Issue 9, 2014

Design of polarization-dependent, flexural–torsional deformation in photo responsive liquid crystalline polymer networks

Abstract

Light responsive materials that exhibit wirelessly actuated, multidimensional deformation are excellent candidates for programmable matter applications such as morphing structures or soft robotics. A central challenge to designing adaptive structures from these materials is the ability accurately predict three dimensional deformations. Previous modeling efforts have focused almost exclusively on pure bending. Herein we examine key material parameters affecting light driven flexural–torsional response in azobenzene functionalized liquid crystal polymer networks. We show that a great deal of control can be obtained by specifying material alignment and actuating the material with polarized light. Insight gained from the theoretical framework here lays the foundation for more extensive modeling efforts to combine polarization controlled flexural–torsional deformations with complex geometry, boundary conditions, and loading conditions.

Graphical abstract: Design of polarization-dependent, flexural–torsional deformation in photo responsive liquid crystalline polymer networks

Supplementary files

Article information

Article type
Paper
Submitted
08 Jul 2013
Accepted
05 Nov 2013
First published
07 Nov 2013

Soft Matter, 2014,10, 1400-1410

Design of polarization-dependent, flexural–torsional deformation in photo responsive liquid crystalline polymer networks

M. L. Smith, K. M. Lee, T. J. White and R. A. Vaia, Soft Matter, 2014, 10, 1400 DOI: 10.1039/C3SM51865E

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