1) T. Sekitani, et al.: “Stretchable active-matrix organic light-emitting diode display using printable elastic conductors,” Nat. Mater., Vol. 8, pp. 494-499, 2009
2) D. J. Lipom, et al.: “Skin-like pressure and strain sensors based on transparent elastic films of carbon nanotubes,” Nature Nano., Vol. 6, pp. 788-792, 2011
3) K. S. Kim, et al.: “Large-scale pattern growth of graphene films for stretchable transparent electrodes,” Nature, Vol. 457, pp. 706-710, 2009
4) T. Chen, et al.: “Transparent and stretchable high-performance supercapacitors based on wrinkled graphene electrodes,” ACS Nano, Vol. 8, pp. 1039-1046, 2014
5) D. J. Lipomi, et al.: “Electronic Properties of Transparent Conductive Films of PEDOT:PSS on Stretchable Substrates,” Chem. Mater., Vol. 24, pp. 373-382, 2012