12-Tungstophosphates I-mmobilized on Chemically Modified Mesoporous Silica SBA-15

ZHUJing、YOUWan-sheng、ZHUZai-ming、SUNZhen-gang、ZHANGLan-cui、GUYuan-peng

2005Acta Scientiarum Naturalium Universitatis SunyatseniMaterials Science被引 1

摘要

A functionalized material, PW/SBA-15m, was prepared successfully in diluted H2SO4 aqueous solutions by immobilizing 12-tungstophosphates on chemically modified mesoporous silica SBA-15 and characterized by elemental analysis, FTIR, 31P MAS NMR, XRD and TEM. The results indicate that the framework of SBA-15 and the Keggin structure of PW12O3-40 were retained, and that 23%-33%(mass fraction) of PW12O3-40 was immobilized; the PW12O3-40 anions were finely dispersed on the pore wall of SBA-15. Having been leached in ethanol at 60 ℃ for 7 h, the loss of PW12O3-40 anions was not found.

引用本文（GB/T 7714）

ZHUJing, YOUWan-sheng, ZHUZai-ming, 等. 12-Tungstophosphates I-mmobilized on Chemically Modified Mesoporous Silica SBA-15[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2005.

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