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Water-triggered luminescent "nano-bombs" based on supra-(carbon nanodots)
Qing Lou1, Songnan Qu, Pengtao Jing
1State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, 3888 Eastern South Lake Road, Changchun Jilin, 130033, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
Abstract:
Novel luminescent "nano-bombs" based on a self-assembled system of carbon-nanodots, termed supra-CDs, are developed. The luminescence of these luminescent "nano-bombs" depends strongly on water contact; they show weak emission in toluene and decompose in contact with water, resulting in strong photoluminescence. Paper coated with these "nano-bombs" is successfully applied for water-jet printing of luminescence patterns and the mapping of human sweat-pore patterns.
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