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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
发表期刊RSC ADVANCES
卷号4期号:108页码:63062-63069
摘要Titanate 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.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c4ra12488j
研究领域[WOS]Chemistry
关键词[WOS]CORE-SHELL NANOCATALYSTS ; METAL NANOPARTICLES ; THERMAL-STABILITY ; LIQUID-PHASE ; TIO2 ; PALLADIUM ; OXIDATION ; OXIDE ; REDUCTION ; CHEMISTRY
收录类别SCI
语种英语
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000345701500034
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10670
专题中国科学院广州能源研究所
作者单位1.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
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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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