ICCAS OpenIR
Post-Synthesis of Ti-SBA-15 in Supercritical CO2-Ethanol Solution
Feng, Ji1; An, Guimin2; Chen, Biaohua1; Li, Yingxia1; Ding, Kunlun2; Xie, Yun2; Liu, Zhimin2
2009-07-01
Source PublicationCLEAN-SOIL AIR WATER
ISSN1863-0650
Volume37Issue:7Pages:527-533
AbstractTi-SBA-15 materials with Ti incorporated into the framework of SBA-15 and controllable Ti contents were successfully prepared via a post-treatment route in supercritical CO2-ethanol solution, followed by calcination. The resultant Ti-SBA-15 materials were characterized by means of different techniques including X-ray diffraction, Xray photoelectron spectroscopy, transmission electron microscopy, IR analysis, and N-2 sorption analysis. It was demonstrated that the resultant materials retained a structure similar to that of the parent SBA-15, and Ti was incorporated into the framework of SBA-15. At high Ti content, Le, Si/Ti = 5:1, a TiO2 phase formed and was coated onto the inner surface of SBA-15 in addition to the incorporation of the Ti in the framework. The BET surface areas of the Ti-SBA-15 samples decreased with increasing Ti content. The presence of small amounts of H2O in the reaction medium may have resulted in some TiO2 nanoparticles being uniformly distributed in the pores of the SBA-15 accompanying the incorporation of Ti in the SBA-15 framework.
KeywordCatalysis Co2 Molecular Sieves Nanoparticles Supercritical Fluids Ti-sba-15 Titan
DOI10.1002/clen.200900030
Indexed BySCI
Language英语
WOS IDWOS:000268529800006
PublisherWILEY-BLACKWELL
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/66962
Collection中国科学院化学研究所
Corresponding AuthorChen, Biaohua
Affiliation1.Beijing Inst Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Chem, BNLMS, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Feng, Ji,An, Guimin,Chen, Biaohua,et al. Post-Synthesis of Ti-SBA-15 in Supercritical CO2-Ethanol Solution[J]. CLEAN-SOIL AIR WATER,2009,37(7):527-533.
APA Feng, Ji.,An, Guimin.,Chen, Biaohua.,Li, Yingxia.,Ding, Kunlun.,...&Liu, Zhimin.(2009).Post-Synthesis of Ti-SBA-15 in Supercritical CO2-Ethanol Solution.CLEAN-SOIL AIR WATER,37(7),527-533.
MLA Feng, Ji,et al."Post-Synthesis of Ti-SBA-15 in Supercritical CO2-Ethanol Solution".CLEAN-SOIL AIR WATER 37.7(2009):527-533.
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