Hydrogels: Photothermally Sensitive Poly(N-isopropylacrylamide)/Graphene Oxide Nanocomposite Hydrogels as Remote Light-Controlled Liquid Microvalves (Adv. Funct. Mater. 19/2012)

Authors

  • Chun-Hua Zhu,

    1. Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, the National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
    Search for more papers by this author
  • Yang Lu,

    1. Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, the National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
    Search for more papers by this author
  • Jun Peng,

    1. Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
    Search for more papers by this author
  • Jia-Fu Chen,

    Corresponding author
    1. Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, the National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
    • Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, the National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China.
    Search for more papers by this author
  • Shu-Hong Yu

    Corresponding author
    1. Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, the National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
    • Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, the National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China.
    Search for more papers by this author

Abstract

original image

Nanocomposite materials can turn temperature-responsive hydrogels into light-activated ones. On page 4017, Jia-Fu Chen, Shu-Hong Yu, and co-workers report the synthesis of a photothermally sensitive poly(N-isopropylacrylamide)/graphene oxide (PNIPAM/GO) nanocomposite hydrogel on the macroscopic scale using in situ gamma-irradiationassisted polymerization. The swelling–shrink transition of the nanocomposite hydrogels can be controlled via near-infrared (NIR) laser exposure or non-exposure, demonstrating potential applications as controlled liquid microvalves.

Ancillary