We report transparent stretchable single-walled carbon nanotube-polymer composite films that emit pronounced Raman and near-infrared fluorescence with a fine spatial resolution. The independent modulation in Raman and fluorescence spectra is demonstrated in response to touch and temperature. The optical signal transduction of transparent stretchable optoelectronic films may enable a paradigm shift in touch-sensing devices eliminating electrical interconnects.
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Ma et al. (2013) studied this question.
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