Manipulating silver dendritic structures via diffusion and reaction

CORC > 过程工程研究所 > 中国科学院过程工程研究所 > 多相复杂系统国家重点实验室

	Manipulating silver dendritic structures via diffusion and reaction
	Yang, Tao 1,2; Han, Yongsheng 1; Li, Jinghai 1
刊名	CHEMICAL ENGINEERING SCIENCE
	2015-12-22
卷号	138 期号:DEC 页码:457-464
关键词	Shape control Dendritic structure Silver Diffusion Reaction
ISSN号	0009-2509
英文摘要	A 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.
WOS标题词	Science & Technology ; Technology
类目[WOS]	Engineering, Chemical
研究领域[WOS]	Engineering
关键词[WOS]	TRANSMISSION ELECTRON-MICROSCOPY ; LEFT-HANDED METAMATERIALS ; HIGH-INDEX SURFACES ; PATTERN-FORMATION ; FRACTAL GROWTH ; NANOPARTICLES ; TRANSITIONS ; SNOWFLAKES ; DEPOSITION ; MECHANISM
收录类别	SCI
语种	英语
WOS记录号	WOS:000363815400042
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/19761]
专题	过程工程研究所_多相复杂系统国家重点实验室
作者单位	1.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
推荐引用方式 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.