期刊
ACS APPLIED MATERIALS & INTERFACES
卷 11, 期 13, 页码 12202-12208出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.9b01656
关键词
electrofluorochromism; light modulation; arylamine-fluorene mixed valence; electroactive fluorophore; switching device
资金
- Ministero dell'Istruzione dell'Universita e della Ricerca Italiano (MIUR)
- University of Calabria
- project PERSEO-PERrovskite-based Solar cells: towards high Efficiency and long-term stability (Bando PRIN 2015-Italian Ministry of University and Scientific Research (MIUR)) [2488, 20155LECAJ]
- FISR-C.N.R research project TECNOMED -Research Centre for the application of Nanotechnology and Photonics to Precision Medicine [CUP B83B17000010001]
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.
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