Synthesis, Characterization, and Multilayer Assembly of pH Sensitive Graphene-Polymer Nanocomposites

被引：188

作者：

Liu, Jingquan ^{[1
]}

Tao, Lei ^{[1
]}

Yang, Wenrong ^{[2
]}

Li, Dan ^{[3
]}

Boyer, Cyrille ^{[1
]}

Wuhrer, Richard ^{[4
]}

Braet, Filip ^{[2
]}

Davis, Thomas P. ^{[1
]}

机构：

[1] Univ New S Wales, Sch Chem Sci & Engn, CAMD, Sydney, NSW 2052, Australia

[2] Univ Sydney, Australian Key Ctr Microscopy & Microanal, Sydney, NSW 2006, Australia

[3] Monash Univ, Dept Mat Engn, Clayton, Vic 3800, Australia

[4] Univ Technol Sydney, Ctr Expertise Microstruct Anal, Sydney, NSW 2007, Australia

来源：

LANGMUIR | 2010年 / 26卷 / 12期

基金：

澳大利亚研究理事会;

关键词：

LIVING RADICAL POLYMERIZATION; CARBON NANOTUBES; RAFT PROCESS; CHEMISTRY; PYRENE; FUNCTIONALIZATION; POLY(N-ISOPROPYLACRYLAMIDE); POLYSTYRENE; RELEASE; PHASE;

D O I：

10.1021/la1001978

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

pH sensitive graphene-polymer composites have been prepared by the modification of graphene basal planes with pyrene-terminated poly(2-N,N'-(dimethyl amino ethyl acrylate) (PDMAEA) and poly(acrylic acid) (PAA) via pi-pi stacking. The pyrene-terminal PDMAEA and PAA were synthesized using reversible addition-fragmentation chain transfer (RAFT) polymerization with a pyrene-functional RAFT. agent. The graphene-polymer composites were found to demonstrate phase transfer behavior between aqueous and organic media at different pH values. Atomic force microscopy (AFM) analysis revealed that the thicknesses of the graphene-polymer sheets were approximately 3.0 nm when prepared using PDMAEA (M-n: 6800 and PDI: 1.12). The surface coverage of polymer chains on the graphene basal plane was calculated to be 5.3 x 10(-11) mol cm(-2) for PDMAEA and 1.3 x 10(-10) mol cm(-2) for PAA. The graphene-polymer composites were successfully characterized using X-ray photoelectron spectroscopy (XPS), attenuated total reflection infrared (ATR-IR) spectroscopy, and thermogravimetric analysis (TGA). Self-assembly of the two oppositely charged graphene-polymer composites afforded layer-by-layer (LbL) structures as evidenced by high-resolution scanning electron microscopy (SEM) and quartz crystal microbalance (QCM) measurements.

引用

页码：10068 / 10075

页数：8

共 56 条

[1] Complex macromolecular architectures by reversible addition fragmentation chain transfer chemistry: Theory and practice [J].

Barner, Leonie ;

Davis, Thomas P. ;

Stenzel, Martina H. ;

Barner-Kowollik, Christopher .

MACROMOLECULAR RAPID COMMUNICATIONS, 2007, 28 (05) :539-559

[2] Glycopolymer Decoration of Gold Nanoparticles Using a LbL Approach [J].

Boyer, Cyrille ;

Bousquet, Antoine ;

Rondolo, John ;

Whittaker, Michael R. ;

Stenzel, Martina H. ;

Davis, Thomas P. .

MACROMOLECULES, 2010, 43 (08) :3775-3784

[3] Bioapplications of RAFT Polymerization [J].

Boyer, Cyrille ;

Bulmus, Volga ;

Davis, Thomas P. ;

Ladmiral, Vincent ;

Liu, Jingquan ;

Perrier, Sebastien .

CHEMICAL REVIEWS, 2009, 109 (11) :5402-5436

[4] RAFT Polymer End-Group Modification and Chain Coupling/Conjugation Via Disulfide Bonds [J].

Boyer, Cyrille ;

Liu, Jingquan ;

Bulmus, Volga ;

Davis, Thomas P. .

AUSTRALIAN JOURNAL OF CHEMISTRY, 2009, 62 (08) :830-847

[5] Modification of RAFT-Polymers via Thiol-Ene Reactions: A General Route to Functional Polymers and New Architectures [J].

Boyer, Cyrille ;

Granville, Anthony ;

Davis, Thomas P. ;

Bulmus, Volga .

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 2009, 47 (15) :3773-3794

[6] Efficient Usage of Thiocarbonates for Both the Production and the Biofunctionalization of Polymers [J].

Boyer, Cyrille ;

Bulmus, Volga ;

Davis, Thomas P. .

MACROMOLECULAR RAPID COMMUNICATIONS, 2009, 30 (07) :493-497

[7] The stabilization and bio-functionalization of iron oxide nanoparticles using heterotelechelic polymers [J].

Boyer, Cyrille ;

Bulmus, Volga ;

Priyanto, Priyanto ;

Teoh, Wey Yang ;

Amal, Rose ;

Davis, Thomas P. .

JOURNAL OF MATERIALS CHEMISTRY, 2009, 19 (01) :111-123

[8] Thermal degradation behavior of polymethacrylates containing amine side groups [J].

Cervantes-Uc, J. M. ;

Cauich-Rodriguez, J. V. ;

Herrera-Kao, W. A. ;

Vazquez-Torres, H. ;

Marcos-Fernandez, A. .

POLYMER DEGRADATION AND STABILITY, 2008, 93 (10) :1891-1900

[9] Mechanically strong, electrically conductive, and biocompatible graphene paper [J].

Chen, Haiqun ;

Mueller, Marc B. ;

Gilmore, Kerry J. ;

Wallace, Gordon G. ;

Li, Dan .

ADVANCED MATERIALS, 2008, 20 (18) :3557-+

[10]

Choucair M, 2009, NAT NANOTECHNOL, V4, P30, DOI [10.1038/nnano.2008.365, 10.1038/NNANO.2008.365]

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