In situ studies of different growth modes of silver crystals induced by the concentration field in an aqueous solution
作者： Hongjun You , Chunhua Ding , Xiaoping Song , Bingjun Ding , Jixiang Fang
DOI: 10.1039/C1CE05289F
关键词: Crystal growth 、 Diffusion 、 Morphology (linguistics) 、 Ion 、 Aqueous solution 、 Analytical chemistry 、 Single displacement reaction 、 Chemistry 、 Dendrite (crystal) 、 Crystal
摘要: An in situ observation of silver hierarchical crystal growth a Zn/AgNO3 (aq.) replacement reaction system revealed that the morphological evolution strongly depended on change ion concentrations. With increasing concentration, morphologies transformed from loose fractal (LF) to dense branch morphology (DBM) and even dendrite. The concentration field was monitored using Michelson interferometer during profile studied based experimental observation. crystals transform induced by different modes. At low mode diffusion limited at high protuberant which decided limitation.
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