DICP OpenIR
Preparation, Characterization and Catalysis Properties of Ag/SBA-15 Nanocomposite by Supercritical Fluid Deposition
Yin Jian-Zhong1; Zhang Chuan-Jie1; Xu Qin-Qin1; Wang Ai-Qin2
KeywordSupercritical Fluid Deposition Inorganic Metallic Salts Cosolvent Sba-15 Nanocomposite
Source PublicationJOURNAL OF INORGANIC MATERIALS
2009
Volume24Issue:1Pages:129-132
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
WOS SubjectMaterials Science, Ceramics
WOS Research AreaMaterials Science
WOS KeywordCARBON NANOTUBES ; AEROGEL NANOCOMPOSITES ; NANOPARTICLES ; SILICA ; ROUTE
AbstractAg/SBA-15 nanocomposite was prepared by supercritical fluid deposition (SCFD) method, with AgNO(3) as the precursor and ethanol or glycol as the cosolvent. AgNO(3) was firstly deposited onto the SBA-15 support at 50 degrees C, 23-25MPa, and reacted for 3-24h. The resultant composite was then subjected to calcination and reduction treatment for obtaining Ag/SBA-15 nanocomposite. Characterizations with XRD and TEM show that Ag nanoparticles (with sizes of 3-7nm) or nanowires (5-9nm in width and tens of nanometers to several micrometers in length) are formed in the nanochannels of SBA-15 support. It is demonstrated that SCFD is a green and effective method for preparation of nanocomposite. With the aid of cosolvent, the supercritical carbon dioxide can dissolve the inorganic metallic salts. Moreover, the morphologies of the nanocomposite can be controlled to some extent by selecting the deposition conditions. A catalytic test on the Ag/SBA-15 nanocomposite shows that the sample has a moderate activity, with the complete conversion of CO at 300 degrees C.
Language英语
WOS IDWOS:000262534800028
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/141470
Collection中国科学院大连化学物理研究所
Affiliation1.Dalian Univ Technol, Sch Chem Engn, Dalian 116012, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Yin Jian-Zhong,Zhang Chuan-Jie,Xu Qin-Qin,et al. Preparation, Characterization and Catalysis Properties of Ag/SBA-15 Nanocomposite by Supercritical Fluid Deposition[J]. JOURNAL OF INORGANIC MATERIALS,2009,24(1):129-132.
APA Yin Jian-Zhong,Zhang Chuan-Jie,Xu Qin-Qin,&Wang Ai-Qin.(2009).Preparation, Characterization and Catalysis Properties of Ag/SBA-15 Nanocomposite by Supercritical Fluid Deposition.JOURNAL OF INORGANIC MATERIALS,24(1),129-132.
MLA Yin Jian-Zhong,et al."Preparation, Characterization and Catalysis Properties of Ag/SBA-15 Nanocomposite by Supercritical Fluid Deposition".JOURNAL OF INORGANIC MATERIALS 24.1(2009):129-132.
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