期刊
SOFT MATTER
卷 8, 期 10, 页码 2852-2859出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2sm07101k
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资金
- DOD/DDRE [N00244-09-1-0062]
- National Science Foundation [CHE 0624807]
- James S. McDonnell Foundation/Studying Complex Systems [220020139]
- DoD, Air Force Office of Scientific Research [32 CFR 168a]
Self-assembly holds promise for creating new materials and devices because of its inherent parallelism, allowing many building blocks to simultaneously organize using preprogrammed interactions. An important trend in nanoparticle and colloid science is the synthesis of particles with unusual shapes and/or directional (patchy'') interactions, whose anisotropy allows, in principle, assemblies of unprecedented complexity. However, patchy particles are more prone to long relaxation times during thermodynamically driven assembly, and there is no a priori way of predicting which particles might be good assembly candidates. Here we demonstrate a new conceptual approach to predict this information using sequences of intermediate clusters that appear during assembly. We demonstrate our approach on a family of model building blocks as well as a real system of CdTe/CdS tetrahedra and find design rules for engineering the optimized assembly of target structures.
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