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Elucidating the Nature and Reactivity of Ti Ions Incorporated in the Framework of AIPO-5 Molecular Sieves. New Evidence from P HYSCORE Spectroscopy.

The incorporation of Ti ions within the framework of aluminophosphate zeotype AlPO-5 and their chemical reactivity is studied by means of CW-EPR, MY- SCORE, and UV-vis spectroscopies. Upon reduction, Ti ions are formed, which exhibit large P hyperfine couplings, providing direct evidence for framewo...

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Publicado en:Journal of the American Chemical Society Vol. 133; no. 19; pp. 7340 - 7344
Autores principales: Maurelli, Sara, Vishnuvarthan, Muthusamy, Chiesa, Mario, Berlier, Gloria, Van Doorslaer, Sabine
Formato: Artículo
Publicado: American Chemical Society 5/18/2011
Materias:
Transition metal ions
Spectrum analysis
Ion sources
Atomic spectra
Hyperfine interactions
Acceso en línea:Ver este registro en EBSCOhost
Sumario:The incorporation of Ti ions within the framework of aluminophosphate zeotype AlPO-5 and their chemical reactivity is studied by means of CW-EPR, MY- SCORE, and UV-vis spectroscopies. Upon reduction, Ti ions are formed, which exhibit large P hyperfine couplings, providing direct evidence for framework substitution of reducible Ti ions at Al sites.