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Issue 24, 2016
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Photo-induced morphological winding and unwinding motion of nanoscrolls composed of niobate nanosheets with a polyfluoroalkyl azobenzene derivative

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Abstract

Photo-responsive nanoscrolls can be successfully fabricated by mixing a polyfluoroalkyl azobenzene derivative and a niobate nanosheet, which is exfoliated from potassium hexaniobate. In this study, we have found that the photo-responsive nanoscroll shows a morphological motion of winding and unwinding, which is basically due to the nanosheet sliding within the nanoscroll, by efficient photo-isomerization reactions of the intercalated azobenzene in addition to the interlayer distance change of the nanoscrolls. The relative nanosheet sliding of the nanoscroll is estimated to be ca. 280 nm from the AFM morphology analysis. The distance of the sliding motion is over 20 times that of the averaged nanosheet sliding in the azobenzene/niobate hybrid film reported previously. Photo-responsive nanoscrolls can be expected to be novel photo-activated actuators and artificial muscle model materials.

Graphical abstract: Photo-induced morphological winding and unwinding motion of nanoscrolls composed of niobate nanosheets with a polyfluoroalkyl azobenzene derivative

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Publication details

The article was received on 16 Mar 2016, accepted on 26 May 2016 and first published on 27 May 2016


Article type: Paper
DOI: 10.1039/C6NR02177H
Nanoscale, 2016,8, 12289-12293

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    Photo-induced morphological winding and unwinding motion of nanoscrolls composed of niobate nanosheets with a polyfluoroalkyl azobenzene derivative

    Y. Nabetani, H. Takamura, A. Uchikoshi, S. Z. Hassan, T. Shimada, S. Takagi, H. Tachibana, D. Masui, Z. Tong and H. Inoue, Nanoscale, 2016, 8, 12289
    DOI: 10.1039/C6NR02177H

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