Morphology control and shape evolution in 3D hierarchical superstructures

查看全文 作　　者：CAO [1]AnMin;HU [1]JinSong;WAN [1]LiJun

机构地区：[1]Institute of Chemistry,Chinese Academy of Sciences,Beijing 100190,China

出　　处：《Science China Chemistry》索引2012年第55卷第11期,共8页

摘　　要：Hierarchical structures, in which structure is generated and controlled simultaneously at different size scales, have attracted increasing attention due to their potentials in both theoretical research and practical applications. In this review, a 'non-classical crystallization' mechanism is discussed for their possibilities in morphology control of hierarchically-structured materials. Differently, this crystallization route is not based on the attaching and detaching of monomers as happened in the classical case, but through the self-organization of preformed building blocks as nanosized subunits, whose oriented attachment leads to mesocrystals with favorable morphology and texture. Representative materials including both inorganic and organic crystals are reported with possible mechanisms proposed. Synthetic protocols based on this mechanism provide unique inspirations for materials design and could be applied to morphological and structural control of new materials with optimized functions. 关键词：形态演变形态控制上层建筑三维分层结构结构材料可能机制形貌控制

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Morphology control and shape evolution in 3D hierarchical superstructures

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