CAS OpenIR  > 多相复杂系统国家重点实验室
Manipulating silver dendritic structures via diffusion and reaction
Yang, Tao1,2; Han, Yongsheng1; Li, Jinghai1
2015-12-22
Source PublicationCHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
Volume138Issue:DECPages:457-464
AbstractA dendrite is one of the most esthetically pleasing structures, with the best-known example being snowflakes. Although the formation of dendrites has been studied for centuries, the way to control their growth is limited. Here we report an attempt to manipulate the growth of dendritic structures via controlling chemical diffusion and reaction. The silver dendritic structures are synthesized by reducing silver ions in solution. The diffusion of chemical agents is regulated by changing the viscosity of the solution while the reaction is regulated by adding acids. The decrease of reaction rate leads to the disappearance of side branch of dendrites while the reduction of diffusion rate shortens the main trunk of dendrites. The silver dendrites are finely tuned by chemical diffusion and reaction. Following studies suggest that diffusion and reaction determines the chemical concentration around the growth fronts, which influences the growth of crystal structures, leading to the formation of diverse silver dendritic structures. The findings in this study indicate that chemical diffusion and reaction are two effective tools to regulate dendritic structures, promising a different way to promote or prevent the growth of dendritic structures in industries. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordShape Control Dendritic Structure Silver Diffusion Reaction
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.ces.2015.08.017
Indexed BySCI
Language英语
WOS KeywordTRANSMISSION ELECTRON-MICROSCOPY ; LEFT-HANDED METAMATERIALS ; HIGH-INDEX SURFACES ; PATTERN-FORMATION ; FRACTAL GROWTH ; NANOPARTICLES ; TRANSITIONS ; SNOWFLAKES ; DEPOSITION ; MECHANISM
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationHundreds Talent Program from the Chinese Academy of Sciences ; State Key Laboratory of Multiphase Complex Systems(MPCS-2011-C-01 ; National Natural Science Foundation of China(U1462130 ; MPCS-2014-D-05) ; 21406232)
WOS IDWOS:000363815400042
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19761
Collection多相复杂系统国家重点实验室
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
Recommended Citation
GB/T 7714
Yang, Tao,Han, Yongsheng,Li, Jinghai. Manipulating silver dendritic structures via diffusion and reaction[J]. CHEMICAL ENGINEERING SCIENCE,2015,138(DEC):457-464.
APA Yang, Tao,Han, Yongsheng,&Li, Jinghai.(2015).Manipulating silver dendritic structures via diffusion and reaction.CHEMICAL ENGINEERING SCIENCE,138(DEC),457-464.
MLA Yang, Tao,et al."Manipulating silver dendritic structures via diffusion and reaction".CHEMICAL ENGINEERING SCIENCE 138.DEC(2015):457-464.
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