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Functional electrochromic materials that allow energy modulation both in the visible and in the near-infrared (NIR) spectral ranges are attracting increasing interest both for the fundamental scientific aspects related to their spectroelectrochemistry and for their technological applications. Vis-NIR dimmable windows based on these materials are very promising for tunable shading, thus allowing lighting and heat energy use saving. Organic mixed valence compounds (MVs) are an interesting class of small molecules with NIR electrochromism arising from optically induced intervalence charge transfer transitions (IVCT). Here, we report the synthesis and vis-NIR electrochromic properties of new organic mixed valence systems, with two and three amino redox centers bridged by a dibenzofulvene (DBF) unit. We studied the neutral and charged state characteristics of these MVs in solution by spectroelectrochemical …
American Chemical Society
Publication date: 
30 Jul 2018

Giuseppina Anna Corrente, Eduardo Fabiano, Francesca Manni, Giuseppe Chidichimo, Giuseppe Gigli, Amerigo Beneduci, Agostina-Lina Capodilupo

Biblio References: 
Volume: 30 Issue: 16 Pages: 5610-5620
Chemistry of Materials