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Regulating silver morphology via electrochemical reaction
Liu, Wei1,2; Yang, Tao2,3; Li, Chengxiang2; Che, Ping1; Han, Yongsheng2
2015
Source PublicationCRYSTENGCOMM
ISSN1466-8033
Volume17Issue:31Pages:6014-6022
Abstract

Controllable synthesis of materials with designed structures is a long-term dream of scientists and engineers. The challenges faced by dreamers are the complexity of material formation and the diversity of material structures. One way to discover this complexity is to simplify the reaction system. Electrochemical reduction is one of the simple reaction systems in which electrons are used as the reductant to avoid the complexity of chemical effects. We design a two-cell electrochemical reactor. The cathode and the anode are placed in different cells connected by a salt bridge. Electrons are introduced into the cell containing silver ions. With this approach, silver particles are synthesized on the cathode. The reduction rate of silver ions is regulated by varying the current density over two orders of magnitude. At various current densities, silver particles with different morphologies are synthesized. The dependence of silver morphology on current density is ascribed to the influence of current density on the nucleation and growth of silver particles, which is confirmed by subsequent experiments. The results in this paper show that the electron is a simple and green reductant and the current density is an effective tool for regulating reaction rates to shape materials.

SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c5ce01005e
Indexed BySCI
Language英语
WOS KeywordENHANCED RAMAN-SCATTERING ; DENDRITIC NANOSTRUCTURES ; METAL NANOPARTICLES ; MEDIATED GROWTH ; COMPROMISE ; SURFACE ; DEPOSITION ; PALLADIUM ; DIFFUSION
WOS Research AreaChemistry ; Crystallography
WOS SubjectChemistry, Multidisciplinary ; Crystallography
WOS IDWOS:000358610700019
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19418
Collection多相复杂系统国家重点实验室
Affiliation1.Univ Sci & Technol, Sch Chem & Biol Engn, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu, Wei,Yang, Tao,Li, Chengxiang,et al. Regulating silver morphology via electrochemical reaction[J]. CRYSTENGCOMM,2015,17(31):6014-6022.
APA Liu, Wei,Yang, Tao,Li, Chengxiang,Che, Ping,&Han, Yongsheng.(2015).Regulating silver morphology via electrochemical reaction.CRYSTENGCOMM,17(31),6014-6022.
MLA Liu, Wei,et al."Regulating silver morphology via electrochemical reaction".CRYSTENGCOMM 17.31(2015):6014-6022.
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