Advanced yolk-shell nanoparticles as nanoreactors for energy conversion

Wang, Meiwen; Boyjoo, Yash; Pan, Jian; Wang, Shaobin; Liu, Jian

doi:10.1016/s1872-2067(17)62818-3

Cited by 51 publications

(39 citation statements)

References 140 publications

(263 reference statements)

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“…With the development of nanotechnology, it is possible to design and fabricate reactors from the meter scale to the micro and nanoscale. The term “Nanoreactors” was first used around 1990s, and now it has been used in connection with potential candidates for catalytic applications . From the perspective of chemical engineering, the designed and prepared catalysts are considered as nanoreactors.…”

Section: Applicationmentioning

confidence: 99%

Nanoengineering Carbon Spheres as Nanoreactors for Sustainable Energy Applications

2019

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adsorption. [1][2][3][4] Their suitability for these application is attributed to the very unique properties of colloidal carbon spheres such as tunable porous structures, controllable particle size, large surface area, and controllable surface chemistry. [5,6] All these properties of colloidal carbon spheres are highly dependent on their synthesis methodology. Over the past decades, great efforts have been made on the synthesis, characterization, and extension of the application of porous carbon spheres. More research advances on colloidal carbon spheres would provide new opportunities to understand their physical and chemical properties, as well as for the design and preparation of new structured carbon spheres built up from the molecular level, which can further provide guidelines for practical applications.To mimic the structure of cells, the asprepared artificial cells should own some properties such as spatial compartmentalization and selective permeability. Until now, polymersomes, [7] liposomes, [8] and multiple emulsions [9] have been used to imitate the structures and properties of natural cells. However, the softness, poor mechanical strength, and chemical robustness have hindered their practical applications. The carbon spheres are potentially promising candidates for construction of cell-like structures. The ideal colloidal carbon spheres should possess all or most of the following properties: a) large surface area and controllable surface functionalities for effective dispersion and loading of metal nanoparticles or other active species on their surface; b) superior conductivity to provide electron pathways; c) tunable porosity and particle size for facile mass transport; d) high stability for long term operation. [10][11][12][13] To achieve this goal, a series of synthetic strategies for these nanostructured carbon spheres have been developed, such as the Stöber method, [13] the template method, [14,15] hydrothermal carbonization (HTC), [16] and microemulsion polymerization. [17] To further modify the carbon spheres with various porous structures and functionalities, novel technologies for pore size control, surface modification, heteroatom doping, and graphitization engineering have also been developed and widely utilized.A number of excellent reviews on colloidal carbon spheres have been published in recent years, especially for energy storage applications. [1,5,18,19] In this context, this review article aims to systematically summarize the latest works, mainly focusing on synthetic approaches to optimized properties of Colloidal carbon sphere nanoreactors have been explored extensively as a class of versatile materials for various applications in energy storage, electrochemical conversion, and catalysis, due to their unique properties such as excellent electrical conductivity, high specific surface area, controlled porosity and permeability, and surface functionality. Here, the latest updated research on colloidal carbon sphere nanoreactor, in terms of both their synthesis and applications, is...

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Section: Applicationmentioning

confidence: 99%

Nanoengineering Carbon Spheres as Nanoreactors for Sustainable Energy Applications

2019

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“…To tune the interaction between the BA and the Ru surface,o rganic ligands were incorporated in the nanocages of mesoporous silica FDU,w hich has been widely used to construct nanoreactors. [30][31][32][33][34][35][36][37] Tr iphenylphosphine,ethyldiphenylphosphine,p ropylamine and phenyl groups incorporated FDU were denoted as PPh 3 @FDU,P Ph 2 -FDU,N H 2 -FDU, and Ph@FDU,r espectively.P Ph 3 @FDU and Ph@FDU were prepared by in situ polymerization method with tris(4-vinylphenyl)phosphine and divinylbenzene (DVB) as monomers and AIBN (azobisisobutyronitrile) as the initiator as we previously reported. [38] PPh 2 -FDU and NH 2 -FDU were prepared by post grafting method with 2-(diphenylphosphino)ethyltriethoxysilane and aminopropyltriethoxysilane as silylation reagents (for characterization details,see the Supporting Information).…”

Section: Microenvironment Engineeringo Fruthenium Nanoparticles Incormentioning

confidence: 99%

“…[30][31][32][33][34][35][36][37] Tr iphenylphosphine,ethyldiphenylphosphine,p ropylamine and phenyl groups incorporated FDU were denoted as PPh 3 @FDU,P Ph 2 -FDU,N H 2 -FDU, and Ph@FDU,r espectively.P Ph 3 @FDU and Ph@FDU were prepared by in situ polymerization method with tris(4-vinylphenyl)phosphine and divinylbenzene (DVB) as monomers and AIBN (azobisisobutyronitrile) as the initiator as we previously reported. [30][31][32][33][34][35][36][37] Tr iphenylphosphine,ethyldiphenylphosphine,p ropylamine and phenyl groups incorporated FDU were denoted as PPh 3 @FDU,P Ph 2 -FDU,N H 2 -FDU, and Ph@FDU,r espectively.P Ph 3 @FDU and Ph@FDU were prepared by in situ polymerization method with tris(4-vinylphenyl)phosphine and divinylbenzene (DVB) as monomers and AIBN (azobisisobutyronitrile) as the initiator as we previously reported.…”

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Microenvironment Engineering of Ruthenium Nanoparticles Incorporated into Silica Nanoreactors for Enhanced Hydrogenations

Ren

Guo

et al. 2019

Angew Chem Int Ed

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It is ac hallenging task to promote the activity and selectivity of ac atalyst via precisely engineering the microenvironment, an important factor related with the catalytic performance of natural catalysts.Motivated by the water effect in promoting the catalytic activity explored in this work, an anoreactor modified with phosphine ligand enabled the efficient hydrogenation of benzoica cid (BA) over Ru nanoparticles (NPs) in organic solvent under mild conditions,which cannot be achieved in unmodified nanoreactors.B oth density functional theory (DFT) calculations and catalytic performance tests showed that the phosphine ligands can manipulate the adsorption strength of BA on Ru NPs by tuning the surface properties as well as preferentially interacting with the carboxyl of BA.T he insights obtained in the present study provide an ovel concept of nanoreactor design by anchoring ligands near catalytically active centers.

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Section: Figurementioning

confidence: 99%

Microenvironment Engineering of Ruthenium Nanoparticles Incorporated into Silica Nanoreactors for Enhanced Hydrogenations

Ren

Guo

et al. 2019

Angewandte Chemie

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It is a challenging task to promote the activity and selectivity of a catalyst via precisely engineering the microenvironment, an important factor related with the catalytic performance of natural catalysts. Motivated by the water effect in promoting the catalytic activity explored in this work, a nanoreactor modified with phosphine ligand enabled the efficient hydrogenation of benzoic acid (BA) over Ru nanoparticles (NPs) in organic solvent under mild conditions, which cannot be achieved in unmodified nanoreactors. Both density functional theory (DFT) calculations and catalytic performance tests showed that the phosphine ligands can manipulate the adsorption strength of BA on Ru NPs by tuning the surface properties as well as preferentially interacting with the carboxyl of BA. The insights obtained in the present study provide a novel concept of nanoreactor design by anchoring ligands near catalytically active centers.

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Advanced yolk-shell nanoparticles as nanoreactors for energy conversion

Cited by 51 publications

References 140 publications

Nanoengineering Carbon Spheres as Nanoreactors for Sustainable Energy Applications

Nanoengineering Carbon Spheres as Nanoreactors for Sustainable Energy Applications

Microenvironment Engineering of Ruthenium Nanoparticles Incorporated into Silica Nanoreactors for Enhanced Hydrogenations

Microenvironment Engineering of Ruthenium Nanoparticles Incorporated into Silica Nanoreactors for Enhanced Hydrogenations

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