Graphene-supported Au–Pd bimetallic nanoparticles with excellent catalytic performance in selective oxidation of methanol to methyl formate

Wang, Ruiyi; Wu, Zhiwei; Chen, Cheng-Meng; Qin, Zhangfeng; Zhu, Hua; Wang, Guofu; Wang, Hao; Wu, Chuandong; Dong, Weiwen; Fan, Weibin; Wang, Jianguo

doi:10.1039/c3cc43948h

Cited by 126 publications

(107 citation statements)

References 32 publications

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“…A strong synergy between Pd and Au centres was also demonstrated by Hutchings et al, wherein Au-Pd alloy nanoparticles supported on titania exhibited increased reactivity towards a diverse range of primary, allylic and benzylic alkyl alcohols compared to monometallic palladium analogues. The versatility of Au-Pd catalysts has also been shown in selox of saturated hydrocarbons [201], ethylene glycol [202], glycerol [203] and methanol [204], wherein high selectivity and resistance to on-stream deactivation is noted.…”

Section: Bimetallic Palladium Selox Catalystsmentioning

confidence: 99%

Catalysing sustainable fuel and chemical synthesis

Lee

2014

Appl Petrochem Res

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Concerns over the economics of proven fossil fuel reserves, in concert with government and public acceptance of the anthropogenic origin of rising CO 2 emissions and associated climate change from such combustible carbon, are driving academic and commercial research into new sustainable routes to fuel and chemicals. The quest for such sustainable resources to meet the demands of a rapidly rising global population represents one of this century's grand challenges. Here, we discuss catalytic solutions to the clean synthesis of biodiesel, the most readily implemented and low cost, alternative source of transportation fuels, and oxygenated organic molecules for the manufacture of fine and speciality chemicals to meet future societal demands.

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Section: Bimetallic Palladium Selox Catalystsmentioning

confidence: 99%

Catalysing sustainable fuel and chemical synthesis

Lee

2014

Appl Petrochem Res

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“…Pd nanoparticles (NPs) exhibit unique properties differing from bulk counterparts, such as size-induced quantum effects, enhanced surface effects and electron confinement. In addition, Pd bimetallic NPs, especially PdAu NPs, have aroused extensive interests for their synergistic optical, electronic and catalytic advantages [7][8][9]. There are diverse approaches to such Pd-monometallic/bimetallic-NP-b ased nanocatalysts.…”

Section: Introductionmentioning

confidence: 99%

“…There are diverse approaches to such Pd-monometallic/bimetallic-NP-b ased nanocatalysts. However, conventional methods often involve chemical reduction of metal precursors, where reducing and/or stabilizing agents for preventing metal NPs from aggregation may bring challenging issues [8,9]. In general, the catalytic performance of metal NPs are associated with their size, crystalline and electronic structures, etc [1,7,10].…”

Section: Introductionmentioning

confidence: 99%

“…On the other, suitable supports can stabilize metal NPs to maintain their small size, high stability and recyclability. Carbon nanotubes (CNTs), possessing unique advantages like high surface area, excellent thermal and electrical conductivity, and rich chemical functionalities [2,3,[8][9][10], can be an ideal support for stabilizing Pd monometallic/bimetallic NPs. Nevertheless, in traditional wet-chemical ways, it is inevitable that pristine CNTs are modified with surface functional groups, e.g., COOH and OSO 3 H groups, which not only improve the solubility of CNTs in certain solvents, but also provide accessible surface environment for decoration of metal NPs [11].…”

Section: Introductionmentioning

confidence: 99%

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Small and uniform Pd monometallic/bimetallic nanoparticles decorated on multi-walled carbon nanotubes for efficient reduction of 4-nitrophenol

Liu

Zhou

et al. 2015

Carbon

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“…Minor variations in preparation conditions can significantly influence the delicate balance of conflicting demands: high activity, high selectivity, and longterm stability. Several classic synthesis methods have been developed for preparing graphitized nanocarbon-supported catalysts, including impregnation [58][59][60][61][62], chemical vapor deposition [63][64][65], precipitation and coprecipitation [47,48,66], and liquid-phase reduction [67,68]. Owing to the high surface area and excellent physical and chemical properties of graphitized nanocarbon, highly and uniformly dispersed active metals can be achieved by traditional loading methods.…”

mentioning

confidence: 99%

Graphitized nanocarbon-supported metal catalysts: synthesis, properties, and applications in heterogeneous catalysis

Huang

2017

Sci. China Mater.

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Graphitized nanocarbon materials can be an ideal catalyst support for heterogeneous catalytic systems. Their unique physical and chemical properties, such as large surface area, high adsorption capacity, excellent thermal and mechanical stability, outstanding electronic properties, and tunable porosity, allow the anchoring and dispersion of the active metals. Therefore, currently they are used as the key support material in many catalytic processes. This review summarizes recent relevant applications in supported catalysts that use graphitized nanocarbon as supports for catalytic oxidation, hydrogenation, dehydrogenation, and C-C coupling reactions in liquid-phase and gas-solid phase-reaction systems. The latest developments in specific features derived from the morphology and characteristics of graphitized nanocarbon-supported metal catalysts are highlighted, as well as the differences in the catalytic behavior of graphitized nanocarbon-supported metal catalysts versus other related catalysts. The scientific challenges and opportunities in this field are also discussed. Keywords: nanocarbon materials; graphitized carbon supports; metal catalysts; hetergeneous catalysis INTRODUCTIONCarbon combines its atoms in diverse hybridization states (sp, sp 2 , sp 3 ) to form a variety of polymorphs. These are composed entirely of carbon but have different physical structures and different names, including diamond, graphite, fullerenes, and carbines, among others [1][2][3][4][5]. Because these various and versatile allotropes produce materials with a large range of properties, carbon materials can be used in a number of technological processes, including high-tech catalytic ones [6][7][8][9][10].In heterogeneous catalysis, carbon material plays wellestablished and important roles in a wide range of applications, both as catalyst in its own right and as a unique support material [11][12][13][14][15]. The chemical stability of carbon supports in some specifically aqueous phase biomass conversion surpasses that of metal oxide materials; in addition, carbon materials present other common and key advantages as support materials for catalysis [1,5]. From the point of physical structure, porous carbon can be prepared in different forms (granules, cloth, fibers, pallets, etc.). Due to its chemical properties, carbon structure is resistant to both acidic and basic media. The structure of carbon is stable at high temperature (even above 1023 K under inert atmosphere). The hydrophilic/ hydrophobic nature of carbon can be easily modified. Active metals on the support can be easily reduced. For the purposes of industrial economy and environment, the active phase can be easily recovered. Conventional carbon supports are lower-cost and more easily available than other conventional supports. Although several kinds of carbon materials have been studied, active carbon (AC) [12,[16][17][18][19] and, to a lesser extend, carbon black [20][21][22][23] have long been the most commonly used carbon supports. AC is an amorphous solid prepa...

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Graphene-supported Au–Pd bimetallic nanoparticles with excellent catalytic performance in selective oxidation of methanol to methyl formate

Cited by 126 publications

References 32 publications

Catalysing sustainable fuel and chemical synthesis

Catalysing sustainable fuel and chemical synthesis

Small and uniform Pd monometallic/bimetallic nanoparticles decorated on multi-walled carbon nanotubes for efficient reduction of 4-nitrophenol

Graphitized nanocarbon-supported metal catalysts: synthesis, properties, and applications in heterogeneous catalysis

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