Bimetallic PdAu nanoparticles as hydrogenation catalysts in imidazolium ionic liquids

被引：70

作者：

Dash, Priyabrat ^{[1
]}

Dehm, Nicole A. ^{[1
]}

Scott, Robert W. J. ^{[1
]}

机构：

[1] Univ Saskatchewan, Dept Chem, Saskatoon, SK S7N 0W0, Canada

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2008年 / 286卷 / 1-2期

基金：

加拿大自然科学与工程研究理事会;

关键词：

ionic liquids; nanoparticles; bimetallic; hydrogenation;

D O I：

10.1016/j.molcata.2008.02.003

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Metallic and bimetallic PdAu nanoparticles were solubilized in 1-butyl-3-methylimidazolium hexafluorophosphate ionic liquid (IL) by a phase-transfer method using poly(vinylpyrrolidone) (PVP) as a stabilizer. Nanoparticles were characterized by UV-vis spectroscopy and transmission electron microscopy. The bimetallic PdAu nanoparticles in the IL-phase were examined as catalysts for hydrogenation reactions; both the activity and selectivity of the hydrogenation reactions could be tuned by varying the composition of the bimetallic nanoparticles, with maximum activities seen at 1:3 Au:Pd ratios. These nanoparticles/IL catalysts were recycled and then reused for further catalytic reactions with minimal loss in activity. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：114 / 119

页数：6

共 37 条

[1] Solubilities and thermodynamic properties of gases in the ionic liquid 1-n-butyl-3-methylimidazolium hexafluorophosphate
Anthony, JL
Maginn, EJ
Brennecke, JF
[J]. JOURNAL OF PHYSICAL CHEMISTRY B, 2002, 106 (29) : 7315 - 7320
[2] Ionic liquids for the convenient synthesis of functional nanoparticles and other inorganic nanostructures
Antonietti, M
Kuang, DB
Smarsly, B
Yong, Z
[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2004, 43 (38) : 4988 - 4992
[3] Nanoparticles as recyclable catalysts: The frontier between homogeneous and heterogeneous catalysis
Astruc, D
Lu, F
Aranzaes, JR
[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2005, 44 (48) : 7852 - 7872
[4] The impact of nanoscience on heterogeneous catalysis
Bell, AT
[J]. SCIENCE, 2003, 299 (5613) : 1688 - 1691
[5] Stability of divalent europium in an ionic liquid: Spectroscopic investigations in 1-methyl-3-butylimidazolium hexafluorophosphate
Billard, I
Moutiers, G
Labet, A
El Azzi, A
Gaillard, C
Mariet, C
Lutzenkirchen, K
[J]. INORGANIC CHEMISTRY, 2003, 42 (05) : 1726 - 1733
[6] FORMATION OF COLLOIDAL TRANSITION-METALS IN ORGANIC PHASES AND THEIR APPLICATION IN CATALYSIS
BONNEMANN, H
BRIJOUX, W
BRINKMANN, R
DINJUS, E
JOUSSEN, T
KORALL, B
[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1991, 30 (10): : 1312 - 1314
[7] A review - How nanoparticles emerged from organometallic chemistry
Botha, SS
Brijoux, W
Brinkmann, R
Feyer, M
Hofstadt, HW
Kelashvili, G
Kinge, S
Matoussevitch, N
Nagabhushana, KS
Wen, F
[J]. APPLIED ORGANOMETALLIC CHEMISTRY, 2004, 18 (11) : 566 - 572
[8] Analytical procedures employing Karl Fischer reagent. VIII. The determination of water of hydration in salts
Bryant, WMD
Mitchell, J
Smith, DM
Ashby, EC
[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1941, 63 : 2924 - 2927
[9] ULTRAVIOLET VISIBLE ABSORPTION-SPECTRA OF THE COLLOIDAL METALLIC ELEMENTS
CREIGHTON, JA
EADON, DG
[J]. JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, 1991, 87 (24): : 3881 - 3891
[10] Transition-metal nanoparticles in imidazolium ionic liquids: Recycable catalysts for biphasic hydrogenation reactions
Dupont, J
Fonseca, GS
Umpierre, AP
Fichtner, PFP
Teixeira, SR
[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2002, 124 (16) : 4228 - 4229

← 1 2 3 4 →