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Published on: October 9, 2012
Photochromic systems with photoinduced emission modulation of colloidal CdSe quantum wells
Valery A Barachevsky1, Olga V Venidiktova2, Tatyana M Valova2
1Photochemistry Center FSRC "Crystallography and Photonics of the Russian Academy of Sciences, Moscow, Russia. barva@photonics.ru and Interdepartmental Center of Analytical Research of the Russian Academy of Sciences, Moscow, Russia.
Abstract:
A spectroscopic study of photochromic systems containing two-dimensional CdSe nanoparticles (colloidal quantum wells) and photochromic compounds of the thermally relaxing chromene and thermally irreversible diarylethene classes in solutions was carried out. First, the systems were found to exhibit modulation of emission of two-dimensional nanoparticles in accordance with the photochromic transformations of compounds due to Förster resonance energy transfer (FRET) from the two-dimensional nanoparticles to photoinduced photochromic isomers.
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