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A Different View of Solvent Effects in Crystallization
Wang, Han1,2; Lin, Qiang1,2; Dou, Xiangyu1,2; Yang, Tao1,2; Han, Yongsheng1
2017-12-01
发表期刊CRYSTALS
ISSN2073-4352
卷号7期号:12页码:357
摘要

Solvents are widely used in crystallization, but their effects on the shape development of crystals are under debate. Here, we report a view on how solvents play their role by considering the viscosity of solvents. We synthesize silver particles in a mixture of alcohol and water. The viscosity of the solvent is changed by varying the volume ratio of alcohol in water. With the variation of viscosity, diverse morphologies of silver particles are synthesized. Small cubic crystals are formed at low viscosity, while hierarchical flower-like particles are formed at high viscosity. Two alcohols are employed, namely ethanol and propanol. No matter which alcohol is employed, the results are similar. Due to the limitation of mass transfer at high viscosity, the particles synthesized in such solvent are smaller and stabilized by the solvent. When the solution containing these particles are dropped onto metal substrates, these tiny particles firstly aggregate, which is followed by classic crystallization, forming flower-like hierarchical structures. These findings show the importance of the viscosity of solvents in shaping particles, which is underestimated previously.

关键词Crystallization Silver Particles Solvent Diffusion Nanotechnology
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.3390/cryst7120357
收录类别SCI
语种英语
关键词[WOS]Seed-mediated Growth ; Facile Synthesis ; Silver Nanostructures ; Nanocrystal Growth ; Shape-control ; Diffusion ; Size ; Aggregation ; Crystals
WOS研究方向Crystallography ; Materials Science
WOS类目Crystallography ; Materials Science, Multidisciplinary
项目资助者National Natural Science Foundation of China(U1462130 ; State Key Laboratory of Multiphase Complex Systems(MPCS-2014-D-05) ; 21406232)
WOS记录号WOS:000419200500006
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/23493
专题研究所(批量导入)
通讯作者Han, Yongsheng
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
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Wang, Han,Lin, Qiang,Dou, Xiangyu,et al. A Different View of Solvent Effects in Crystallization[J]. CRYSTALS,2017,7(12):357.
APA Wang, Han,Lin, Qiang,Dou, Xiangyu,Yang, Tao,&Han, Yongsheng.(2017).A Different View of Solvent Effects in Crystallization.CRYSTALS,7(12),357.
MLA Wang, Han,et al."A Different View of Solvent Effects in Crystallization".CRYSTALS 7.12(2017):357.
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