Facet-Selective Nucleation and Growth of Novel SnO2 Hierarchical Nanostructures with Highly Oriented Nanobranch Arrays
作者单位：Beijing National Laboratory for Condensed Matter PhysicsInstitute of PhysicsChinese Academy of Sciences
会议名称：《中国晶体学会第四届全国会员代表大会暨学术会议》
会议日期：2008年
学科分类：07[理学] 070205[理学-凝聚态物理] 08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0702[理学-物理学]
摘 要：Here we report a facet-selective nucleation and growth of SnO hierarchical nanostructures for the first *** primary rutile Sn02 trunks with tetragonal structure all present quasi-hexagonal features,which iS a very unusual phenomenon that doesn’t Occur in typical crystal growth,and it iS found that the amount of oxygen in reaction system can alSO regulate the growth rate of Sn02 along different directions to control the shape of SnO *** precisely controlling the nucleation only on{001}surfaces,so-called facet-selective nucleation,our results suggest that the oxygen vacancies, higher surface energy of{001}surfaces and preferential growth play an important role in selective-nucleation and directional *** with the lattice