Solution-Stable Colloidal Gold Nanoparticles via Surfactant-Free, Hyperbranched Polyglycerol-b-polystyrene Unimolecular Templates

被引:8
作者
Iocozzia, James [1 ]
Lin, Zhiqun [1 ]
机构
[1] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
关键词
TRANSFER RADICAL POLYMERIZATION; ORGANIC-INORGANIC NANOCOMPOSITES; MULTIARM STAR POLYSTYRENE; POLYETHER-POLYOLS; MOLECULAR-WEIGHTS; PROTEIN CAGES; MONODISPERSE; POLYMERS; METAL; CORE;
D O I
10.1021/acs.langmuir.6b01830
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Hyperbranched polyglycerol-block-polystyrene copolymers, denoted HPG-b-PS, are synthesized and employed as a new and effective unimolecular template for synthesizing colloidal gold (Au) nanoparticles. The coordination of noble metal precursors with polyether within the inner HPG core and subsequent in situ reduction enables the formation of well dispersed and stable PS-capped Au nanoparticles. The inner HPG core is produced via ring opening multibranching polymerization (ROMBP and subsequently converted into atom transfer radical polymerization (ATRP) macroinitiators for the controlled growth of polystyrene (PS) arms possessing low polydispersity (PDI < 1.31). An initial investigation into the templating parameters of HPG-b-PS was undertaken by producing templates with different arm numbers (98 and 117) and different PS chain lengths (i.e., molecular weight = 3500-13400 g/mol). It was found that the PS chain length and solvent conditions affect the quality of the resulting PS capped colloidal Au nanoparticles. This work demonstrates, for the first time, a simple, lower-cost approach for templating nonpolar solvent-soluble PS-capped Au nanoparticles on the order of 10-30 nm in diameter.
引用
收藏
页码:7180 / 7188
页数:9
相关论文
共 52 条
[1]   DNA-templated assembly and electrode attachment of a conducting silver wire [J].
Braun, E ;
Eichen, Y ;
Sivan, U ;
Ben-Yoseph, G .
NATURE, 1998, 391 (6669) :775-778
[2]   Synthesis of multiarm star poly(glycerol)-block-poly(2-hydroxyethyl methacrylate) [J].
Chen, Y ;
Shen, Z ;
Barriau, E ;
Kautz, H ;
Frey, H .
BIOMACROMOLECULES, 2006, 7 (03) :919-926
[3]   Hydroxyfunctional Oxetane-Inimers with Varied Polarity for the Synthesis of Hyperbranched Polyether Polyols via Cationic ROP [J].
Christ, Eva-Maria ;
Mueller, Sophie S. ;
Berger-Nicoletti, Elena ;
Frey, Holger .
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 2014, 52 (19) :2850-2859
[4]   Dendrimer-encapsulated metal nanoparticles: Synthesis, characterization, and applications to catalysis [J].
Crooks, RM ;
Zhao, MQ ;
Sun, L ;
Chechik, V ;
Yeung, LK .
ACCOUNTS OF CHEMICAL RESEARCH, 2001, 34 (03) :181-190
[5]   Synthesis of Miktoarm Star-Shaped Polymers with POSS Core via a Combination of CuAAC Click Chemistry, ATRP, and ROP Techniques [J].
Doganci, Erdinc ;
Tasdelen, Mehmet Atilla ;
Yilmaz, Faruk .
MACROMOLECULAR CHEMISTRY AND PHYSICS, 2015, 216 (17) :1823-1830
[6]  
Douglas T, 2002, ADV MATER, V14, P415, DOI 10.1002/1521-4095(20020318)14:6<415::AID-ADMA415>3.0.CO
[7]  
2-W
[8]   Monodisperse Dual-Functional Upconversion Nanoparticles Enabled Near-Infrared Organolead Halide Perovskite Solar Cells [J].
He, Ming ;
Pang, Xinchang ;
Liu, Xueqin ;
Jiang, Beibei ;
He, Yanjie ;
Snaith, Henry ;
Lin, Zhiqun .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2016, 55 (13) :4280-4284
[9]   Star polymers by ATRP of styrene and acrylates employing multifunctional initiators [J].
Jankova, K ;
Bednarek, M ;
Hvilsted, S .
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 2005, 43 (17) :3748-3759
[10]   Organic-Inorganic Nanocomposites via Placing Monodisperse Ferroelectric Nanocrystals in Direct and Permanent Contact with Ferroelectric Polymers [J].
Jiang, Beibei ;
Pang, Xinchang ;
Li, Bo ;
Lin, Zhiqun .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2015, 137 (36) :11760-11767