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Binary nanoparticle superlattices of soft-particle systems

TitleBinary nanoparticle superlattices of soft-particle systems
Publication TypeJournal Article
Year of Publication2015
AuthorsTravesset, A
JournalProceedings of the National Academy of Sciences of the United States of America
Date Published08
Type of ArticleArticle
ISBN Number0027-8424
Accession NumberWOS:000358930600045
Keywordscrystalline phases, crystallization, dna, mixtures, packing, Phase separation, phases, stoichiometry, superlattices

= 1) interacting with an inverse p = 12 power law is investigated as a paradigm of a soft potential. In addition to the diameter ratio. that characterizes hard-sphere models, the phase diagram is a function of an additional parameter that controls the relative interaction strength between the different particle types. Phase diagrams are determined from extremes of thermodynamic functions by considering 15 candidate lattices. In general, it is shown that the phase diagram of a soft repulsive potential leads to the morphological diversity observed in experiments with binary nanoparticles, thus providing a general framework to understand their phase diagrams. Particular emphasis is given to the two most successful crystallization strategies so far: evaporation of solvent from nanoparticles with grafted hydrocarbon ligands and DNA programmable self-assembly.

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