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Title: Colloidal Binary Supracrystals with Tunable Structural Lattices

Abstract

Here, colloidal binary supracrystals (SCs) possessing tunable and ordered assembly of two different types of functional nanoparticles (NPs) represent a unique class of artificial materials for both fundamental study and technological applications, but related study has been limited due to substantial challenges in materials growth. Here we report the controlled growth of colloidal binary SCs consisting of Au and Fe3O4 NPs via an oil-in-water emulsion process. The size, stoichiometry, and lattice structure of the SCs can be broadly tuned by the growth parameters. Furthermore, our growth method is general and applicable to other NP building blocks to achieve various functional binary SCs. These as-grown free-standing binary SCs should therefore enable new test beds for exploring different nanoscale interactions ranging from the formation and stability of nanoscale binary phase to the emerging magneto-plasmonic coupling physics.

Authors:
 [1]; ORCiD logo [2];  [3]; ORCiD logo [1]
+ Show Author Affiliations
  1. Univ. of Maryland, College Park, MD (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States); Temple Univ., Philadelphia, PA (United States)
  3. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1476758
Report Number(s):
BNL-209145-2018-JAAM
Journal ID: ISSN 0002-7863
Grant/Contract Number:  
SC0012704
Resource Type:
Accepted Manuscript
Journal Name:
Journal of the American Chemical Society
Additional Journal Information:
Journal Volume: 140; Journal Issue: 29; Journal ID: ISSN 0002-7863
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Wang, Peng-peng, Qiao, Qiao, Zhu, Yimei, and Ouyang, Min. Colloidal Binary Supracrystals with Tunable Structural Lattices. United States: N. p., 2018. Web. doi:10.1021/jacs.8b05643.
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Wang, Peng-peng, Qiao, Qiao, Zhu, Yimei, & Ouyang, Min. Colloidal Binary Supracrystals with Tunable Structural Lattices. United States. doi:10.1021/jacs.8b05643.
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Wang, Peng-peng, Qiao, Qiao, Zhu, Yimei, and Ouyang, Min. Tue . "Colloidal Binary Supracrystals with Tunable Structural Lattices". United States. doi:10.1021/jacs.8b05643. https://www.osti.gov/servlets/purl/1476758.
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@article{osti_1476758,
title = {Colloidal Binary Supracrystals with Tunable Structural Lattices},
author = {Wang, Peng-peng and Qiao, Qiao and Zhu, Yimei and Ouyang, Min},
abstractNote = {Here, colloidal binary supracrystals (SCs) possessing tunable and ordered assembly of two different types of functional nanoparticles (NPs) represent a unique class of artificial materials for both fundamental study and technological applications, but related study has been limited due to substantial challenges in materials growth. Here we report the controlled growth of colloidal binary SCs consisting of Au and Fe3O4 NPs via an oil-in-water emulsion process. The size, stoichiometry, and lattice structure of the SCs can be broadly tuned by the growth parameters. Furthermore, our growth method is general and applicable to other NP building blocks to achieve various functional binary SCs. These as-grown free-standing binary SCs should therefore enable new test beds for exploring different nanoscale interactions ranging from the formation and stability of nanoscale binary phase to the emerging magneto-plasmonic coupling physics.},
doi = {10.1021/jacs.8b05643},
journal = {Journal of the American Chemical Society},
number = 29,
volume = 140,
place = {United States},
year = {2018},
month = {7}
}
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Journal Article:
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Publisher's Version of Record
DOI:  10.1021/jacs.8b05643
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