4.8 Article

A Graphene-Based Bimorph Structure for Design of High Performance Photoactuators

Journal

ADVANCED MATERIALS
Volume 27, Issue 47, Pages 7867-7873

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201502777

Keywords

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Funding

  1. Natural Science Foundation for Distinguished Young Scientists of Jiangsu Province [BK2012008]
  2. Hong Kong, Macao, and Taiwan Science & Technology Cooperation Program of China [2012DFH50120]
  3. National Natural Science Foundation of China [11204350, 21373263]
  4. Natural Science Foundation of Jiangsu Province [BK20131173]
  5. BIC, Chinese Academy of Sciences [121E32KYSB20130009]

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A photoactuator based on a tubularshaped graphene composite bimorph is fabricated and shows reversible photoactuation with fast response and large deformation (deformation angle of ca. 479 degrees in only 3.6 s), which is mostly attributed to the interfacial thermal stress. Various photoactuator devices based on the tubular bimorph, including a smart box and crawler-type robot that can mimic tank-track motion, are designed.

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