Figure 2.

Transmittance before and after bending and photographic images of ZnO NRs/graphene. (a) Transmittance of bare PET, graphene/PET, and ZnO NRs/graphene/PET before and after bending. (b) Photographic images of flexible ZnO NRs/graphene on PET substrate in the bending state.

Chung et al. Nanoscale Research Letters 2013 8:350   doi:10.1186/1556-276X-8-350
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