Scientific Results

Solution and Solid-State Emission Toggling of a Photochromic Hydrazone

Year: 2018

Authors: Shao B.H., Baroncini M., Qian H., Bussotti L., Di Donato M., Credi A., Aprahamian I.

Autors Affiliation: Dartmouth Coll, Dept Chem, Hanover, NH 03755 USA; Univ Bologna, CLAN, Via Gobetti 101, I-40129 Bologna, Italy; CNR, Via Gobetti 101, I-40129 Bologna, Italy; Univ Bologna, Dipartimento Sci & Tecnol Agroalimentari, Viale Fanin 50, I-40127 Bologna, Italy; LENS European Lab Nonlinear Spect, Via N Carrara 1, I-50019 Sesto Fiorentino, FI, Italy; INO, Largo Enrico Fermi 6, I-50125 Florence, Italy

Abstract: The proliferation of light-activated switches in recent years has enabled their use in a broad range of applications encompassing an array of research fields and disciplines. All current systems, however, have limitations (e.g., from complicated synthesis to incompatibility in biologically relevant media and lack of switching in the solid-state) that can stifle their real-life application. Here we report on a system that packs most, if not all, the desired, targeted and sought-after traits from photochromic compounds (bistability, switching in various media ranging from serum to solid-state, while exhibiting ON/OFF fluorescence emission switching, and two-photon assisted near-infrared light toggling) in an easily accessible structure.

Journal/Review: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Volume: 140 (39)      Pages from: 12323  to: 12327

KeyWords: machines nobel lecture; visible-light; molecular switches; AZO-BF2 switches; fluorescence
DOI: 10.1021/jacs.8b07108

Citations: 9
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2019-08-18
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English