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Volumn 7, Issue 4, 2015, Pages 635-642

Palladium nanoparticles supported on fibrous-structured silica nanospheres (KCC-1): An efficient and selective catalyst for the transfer hydrogenation of alkenes

Author keywords

chemoselectivity; fibrous nanosilica; hydrogenation; nanocatalysis; palladium

Indexed keywords

CARBONYL COMPOUNDS; CATALYST ACTIVITY; CATALYSTS; HYDROCARBONS; HYDROGENATION; LOADING; MORPHOLOGY; NANOPARTICLES; NANOSPHERES; PALLADIUM; SILICA; UNSATURATED COMPOUNDS;

EID: 84922656695     PISSN: 18673880     EISSN: 18673899     Source Type: Journal    
DOI: 10.1002/cctc.201402781     Document Type: Article
Times cited : (72)

References (108)
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    • According to the work described by, M. Ide, M. El-Roz, E. De Canck, A. Vicente, T. Planckaert, T. Bogaerts, I. Van Driessche, F. Lynen, V. Van Speybroeck, F. Thybault-Starzyk, P. Van Der Voort, Phys. Chem. Chem. Phys. 2013, 15, 642-650, MCM-41 and SBA-15 contain a comparable amount of bulk silanols (3.6 and 3.5 mmol g-1, respectively). However, in virtue of its much higher surface area (similar values as for our MCM-41 and SBA-15 materials (Table 1) were reported: 1144 m2 g-1 for MCM-41 and 656 m2 g-1 for SBA-15), MCM-41 displays a slightly higher absolute number of surface silanols available for reaction with probe silanes (2.2 versus 1.8 mmol g-1 of SBA-15). Therefore, it is expected that a higher amount of 3-APTES will be grafted on MCM-41 and that this would correspond, in the end, to a higher Pd loading. Interestingly, the ratio between the available surface silanols in MCM-41 and SBA-15 (2.2/1.8=1.22) as obtained by Ide et al. correspond approximately to the ratio of the Pd loadings obtained by us on MCM-41 and SBA-15 (16.9/13.4=1.26).
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    • However, the limitations of this test are well known as it is not excluded that the leached palladium species might not agglomerate, precipitate, and deactivate following the removal of the support under the reducing reaction conditions applied; see:, N. T. S. Phan, M. Van Der Sluys, C. W. Jones, Adv. Synth. Catal. 2006, 348, 609-679.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.