期刊
NATURE NANOTECHNOLOGY
卷 11, 期 12, 页码 1105-1111出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/NNANO.2016.172
关键词
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资金
- Australian Research Council (ARC) Centre of Excellence in Convergent Bio-Nano Science and Technology [CE140100036]
- ARC under Australian Laureate Fellowship scheme [FL120100030]
- ARC under Discovery Project scheme [DP130101846]
- Chinese government by China Scholarship Council (CSC)
The organized assembly of particles into superstructures is typically governed by specific molecular interactions or external directing factors associated with the particle building blocks, both of which are particle-dependent. These superstructures are of interest to a variety of fields because of their distinct mechanical, electronic, magnetic and optical properties. Here, we establish a facile route to a diverse range of superstructures based on the polyphenol surface-functionalization of micro- and nanoparticles, nanowires, nanosheets, nanocubes and even cells. This strategy can be used to access a large number of modularly assembled superstructures, including core-satellite, hollow and hierarchically organized supraparticles. Colloidal probe atomic force microscopy and molecular dynamics simulations provide detailed insights into the role of surface functionalization and how this facilitates superstructure construction. Our work provides a platform for the rapid generation of superstructured assemblies across a wide range of length scales, from nanometres to centimetres.
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