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Abstract:
采用XRD, FTIR, UV-Vis DRS和TG等手段对四丁基锡改性的MCM-41及其在高纯氧气流中焙烧后得到的Sn-O-MCM-41介孔分子筛进行了表征, 发现焙烧前后样品的水热稳定性、表面酸性以及表面锡物种的配位形式明显不同. 焙烧后表面锡原子仍保持四配位形式, 水热稳定性提高, 表面L酸酸性增强. 据此对Sn-O-MCM-41样品催化活性提高的原因进行了讨论.
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光谱学与光谱分析
ISSN: 1000-0593
CN: 11-2200/O4
Year: 2005
Issue: 3
Volume: 25
Page: 470-472
0 . 5 5 7
JCR@2005
0 . 7 0 0
JCR@2023
ESI Discipline: CHEMISTRY;
JCR Journal Grade:4
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 5
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