A high-performance dielectric block copolymer with a self-assembled superhelical nanotube morphology

文献情報

出版日 2016-12-05

DOI 10.1039/C6PY01571A

インパクトファクター 5.582

著者

Wenmei Liu, Jie Chen, Dandan Zhou, Xiaojuan Liao, Meiran Xie, Ruyi Sun

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要旨

A block copolymer consisting of functional polynorbornene (PNBE) and polyacetylene (PA) segments was synthesized by tandem metathesis polymerization, and self-assembled into a superhelical nanotube morphology from achiral building blocks. Bearing insulated PNBE and conductive PA segments with unique nanostructures, the block copolymers displayed high dielectric permittivities of 25–29, low dielectric losses of 0.03–0.04, and excellent stored/released energy densities of 2.0–1.9/1.7–1.2 J cm−3 under the breakdown fields of 270–200 MV m−1, due to strong dipolar and nanointerfacial polarizations as well as stereoregular chain microstructure contributions. This strategy provided a new way for the development of advanced nanodielectric materials.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.

A high-performance dielectric block copolymer with a self-assembled superhelical nanotube morphology

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