Transition of Morphology between Nanosheet and Nanosphere of Ternary Comb Copolymers with Hydrophobic Carbazole Ring Induced by Changes in Surface Pressure

Atsuhiro Fujimori; Yohei Kenko

Transition of Morphology between Nanosheet and Nanosphere of Ternary Comb Copolymers with Hydrophobic Carbazole Ring Induced by Changes in Surface Pressure

Atsuhiro Fujimori * §

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Yohei Kenko

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Saitama University

Transition of Morphology between Nanosheet and Nanosphere of Ternary Comb Copolymers with Hydrophobic Carbazole Ring Induced by Changes in Surface Pressure

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Abstract

Transition behavior from monolayer on the water surface to single particle layer of ternary comb copolymer containing carbazole ring have investigated by surface pressure-area isotherm, atomic force microscopy, X-ray diffraction. This polymer monolayer is able to form the “polymer nanosheet” with amorphous layers and strong interaction between main-chains fabricated by a Langmuir-Blodgett (LB) technique. Further, single particle layer is able to form the multi-particle layered organization of “polymer nanosphere” by LB method. This ternary comb copolymer synthesized by radical copolymerization with hydrogenated and fluorinated long-chain vinyl compounds. Poly(N-vinylcarbazole) homopolymer formed single particle layer on the water surface after spreading, immediately. Spontaneous “particulation” behavior is accelerated by incorporation of carbazole units in ternary copolymer films. Monolayer of these copolymers on the water surface formed below 10 mN m-1, and this monolayer transited to single particle layer above 15 mN m-1.

References

18 Cites in Article

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Atsuhiro Fujimori, Yohei Kenko, Yohei Kenko. 2014. "Transition of Morphology between Nanosheet and Nanosphere of Ternary Comb Copolymers with Hydrophobic Carbazole Ring Induced by Changes in Surface Pressure". Global Journal of Science Frontier Research, Global Journal of Science Frontier Research - B: Chemistry GJSFR-B Volume 14 (GJSFR Volume 14 Issue B1).

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GJSFR Volume 14 Issue B1

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Keywords

fluorocarbon hydrocarbon n-vinyl carbazole organized molecular films ternary comb copolymer

Classification

GJSFR-B Classification FOR Code: 039999

Submission ReceivedDecember 22, 2013
Peer Review Double Blind
Handling Editor
Accepted January 16, 2014
Published January 28, 2014

Version of record

v1.2

Issue date

March 7, 2014

Language

English

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Article Matrices

Total Score: 192

Country: Japan

Subject: Global Journal of Science Frontier Research

Authors: Yohei Kaneko, Takahiro Kikkawa, Atsuhiro Fujimori (PhD/Dr. count: 0)

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