Synthesis and characterisation of R3+: AlPO4 (where R=Ce, Pr and Nd)

Byrappa, K. and Suresh Kumar, B. V. and Rao, G. V. Narasimha and Vijaya Kumar, M. S. and Ranganathaiah, C. (2007) Synthesis and characterisation of R3+: AlPO4 (where R=Ce, Pr and Nd). MATERIALS RESEARCH INNOVATIONS, 11 (3). pp. 122-126.

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Abstract

Aluminophosphate molecular sieve zeolites have been synthesised under hydrothermal conditions in the presence of structure directing agents such as organic amines. The addition of R3+ ions into the aluminophosphate framework not only enhances the stability of the framework but also enlarges the pore diameter, which helps in sieving larger molecules. Besides, it also enhances the catalytic efficiency in zeolites. The materials obtained have been subjected to a systematic characterisation such as powder X-ray diffraction ( XRD), X-ray fluorescence ( XRF) analysis, fourier transform infrared ( FTIR), positron annihilation lifetime ( PAL) measurements, Brunauer-Emmett-Teller ( BET) surface area measurement and SEM.

Item Type: Article
Uncontrolled Keywords: aluminophosphate zeolites; R3+: AlPO4; positron annihilation lifetime spectroscopy; hydrothermal synthesis; IR spectroscopy of zeolites
Subjects: Physical Sciences > Earth Science
Physical Sciences > Physics
Divisions: PG Campuses > Manasagangotri, Mysore > Earth Science
PG Campuses > Manasagangotri, Mysore > Physics
Depositing User: Users 7 not found.
Date Deposited: 04 Apr 2013 09:50
Last Modified: 29 Aug 2013 09:28
URI: http://eprints.uni-mysore.ac.in/id/eprint/3381

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