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Morphology tuning of noble metal nanoparticles by diffusion-reaction control
Alternative TitleCrystengcomm
Ye, Feng1; Liu, Hui1,2; Huang, Wenlai3; Yang, Jun1
2014
Source PublicationCRYSTENGCOMM
ISSN1466-8033
Volume16Issue:37Pages:8910-8916
AbstractControlling the morphology of noble metal nanoparticles can be an effective way to produce nanomaterials with favourable properties. Herein, we report our study on the effects of diffusion rate and reaction kinetics on the morphology of a number of noble metal (Au, Ag, Pd, and Pt) nanoparticles. A glass reactor based on electrochemical reduction or photo-reduction has been designed to achieve control of diffusion and chemical reduction of the different noble metal precursors. The results show that the noble metal nanoparticles with flower-like, core-shell, or wheel-like morphologies could be obtained at a relatively high diffusion rate due to the presence of additional growth of metal precursors on the preformed metal nuclei, while at relatively low diffusion, the as-prepared noble metal nanoparticles are small and quasi-spherical due to the relatively fast reduction of metal precursors. The experimental observations are also confirmed qualitatively by kinetic Monte Carlo (kMC) simulations. Since diffusion and reaction kinetics are universal and key factors in the synthesis of nanomaterials, the findings in this work might provide an effective way to manipulate the morphology of nanomaterials for a given application.; Controlling the morphology of noble metal nanoparticles can be an effective way to produce nanomaterials with favourable properties. Herein, we report our study on the effects of diffusion rate and reaction kinetics on the morphology of a number of noble metal (Au, Ag, Pd, and Pt) nanoparticles. A glass reactor based on electrochemical reduction or photo-reduction has been designed to achieve control of diffusion and chemical reduction of the different noble metal precursors. The results show that the noble metal nanoparticles with flower-like, core-shell, or wheel-like morphologies could be obtained at a relatively high diffusion rate due to the presence of additional growth of metal precursors on the preformed metal nuclei, while at relatively low diffusion, the as-prepared noble metal nanoparticles are small and quasi-spherical due to the relatively fast reduction of metal precursors. The experimental observations are also confirmed qualitatively by kinetic Monte Carlo (kMC) simulations. Since diffusion and reaction kinetics are universal and key factors in the synthesis of nanomaterials, the findings in this work might provide an effective way to manipulate the morphology of nanomaterials for a given application.
KeywordOxygen Reduction Silver Nanospheres Crystal-growth Shape Control Nanocubes Gold Nanorods Compromise Nanowires Nanodendrites
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c4ce00944d
URL查看原文
Indexed BySCI
Language英语
WOS KeywordOXYGEN REDUCTION ; SILVER NANOSPHERES ; CRYSTAL-GROWTH ; SHAPE CONTROL ; NANOCUBES ; GOLD ; NANORODS ; COMPROMISE ; NANOWIRES ; NANODENDRITES
WOS Research AreaChemistry ; Crystallography
WOS SubjectChemistry, Multidisciplinary ; Crystallography
WOS IDWOS:000341359200036
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/11664
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, EMMS Grp, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Ye, Feng,Liu, Hui,Huang, Wenlai,et al. Morphology tuning of noble metal nanoparticles by diffusion-reaction control[J]. CRYSTENGCOMM,2014,16(37):8910-8916.
APA Ye, Feng,Liu, Hui,Huang, Wenlai,&Yang, Jun.(2014).Morphology tuning of noble metal nanoparticles by diffusion-reaction control.CRYSTENGCOMM,16(37),8910-8916.
MLA Ye, Feng,et al."Morphology tuning of noble metal nanoparticles by diffusion-reaction control".CRYSTENGCOMM 16.37(2014):8910-8916.
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