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High performance Pd catalyst using silica modified titanate nanotubes (STNT) as support and its catalysis toward hydrogenation of cinnamaldehyde at ambient temperature
Yang, Xu1; Wu, Liangpeng1; Du, Li2; Long, Lizhen1; Wang, Tiejun1; Ma, Longlong1; Li, Xinjun1; Liao, Shijun2
2014
Source PublicationRSC ADVANCES
Volume4Issue:108Pages:63062-63069
AbstractTitanate nanotubes (TNTs) were coupled with amino-propyl-triethoxy silane (KH550) and calcinated at 400 degrees C, then the silica modified titanate nanotubes (STNTs) were prepared and used as the support of a Pd catalyst by the method of wet-impregnation. The catalyst was characterized with XRD, Raman spectra, TEM, XPS, and H-2-TPR/TPD. The silica modification could effectively resist morphology collapse and crystallization of TNT during calcination, and preserve the high surface area of the TNT support, which contribute to the high metal dispersion of loaded Pd. Moreover, the introduced silica could strengthen the metal-support interaction, causing an electronic effect that facilitates the reduction of Pd ions. The Pd/STNT showed 3 times and 2.5 times higher activity than those of commercial Pd/C and unmodified Pd/TNT catalysts towards the selective hydrogenation of cinnamaldehyde at room temperature, respectively, indicating the enhanced catalytic activity by the addition of silica.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c4ra12488j
WOS Subject ExtendedChemistry
WOS KeywordCORE-SHELL NANOCATALYSTS ; METAL NANOPARTICLES ; THERMAL-STABILITY ; LIQUID-PHASE ; TIO2 ; PALLADIUM ; OXIDATION ; OXIDE ; REDUCTION ; CHEMISTRY
Indexed BySCI
Language英语
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000345701500034
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10670
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510641, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Yang, Xu,Wu, Liangpeng,Du, Li,et al. High performance Pd catalyst using silica modified titanate nanotubes (STNT) as support and its catalysis toward hydrogenation of cinnamaldehyde at ambient temperature[J]. RSC ADVANCES,2014,4(108):63062-63069.
APA Yang, Xu.,Wu, Liangpeng.,Du, Li.,Long, Lizhen.,Wang, Tiejun.,...&Liao, Shijun.(2014).High performance Pd catalyst using silica modified titanate nanotubes (STNT) as support and its catalysis toward hydrogenation of cinnamaldehyde at ambient temperature.RSC ADVANCES,4(108),63062-63069.
MLA Yang, Xu,et al."High performance Pd catalyst using silica modified titanate nanotubes (STNT) as support and its catalysis toward hydrogenation of cinnamaldehyde at ambient temperature".RSC ADVANCES 4.108(2014):63062-63069.
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