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IJC-A Vol.51A(07) [July 2012] >


Title: Preparation and characterization of high surface area α-AlF3
Authors: Yu, Hongbo
Jia, Wenzhi
Wang, Yuejuan
Lu, Jiqing
Luo, Mengfei
Keywords: High surface area
Fluorination
Raman spectra
Crystal structure
Aluminium fluoride
Issue Date: Jul-2012
Publisher: NISCAIR-CSIR, India
Abstract: High surface area -AlF3 has been prepared by a carbon hard template method, Wherein -Al2O3 is immersed with sucrose aqueous solution and the dried mixture thermally treated under N2 flow at 450 oC to obtain the C@-Al2O3. C@-Al2O3 can be completely transformed to C@-AlF3 with hydrogen fluoride at 400 oC. After the carbon template in C@-AlF3 is removed by high temperature combustion, a high surface area -AlF3 (66 m2 g-1) is obtained. It is found that the fluorination process is crucial for the resulting -AlF3. Although high fluorination temperature is favorable to the formation of -AlF3, it also results in the decline of surface area.
Page(s): 927-930
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-0975(Online); 0376-4710(Print)
Source:IJC-A Vol.51A(07) [July 2012]

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