Synthesis and application of a metal ion coordinating ionic liquid monomer: Towards size and dispersity control of nanoparticles formed within a structured polyelectrolyte
Journal Article
·
· European Polymer Journal
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Argonne National Lab. (ANL), Argonne, IL (United States). X-ray Sciences Division
Here, the design, synthesis, and characterization of an amphiphilic ionic liquid (IL) monomer possessing a transition metal coordinating acrylamide moiety is described. Incorporation of the acrylamide moiety is achieved by converting l-histidine into an imidazolium, followed by alkylation to introduce a decyl chain, and acrylation of the α-amino group. The acrylamide containing IL monomer and a co-monomer, poly(ethylene glycol) diacrylate (PEGDA Mn 575), self-assembles into a weakly ordered 2D hexagonal lyotropic mesophase in water (34 ± 2 (w/w)%). Upon photo-irradiation of the mesophase a nanostructured polyelectrolyte retaining the 2D hexagonal structure is produced. Doping the mesophase with Au3+ ions prior to photo-irradiation produces plasmonic Au NP copolymer composites only at a threshold mole ratio of IL monomer to gold ions (i.e., onset at 1740:1 mole ratio). At higher monomer to Au3+ mole ratios plasmonic NPs are not formed. Evaluation of the in-situ synthesized plasmonic Au NPs by SAXS and optical spectroscopy indicate they are smaller, more uniform spherical particles that resist aggregation upon swelling and de-swelling in ethanol when compared to previously reported composites employing an IL monomer that lacks a metal ion coordination site (e.g., 3-decyl-1-vinylimidazolium IL).
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- Argonne National Laboratory - Advanced Photon Source; Los Alamos National Laboratory (LANL); USDOE; USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- AC02-06CH11357; AC52-06NA25396
- OSTI ID:
- 1473822
- Alternate ID(s):
- OSTI ID: 1703153
OSTI ID: 1508371
- Report Number(s):
- LA-UR--18-27591
- Journal Information:
- European Polymer Journal, Journal Name: European Polymer Journal Journal Issue: C Vol. 107; ISSN 0014-3057
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Multiscale additive manufacturing of polymers using 3D photo-printable self-assembling ionic liquid monomers
|
journal | January 2019 |
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