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Fluorescent light modulation by small electric potentials has gained huge interest in the past few years. This phenomenon, called electrofluorochromism, is of the utmost importance for applications in optoelectronic devices. Huge efforts are being addressed to developing electrofluorochromic systems with improved performances. One of the most critical issue is their low cyclability, which hampers their widespread use. It mostly depends on the intrinsic reversibility of the electroactive/fluorophore molecular system and on device architecture. Here we show a novel fluorene-based mixed-valence electrofluorochromic system that allows direct electrofluorochromic switching and exhibits incomparable electrochemical reversibility and device cyclability of more than 10 000 cycles.
American Chemical Society
Publication date: 
22 Mar 2019

Giuseppina A Corrente, Eduardo Fabiano, Massimo La Deda, Francesca Manni, Giuseppe Gigli, Giuseppe Chidichimo, Agostina-L Capodilupo, Amerigo Beneduci

Biblio References: 
Volume: 11 Issue: 13 Pages: 12202-12208
ACS applied materials & interfaces