Dynamics and statics of DNA-programmable nanoparticle self-assembly and crystallization |
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Authors: | Knorowski C Burleigh S Travesset A |
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Affiliation: | Department of Physics and Astronomy and Ames Laboratory, Iowa State University, Ames, Iowa 50011, USA. |
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Abstract: | DNA linker mediated self-assembly is emerging as a very general strategy for designing new materials. In this Letter, we characterize both the dynamics and thermodynamics of nanoparticle-DNA self-assembly by molecular dynamics simulations from a new coarse-grained model. We establish the general phase diagram and discuss the stability of a previously overlooked crystalline phase (D-bcc). We also characterize universal properties about the dynamics of crystallization. We point out the connection to f-star polymer systems and discuss the implications for ongoing experiments as well as for the general field of DNA mediated self-assembly. |
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