Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 136, Issue 4, Pages 1352-1359Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja408250q
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Funding
- S3IP at Binghamton University
- DOE STTR Program
- Laboratory-Directed Research and Development (LDRD) Program of Los Alamos National Laboratory under DOE [DE-AC52-06NA25396]
- National Science Foundation
- National Institutes of Health/National Institute of General Medical Sciences under NSF Award [DMR-0936384]
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Self-organization of colloidal Pt nanocubes into two types of distinct ordered superlattices, simple-cubic and body-centered-tetragonal structures, has been achieved using a home-built setup. Detailed translational and orientational characteristics of these superstructures were determined using a transmission electron microscopy tomographic technique with 3D reconstruction analysis. The formation of these distinct superlattices is the result of a delicate choice of solvent (i.e., aliphatic hexane or aromatic toluene hydrocarbons), which serves as a dispersion medium to fine-tune the relative strengths of ligand ligand and ligand solvent interactions during the self-assembly process. This work provides important insights into the effects of ligand solvent interactions on superlattice formation from nonspherical nanoparticles.
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