Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 135, Issue 28, Pages 10342-10345Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja405988r
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Funding
- AFOSR [FA9550-11-1-0275]
- Northwestern University Non-equilibrium Energy Research Center (NERC), an Energy Frontier Research Center
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0000989]
- DoD
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DNA is a powerful tool for programmably assembling colloidal crystals, and has been used to generate nanoparticle superlattices with synthetically adjustable lattice parameters and crystal symmetries. However, the majority of these superlattice structures remain static once constructed, and factors such as interparticle distance cannot be controlled in a facile and rapid manner. Incorporation of these materials into functional devices would be greatly benefitted by the ability to change various aspects of the crystal assembly after the lattice has been synthesized. Herein, we present a reversible, rapid, and stoichiometric on-the-fly manipulation of nanopartide superlattices with allosteric effectors based upon DNA. This approach is applicable to multiple different crystal symmetries, including FCC, BCC, CsCl, and AlB2.
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