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Title: Colloidal Random Terpolymers: Controlling Reactivity Ratios of Colloidal Comonomers via Metal Tipping

Abstract

We report on a versatile synthetic m-shell nanoparticles (NPs) in the backbone, along with semiconductor CdSe@CdS nanorod (NR), or tetrapod (TP) side chain groups. A seven-step colloidal total synthesis enabled the synthesis of well-defined colloidal comonomers composed of a dipolar Au@CoNP attached to a single CdSe@CdS NR, or TP, where magnetic dipolar associations between Au@CoNP units promoted the formation of colloidal co- or terpolymers. The key step in this synthesis was the ability to photodeposit a single AuNP tip onto CdSe@CdS NR or TP that enables selective seeding of a dipolar CoNP onto the AuNP seed. In conclusion, we show that the variation of the AuNP size directly controlled the size and dipolar character of the CoNP tip, where the size modulation of the Au and Au@CoNP tips is analogous to control of comonomer reactivity ratios in classical copolymerization processes.

Authors:
 [1];  [1];  [1];  [2];  [3]
+ Show Author Affiliations
  1. Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
  2. Department of Chemical and Biological Engineering, Program for Chemical Convergence for Energy and Environment, and the Center for Intelligent Hybrids, Seoul National University, Seoul 151-744, Korea
  3. Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States, Department of Chemical and Biological Engineering, Program for Chemical Convergence for Energy and Environment, and the Center for Intelligent Hybrids, Seoul National University, Seoul 151-744, Korea
Publication Date:
Research Org.:
Univ. of Arizona, Tucson, AZ (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); National Research Foundation of Korea (NRF)
Contributing Org.:
Seoul National Univ. (Korea, Republic of)
OSTI Identifier:
1273674
Alternate Identifier(s):
OSTI ID: 1315213
Grant/Contract Number:  
FG03-02ER15753; FG02-05ER15753; DMR-1307192; 2010-0018290
Resource Type:
Published Article
Journal Name:
ACS Macro Letters
Additional Journal Information:
Journal Name: ACS Macro Letters Journal Volume: 5 Journal Issue: 8; Journal ID: ISSN 2161-1653
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Pavlopoulos, Nicholas G., Dubose, Jeffrey T., Hartnett, Erin D., Char, Kookheon, and Pyun, Jeffrey. Colloidal Random Terpolymers: Controlling Reactivity Ratios of Colloidal Comonomers via Metal Tipping. United States: N. p., 2016. Web. doi:10.1021/acsmacrolett.6b00511.
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Pavlopoulos, Nicholas G., Dubose, Jeffrey T., Hartnett, Erin D., Char, Kookheon, & Pyun, Jeffrey. Colloidal Random Terpolymers: Controlling Reactivity Ratios of Colloidal Comonomers via Metal Tipping. United States. https://doi.org/10.1021/acsmacrolett.6b00511
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Pavlopoulos, Nicholas G., Dubose, Jeffrey T., Hartnett, Erin D., Char, Kookheon, and Pyun, Jeffrey. Tue . "Colloidal Random Terpolymers: Controlling Reactivity Ratios of Colloidal Comonomers via Metal Tipping". United States. https://doi.org/10.1021/acsmacrolett.6b00511.
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@article{osti_1273674,
title = {Colloidal Random Terpolymers: Controlling Reactivity Ratios of Colloidal Comonomers via Metal Tipping},
author = {Pavlopoulos, Nicholas G. and Dubose, Jeffrey T. and Hartnett, Erin D. and Char, Kookheon and Pyun, Jeffrey},
abstractNote = {We report on a versatile synthetic m-shell nanoparticles (NPs) in the backbone, along with semiconductor CdSe@CdS nanorod (NR), or tetrapod (TP) side chain groups. A seven-step colloidal total synthesis enabled the synthesis of well-defined colloidal comonomers composed of a dipolar Au@CoNP attached to a single CdSe@CdS NR, or TP, where magnetic dipolar associations between Au@CoNP units promoted the formation of colloidal co- or terpolymers. The key step in this synthesis was the ability to photodeposit a single AuNP tip onto CdSe@CdS NR or TP that enables selective seeding of a dipolar CoNP onto the AuNP seed. In conclusion, we show that the variation of the AuNP size directly controlled the size and dipolar character of the CoNP tip, where the size modulation of the Au and Au@CoNP tips is analogous to control of comonomer reactivity ratios in classical copolymerization processes.},
doi = {10.1021/acsmacrolett.6b00511},
journal = {ACS Macro Letters},
number = 8,
volume = 5,
place = {United States},
year = {Tue Jul 26 00:00:00 EDT 2016},
month = {Tue Jul 26 00:00:00 EDT 2016}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1021/acsmacrolett.6b00511
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