The UV - Raman spectra of a crystalline and a defective ETS-10 sample have shown that the two materials possess different stability under the laser beam. These results are interpreted in terms of a possible light-induced healing of defects in the case of the defective sample, through annealing of two vicinal TiOH groups along the Ti-O-Ti chains. Possible implications for the preparation of highly ordered materials are envisaged.
Healing of defects in ETS-10 by selective UV irradiation: a Raman study
DAMIN, Alessandro Ali;BORDIGA, Silvia;ZECCHINA, Adriano
2003-01-01
Abstract
The UV - Raman spectra of a crystalline and a defective ETS-10 sample have shown that the two materials possess different stability under the laser beam. These results are interpreted in terms of a possible light-induced healing of defects in the case of the defective sample, through annealing of two vicinal TiOH groups along the Ti-O-Ti chains. Possible implications for the preparation of highly ordered materials are envisaged.
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