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Shaping Particles via Controlling the Diffusion of Building Blocks
Wang, Han1,2; Han, Yongsheng1
2015-10-14
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume54Issue:40Pages:9742-9749
AbstractUsing nanoparticles as building blocks to build up hierarchical structures is the next big thing in nanoscience, as well as a core issue of the emerging mesoscience. The building process involves the movement of building blocks, followed by interaction and binding between them. The diffusion of building blocks is an important kinetic factor influencing the shape development of materials, but this issue has not yet been well investigated by the material research community. In this paper, we take the preparation of silver particles as an example to investigate how the diffusion of building blocks influences the shape of silver products. The silver products are prepared by reducing silver ions in a mixture of ethylene glycol and water. Through a change in the volume ratio of ethylene glycol in water, the diffusion of building blocks is tuned, which results in the formation of silver products with various shapes from rectangular plates to spindle rods. This shape variation is attributed to the change of the diffusion rate of building blocks, and the mechanism underlying these phenomena is investigated by simulation using a newly developed diffusion reaction model. Both the experimental and simulation results indicate that the diffusion of building blocks plays an important role in the shape development of particles, which is expected to arouse more attention to consider mass transfer in the controllable synthesis of materials.
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1021/acs.iecr.5b02084
Indexed BySCI
Language英语
WOS KeywordKINETICALLY CONTROLLED SYNTHESIS ; FACILE SYNTHESIS ; POLY(VINYL PYRROLIDONE) ; POLYOL SYNTHESIS ; SILVER NANOSPHERES ; VERSATILE ROUTE ; NANOPARTICLES ; NANOSTRUCTURES ; NANOCRYSTALS ; NANOPRISMS
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000363002000009
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19649
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
Wang, Han,Han, Yongsheng. Shaping Particles via Controlling the Diffusion of Building Blocks[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2015,54(40):9742-9749.
APA Wang, Han,&Han, Yongsheng.(2015).Shaping Particles via Controlling the Diffusion of Building Blocks.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,54(40),9742-9749.
MLA Wang, Han,et al."Shaping Particles via Controlling the Diffusion of Building Blocks".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 54.40(2015):9742-9749.
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