Journal
NATURE MATERIALS
Volume 14, Issue 8, Pages 833-+Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/NMAT4293
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Funding
- Air Force Office of Scientific Research (AFOSR) Multidisciplinary University Research Initiative (MURI) [FA9550-11-1-0275]
- Department of Defense National Security Science and Engineering Faculty Fellowship (NSSEFF) award [N00014-15-1-0043]
- National Science Foundation (NSF) Materials Research Science and Engineering Center program at Materials Research Center of Northwestern University [DMR-1121262]
- Non-equilibrium Energy Research Center (NERC) an Energy Frontier Research Center - Department of Energy (DoE), Office of Science, and Office of Basic Energy Sciences [DE-SC0000989]
- NSF
- DoE [DE-AC02-06CH11357]
- MRSEC programme of National Science Foundation [NSC DMR-1121262]
- Nanoscale Science and Engineering Center of National Science Foundation [EEC-0118025/003]
- State of Illinois
- Northwestern University
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Whether two species will co-crystallize depends on the chemical, physical and structural complementarity of the interacting components. Here, by using DNA as a surface ligand, we selectively co-crystallize mixtures of two different anisotropic nanoparticles and systematically investigate the effects of nanoparticle size and shape complementarity on the resultant crystal symmetry, microstrain, and effective 'DNA bond' length and strength. We then use these results to understand a more complicated system where both size and shape complementarity change, and where one nanoparticle can participate in multiple types of directional interactions. Our findings offer improved control of non-spherical nanoparticles as building blocks for the assembly of sophisticated macroscopic materials, and provide a framework to understand complementarity and directional interactions in DNA-mediated nanoparticle crystallization.
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