Surface structure-controlled synthesis of nanocrystals through supersaturation dependent growth strategy
2017
Many physical and chemical properties of nanocrystals are closely
related to their surface structures. Studies on the surface structure
control of nanocrystals and related theories are hot and frontier
research topics recently. In this review, we introduce the supersaturation
control strategy and its application in the surface structure control
of nanocrystals ranging from ionic, molecular, metallic, metal oxide,
to metal-organic frameworks crystals. Deduced from thermodynamics,
it can be found that the surface energy of nanocrystals is directly
proportional to the supersaturation of growth units. The relationship
between supersaturation and surface energy provides an important theoretical
basis for the controlled synthesis of nanocrystals with specific surface
structure.
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