Photoluminescent carbon dots of 4–5 nm size were prepared from starch (Tapioca Sago) through a solution method under mild conditions. The as-prepared carbon dots were used as photoluminescence probes for highly anion selective fluoride ion detection in aqueous solutions. A ready-to-use device is also demonstrated.
A. Basu, A. Suryawanshi, B. Kumawat, A. Dandia, D. Guin and S. B. Ogale, Analyst, 2015, 140, 1837 DOI: 10.1039/C4AN02340D
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