Palladium nanoparticles incorporated within sulfonic acid-functionalized MIL-101(Cr) for efficient catalytic conversion of vanillin

Fumin Zhang; Yan Jin; Yanghe Fu; Yijun Zhong; Weidong Zhu; Amr Awad Ibrahim; M. Samy El-Shall

doi:10.1039/C5TA03524D

Palladium nanoparticles incorporated within sulfonic acid-functionalized MIL-101(Cr) for efficient catalytic conversion of vanillin

Fumin Zhang,*^a^b Yan Jin,^a Yanghe Fu,^a Yijun Zhong,^a Weidong Zhu,^a Amr Awad Ibrahim^b and M. Samy El-Shall*^b

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* Corresponding authors

^a Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, 321004 Jinhua, People's Republic of China
E-mail: zhangfumin@zjnu.edu.cn, fzhang5@vcu.edu
Fax: +86 579 82282234
Tel: +86 579 822 88919

^b Department of Chemistry, Virginia Commonwealth University, 23284 Richmond, USA
E-mail: mselshal@vcu.edu
Fax: +1 804 828 8599
Tel: +1 804 828 3518

Abstract

We report a highly efficient bifunctional catalyst, Pd/SO₃H-MIL-101(Cr), consisting of Pd nanoparticles immobilized on a mesoporous sulfonic acid-functionalized metal–organic framework SO₃H-MIL-101(Cr), which exhibits high catalytic performance in promoting biomass refining. The use of SO₃H-MIL-101(Cr) as a support renders highly dispersed Pd nanoparticles with uniform size distribution, sufficient reactant contact in aqueous media, and rapid activation of the reactants induced by the Brønsted acid coordination sites (sulfonic acid groups from SO₃H-MIL-101(Cr)). Thus, the 2.0 wt% Pd/SO₃H-MIL-101(Cr) catalyst exhibits novel synergy in the hydrodeoxygenation of vanillin (a typical model compound of lignin) at low H₂ pressure under mild conditions in aqueous media. Excellent catalytic results (100% conversion of vanillin with exclusive selectivity for the 2-methoxy-4-methylphenol product) could be achieved, and no loss of catalytic activity and selectivity was observed after seven recycles in succession.

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The article was received on 13 May 2015, accepted on 08 Jul 2015 and first published on 08 Jul 2015

Article type: Paper

DOI: 10.1039/C5TA03524D

Author version available: Download Author version (PDF)

Citation: J. Mater. Chem. A, 2015,3, 17008-17015

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Palladium nanoparticles incorporated within sulfonic acid-functionalized MIL-101(Cr) for efficient catalytic conversion of vanillin

F. Zhang, Y. Jin, Y. Fu, Y. Zhong, W. Zhu, A. A. Ibrahim and M. S. El-Shall, J. Mater. Chem. A, 2015, 3, 17008
DOI: 10.1039/C5TA03524D
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Journal of Materials Chemistry A

Palladium nanoparticles incorporated within sulfonic acid-functionalized MIL-101(Cr) for efficient catalytic conversion of vanillin

Abstract

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Palladium nanoparticles incorporated within sulfonic acid-functionalized MIL-101(Cr) for efficient catalytic conversion of vanillin

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