Simultaneous Electropolymerization and Electro-Click Functionalization for Highly Versatile Surface Platforms

Simple preparation methods of chemically versatile and highly functionalizable surfaces remain rare and present a challenging research objective. Here, we demonstrate a simultaneous electropolymerization and electro-click functionalization process (SEEC) for one-pot self-construction of aniline- and...

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Bibliographic Details
Published in:ACS nano 2014-05, Vol.8 (5), p.5240-5248
Main Authors: Rydzek, Gaulthier, Terentyeva, Tatyana G, Pakdel, Amir, Golberg, Dmitri, Hill, Jonathan P, Ariga, Katsuhiko
Format: Article
Language:English
Subjects:
Aniline Compounds - chemistry
Azo Compounds - chemistry
Biocompatible Materials - chemistry
Catalysis
Copper - chemistry
Cycloaddition
Electrochemistry
Horseradish Peroxidase - chemistry
Ions
Microscopy, Atomic Force
Microscopy, Electron, Scanning
Nanostructure
Nanotechnology - methods
Oxygen - chemistry
Peroxidases - chemistry
Polymerization
Polymers - chemistry
Reduction
Sensors
Spectrophotometry, Ultraviolet
Stimuli
Surface chemistry
Surface Properties
Synthesis (chemistry)
Ultraviolet Rays
X-Rays
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Summary:Simple preparation methods of chemically versatile and highly functionalizable surfaces remain rare and present a challenging research objective. Here, we demonstrate a simultaneous electropolymerization and electro-click functionalization process (SEEC) for one-pot self-construction of aniline- and naphthalene-based functional polymer films where both polymerization and click functionalization are triggered by applying electrochemical stimuli. Cyclic voltammetry (CV) can be applied for the simultaneous oxidation of 4-azido­aniline and the reduction of Cu(II) ions, resulting in polymerization of the former, and the Cu(I)-catalyzed alkyne/azide cycloaddition (“click” chemistry). Properties of the films obtained can be tuned by varying their morphology, their chemically “clicked” content, or by postconstruction functionalization. To demonstrate this, the CV scan rates, component monomers, and “clicked” molecules were varied. Covalent postconstruction immobilization of horseradish peroxidase was also performed. Consequently, pseudo­capacitance and enzyme activity were affected. SEEC provides surface scientists an easy access to a wide range of functionalization possibilities in several fields including sensors, fuel cells, photovoltaics, and biomaterials.
ISSN:1936-0851
1936-086X
DOI:10.1021/nn501306y