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- Title
Local‐Curvature‐Controlled Non‐Epitaxial Growth of Hierarchical Nanostructures.
- Authors
Li, Chaoran; Zhang, Shumin; Zhang, Bingchang; Liu, Jingjing; Zhang, Weihu; Solovev, Alexander A.; Tang, Rujun; Bao, Feng; Yu, Jia; Zhang, Qiao; Lifshitz, Yeshayahu; He, Le; Zhang, Xiaohong
- Abstract
Abstract: Site‐selective growth on non‐spherical seeds provides an indispensable route to hierarchical complex nanostructures that are interesting for diverse applications. However, this has only been achieved through epitaxial growth, which is restricted to crystalline materials with similar crystal structures and physicochemical properties. A non‐epitaxial growth strategy is reported for hierarchical nanostructures, where site‐selective growth is controlled by the curvature of non‐spherical seeds. This strategy is effective for site‐selective growth of silica nanorods from non‐spherical seeds of different shapes and materials, such as α‐Fe2O3, NaYF4, and ZnO. This growth strategy is not limited by the stringent requirements of epitaxy and is thus a versatile general method suitable for the preparation of hierarchical nanostructures with controlled morphologies and compositions to open up a verity of applications in self‐assembly, nanorobotics, catalysis, electronics, and biotechnology.
- Subjects
NANOSTRUCTURES; EPITAXY; CRYSTAL structure; NANORODS; SILICA; MOLECULAR self-assembly
- Publication
Angewandte Chemie, 2018, Vol 130, Issue 14, p3834
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201713185