A film luminescent nanosensor based on a quantum dot—organic molecule complex
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A dissociative luminescent sensor for Ni2+, Co2+, and H+ ions in water solutions has been developed. This sensor is a complex made up of luminescent semiconductor hydrophobic CdSe/ZnS quantum dots (QDs) with azo-dye l-(2-pyridylazo)-2-naphthol (PAN). The luminescent properties of these complexes are investigated in organic solutions and in polymer matrixes. It is shown that the QD/PAN complex can be used for the quantitative luminescent analysis of Ni2+, Co2+, and H+ ions in water solutions with a significantly higher sensitivity than that of the traditional colorimetric methods of analysis.
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- A film luminescent nanosensor based on a quantum dot—organic molecule complex
Nanotechnologies in Russia
Volume 5, Issue 1-2 , pp 49-57
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- 1. Center of International Optical Technologies, State University of International Technologies, Mechanics, and Optics, Kronverkskii pr. 49, St. Petersburg, 197101, Russia
- 2. Institute for Physicochemical Problems, Belarussian State University, ul. Leningradskaya 14, Minsk, 220080, Belarus