaks. On...
متن کاملDehydration and dehydrogenation of ethylene glycol on rutile TiO2(110).
The interactions of ethylene glycol with a partially reduced rutile TiO2(110) surface have been studied using temperature programmed desorption (TPD). The saturation coverage on surface Ti rows is determined to be 0.43 monolayer (ML), slightly less than one ethylene glycol per two Ti sites. Most of the adsorbed ethylene glycol (∼80%) undergoes further reactions to yield other products. Two majo...
متن کاملSurface-Induced Anisotropic Binding of a Rhenium CO2‐Reduction Catalyst on Rutile TiO2(110) Surfaces
Vibrational sum frequency generation (SFG) spectroscopy has been utilized to study the spatial orientation and alignment of Re(CO)3Cl(dcbpy) (dcbpy = 4,4′-dicarboxy2,2′-bipyridine) (or ReC0A) on the (001) and (110) surfaces of rutile single-crystalline TiO2. The SFG intensity of the CO stretching modes shows an isotropic distribution on the (001) surface and an anisotropic distribution on the (...
متن کاملNO adsorption and diffusion on hydroxylated rutile TiO2(110).
We report a computational study of NO adsorption and diffusion on the hydroxylated rutile TiO2(110) surface performed with density functional theory (DFT) calculations corrected by on-site Coulomb corrections and long-range dispersion interactions. NO prefers to adsorb with its N-end down at surface Ti5c sites. The excess electron that is located at a subsurface site for the hydroxylated surfac...
متن کاملInteraction of CO2 with oxygen adatoms on rutile TiO2(110).
The interactions of CO2 with oxygen adatoms (Oa's) on rutile TiO2(110) surfaces have been studied using scanning tunneling microscopy. At 50 K CO2 is found to adsorb preferentially on five-coordinated Ti sites (Ti5c's) next to Oa's rather than on oxygen vacancies (VO's) (the most stable adsorption sites on reduced TiO2(110)). Temperature dependent studies show that after annealing to 100-160 K,...
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ژورنال
عنوان ژورنال: Surface Science
سال: 2012
ISSN: 0039-6028
DOI: 10.1016/j.susc.2011.10.005