We present a simple and versatile mechanism for the reversible photoswitching of dye-doped core–shell nanoparticles. Photochromic dithienylethenes are incorporated into the outer shell, close enough to the dyes entrapped in the core to efficiently quench them by energy transfer when photoconverted with UV light. The emission can be switched back on by irradiation with lamda 4 450 nm.
Reversible photoswitching of dye-doped core-shell nanoparticles / D. Genovese; M. Montalti; L. Prodi; E. Rampazzo; N. Zaccheroni; K. Altenhöner; F. May; J. Mattay. - In: CHEMICAL COMMUNICATIONS. - ISSN 1359-7345. - STAMPA. - 47:(2011), pp. 10975-10977. [10.1039/c1cc14800a]
Reversible photoswitching of dye-doped core-shell nanoparticles
GENOVESE, DAMIANO;MONTALTI, MARCO;PRODI, LUCA;RAMPAZZO, ENRICO;ZACCHERONI, NELSI;
2011
Abstract
We present a simple and versatile mechanism for the reversible photoswitching of dye-doped core–shell nanoparticles. Photochromic dithienylethenes are incorporated into the outer shell, close enough to the dyes entrapped in the core to efficiently quench them by energy transfer when photoconverted with UV light. The emission can be switched back on by irradiation with lamda 4 450 nm.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
