@article{799ab7e5510043b884ad20c988a3ece9,
title = "A light-induced photochromic nanoswitch capable of non-destructive readout via fluorescence Emission: Cluster vs. single-molecule excitation of dihydroindolizines",
abstract = "We have synthesized a prototype of a photochromic styrylquinolyl- dihydroindolizine (DHI), which forms a highly coloured and fluorescent betaine upon irradiation with λ < 400 nm. Embedding this photochromic DHI in a thin polymethyl methacrylate (PMMA) film permits the non-destructive readout via fluorescence at low temperature (77 K). Thus, either a non-destructive photoswitch or an information recording system becomes available. Both possibilities have been explored: image recording and read-out, as well as information storage (at 77 K) have been demonstrated. Cluster- and single molecule-fluorescence upon laser excitation (λ = 355 nm) of the styrylquinolyl-dihydroindolizine in a PMMA matrix, and the effect of fluorescence blinking has been observed.",
author = "Thomas Hartmann and Shrestha, \{Tej B.\} and Bossmann, \{Stefan H.\} and Christian H{\"u}bner and Alois Renn and Heinz D{\"u}rr",
year = "2009",
month = aug,
day = "20",
doi = "10.1039/b905956c",
language = "English",
volume = "8",
pages = "1172--1178",
journal = "Photochemical and Photobiological Sciences",
issn = "1474-905X",
publisher = "Springer Nature",
number = "8",
}
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