Mechanisms and strategies on colloidal nanocrystalline synthesis and morphology control

Abstract

Synthesis and control strategy of colloidal nanocrystals are mainly concerned with dynamic factors. Generally, theory of nucleation of liquid phase colloids and crystal growth are considered. Firstly, the strategies on colloidal nanocrystalline synthesis and morphology control at the stage of nucleation, growth and ripening were reviewed in this paper. Secondly, selective-adsorption mechanism, effective-monomer mechanism and oriented-attachment mechanisms were briefly introduced for the phenomena that can not be explained by classical crystal growth theory. It was also introduced briefly the joint action of some new mechanisms or multiple mechanisms on synthesis of nano-materials in recent years. Finally, perspectives on future development of nanocrystalline synthesis and morphology control were presented. It is believed that quantitative and precise structural control is of great importance and will be a huge challenge and development trend in nanocrystalline synthesis and morphology control.

Keywords

• nanocrystal
• morphology
• synthesis
• mechanism