Nanoparticle formation and ultrathin film electrodeposition of carbazole dendronized polynorbornenes prepared by ring-opening metathesis polymerization

Guoqian Jiang; Ramakrishna Ponnapati; Roderick Pernites; Carlos D. Grande; Mary Jane Felipe; Edward Foster; Rigoberto Advincula

doi:10.1021/la103441f

Nanoparticle formation and ultrathin film electrodeposition of carbazole dendronized polynorbornenes prepared by ring-opening metathesis polymerization

Guoqian Jiang, Ramakrishna Ponnapati, Roderick Pernites, Carlos D. Grande, Mary Jane Felipe, Edward Foster, Rigoberto Advincula

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

We report on the synthesis, electropolymerization, and nanoparticle formation of a series of electroactive carbazoleterminated dendronized linear polynorbornenes prepared by living ring-opening metathesis polymerization (ROMP). The molecular weight (MW) of the dendronized polymers was controlled by varying the feed ratio between the dendronized monomer and first-generation Grubbs' catalyst. Ultrathin films were prepared by electrodeposition. The electrochemical behavior and viscoelastic properties of such films were found to be highly dependent on the dendron generation and linear polymer MW as studied by electrochemical quartz crystal microbalance (E-QCM). Moreover, nanoparticle formation and size/shape control were observed by tuning the surface wetting properties of the substrate during adsorption and by intramolecular cross-linking via chemical oxidation in solution.

Original language	English
Pages (from-to)	17629-17639
Number of pages	11
Journal	Langmuir
Volume	26
Issue number	22
DOIs	https://doi.org/10.1021/la103441f
Publication status	Published - 2010 Nov 16
Externally published	Yes

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Surfaces and Interfaces
Spectroscopy
Electrochemistry

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Nanoparticle formation and ultrathin film electrodeposition of carbazole dendronized polynorbornenes prepared by ring-opening metathesis polymerization. / Jiang, Guoqian; Ponnapati, Ramakrishna; Pernites, Roderick; Grande, Carlos D.; Felipe, Mary Jane; Foster, Edward; Advincula, Rigoberto.

In: Langmuir, Vol. 26, No. 22, 16.11.2010, p. 17629-17639.

Research output: Contribution to journal › Article › peer-review

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abstract = "We report on the synthesis, electropolymerization, and nanoparticle formation of a series of electroactive carbazoleterminated dendronized linear polynorbornenes prepared by living ring-opening metathesis polymerization (ROMP). The molecular weight (MW) of the dendronized polymers was controlled by varying the feed ratio between the dendronized monomer and first-generation Grubbs' catalyst. Ultrathin films were prepared by electrodeposition. The electrochemical behavior and viscoelastic properties of such films were found to be highly dependent on the dendron generation and linear polymer MW as studied by electrochemical quartz crystal microbalance (E-QCM). Moreover, nanoparticle formation and size/shape control were observed by tuning the surface wetting properties of the substrate during adsorption and by intramolecular cross-linking via chemical oxidation in solution.",

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AU - Pernites, Roderick

AU - Grande, Carlos D.

AU - Felipe, Mary Jane

AU - Foster, Edward

AU - Advincula, Rigoberto

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AB - We report on the synthesis, electropolymerization, and nanoparticle formation of a series of electroactive carbazoleterminated dendronized linear polynorbornenes prepared by living ring-opening metathesis polymerization (ROMP). The molecular weight (MW) of the dendronized polymers was controlled by varying the feed ratio between the dendronized monomer and first-generation Grubbs' catalyst. Ultrathin films were prepared by electrodeposition. The electrochemical behavior and viscoelastic properties of such films were found to be highly dependent on the dendron generation and linear polymer MW as studied by electrochemical quartz crystal microbalance (E-QCM). Moreover, nanoparticle formation and size/shape control were observed by tuning the surface wetting properties of the substrate during adsorption and by intramolecular cross-linking via chemical oxidation in solution.

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Nanoparticle formation and ultrathin film electrodeposition of carbazole dendronized polynorbornenes prepared by ring-opening metathesis polymerization

Abstract

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