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Organic-free colloidal semiconductor nanocrystals as luminescent sensors for metal ions and nitroaromatic explosives

Abhishek Swarnkar,G. Shiva Shanker,Angshuman Nag

Luminescence

Nanocrystal

Materials science

2014

Exposed surfaces of organic-free colloidal semiconductor nanocrystals act as generic luminescent sensors for multiple analytes. S2− capped CdSe/CdSeS/CdS core/gradient-shell/shell nanocrystals are turn-on sensors for Cd2+ ions (110 pM) in an aqueous medium with physiological pH 7.4. A similar organic-free semiconductor nanocrystal shows luminescence turn-off sensing for 2,4,6-trinitrophenol, a known explosive.

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“Organic-free colloidal semiconductor nanocrystals as luminescent sensors for metal ions and nitroaromatic explosives” is a paper by Abhishek Swarnkar G. Shiva Shanker Angshuman Nag published in 2014. It has an Open Access status of “closed”. You can read and download a PDF Full Text of this paper here.