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Photo‐induced Transformation, upon UV Illumination in Air, of Hyponitrite SpeciesN 2 O 2 2‐ Preadsorbed onTiO 2 Surface
Author(s) -
Navio J. A.,
Cerrillos C.,
Real C.
Publication year - 1996
Publication title -
surface and interface analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.52
H-Index - 90
eISSN - 1096-9918
pISSN - 0142-2421
DOI - 10.1002/(sici)1096-9918(199605)24:5<355::aid-sia122>3.0.co;2-d
Subject(s) - ultraviolet , photochemistry , chemistry , adsorption , nitrogen , ultraviolet radiation , transformation (genetics) , oxide , materials science , organic chemistry , optoelectronics , radiochemistry , biochemistry , gene
Ultraviolet photo‐excitation of hydroxylated TiO 2 surfaces in the presence of a mixture of N 2 /O 2 gas (air) produces some adsorbed nitrogen oxide species which were previously identified as hyponitrite, N 2 O 2 2‐ . The present paper reports selected results relating to the photo‐induced transformations, upon UV illumination in air, of N 2 O 2 2‐ species preadsorbed on TiO 2 surfaces. It provides some information about the mechanism by which dinitrogen is photofixed on TiO 2 surface and of its phototransformation.