The morphology transformation from helical nanofiber to helical nanotube in a diarylethene self-assembly system | Zendy

Yulong Duan | Zendy; Shihai Yan | Zendy; Xinhong Zhou | Zendy; Wei Xu | Zendy; Hongxia Xu | Zendy; Zhihong Liu | Zendy; Lixue Zhang | Zendy; Chuanjian Zhang | Zendy; Guanglei Cui | Zendy; Lishan Yao | Zendy

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The morphology transformation from helical nanofiber to helical nanotube in a diarylethene self-assembly system

Author(s) -

Yulong Duan,

Shihai Yan,

Xinhong Zhou,

Wei Xu,

Hongxia Xu,

Zhihong Liu,

Lixue Zhang,

Chuanjian Zhang,

Guanglei Cui,

Lishan Yao

Publication year - 2014

Publication title -

chemical communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.837

H-Index - 333

eISSN - 1364-548X

pISSN - 1359-7345

DOI - 10.1039/c4cc02580f

Subject(s) - diarylethene , nanofiber , materials science , nanotube , morphology (biology) , nanostructure , nanotechnology , self assembly , photochromism , helix (gastropod) , carbon nanotube , biology , genetics , ecology , snail

A helical nanostructure can be obtained by self-assembly of a diarylethene derivative that bears two malononitrile substitutes in a tetrahydrofuran/water medium. It is revealed that the helical nanostructure changed from helical nanofiber to helical nanotube when the diarylethene monomer changed from the open-ring isomer to the closed-ring isomer upon irradiation with 365 nm ultraviolet light, meanwhile, the helix angle of the nanostructure changed from 50° ± 5° to 75° ± 5°. There is a great possibility that the helical nanofibers and helical nanotubes are assembled from dimers as base units based on theoretical calculation and experimental results.

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