Graphene-Enabled Superior and Tunable Photomechanical Actuation in Liquid Crystalline Elastomer Nanocomposites

Yingkui Yang, Wenjie Zhan, Rengui Peng, Chengen He, Xinchang Pang, Dean Shi, Tao Jiang, Zhiqun Lin

Research output: Contribution to journalArticlepeer-review

133 Scopus citations

Abstract

Programmable photoactuation enabled by graphene: Graphene sheets aligned in liquid crystalline elastomers are capable of absorbing near-infrared light. They thereafter act as nanoheaters and provide thermally conductive pathways to trigger the nematic-to-isotropic transition of elastomers, leading to macroscopic mechanical deformation of nanocomposites. Large strain, high actuation force, high initial sensitivity, fast reversible response, and long cyclability are concurrently achieved in nanocomposites.

Original languageEnglish
Pages (from-to)6376-6381
Number of pages6
JournalAdvanced Materials
Volume27
Issue number41
DOIs
StatePublished - 1 Nov 2015

Keywords

  • graphene
  • liquid crystalline elastomers
  • nanostructures
  • photomechanical actuators
  • photothermomechanical conversion

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