Overview
ABSTRACT
Dispirofluorene-indenofluorenes associate fluorenyl derivatives to the flat and rigid indenofluorenyl units. The architecture of these molecules is three-dimensional and their electronic properties are modulated by the nature and geometry of the various ? systems. Certain of these molecules with a geometry allowing intramolecular interactions between two ? systems positioned in a "face-to-face " configuration lead to a blue emission which would be impossible to achieve by the emission of independent ?-systems. The use of a blue light from intramolecular excimers in electroluminescent organic diodes is presented in this article.
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Read the articleAUTHORS
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Cyril PORIEL : Doctorate from the University of Rennes 1 - CR1 CNRS, Institute of Chemical Sciences of Rennes, UMR CNRS 6226, University of Rennes 1
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Joëlle RAULT-BERTHELOT : Doctor of Science - DR2 CNRS, Institute of Chemical Sciences of Rennes, UMR CNRS 6226, University of Rennes 1
INTRODUCTION
Field: Organic electronics, organic semiconductors
Degree of technology diffusion: Emergence | Growth | Maturity
Technologies involved : Organic light-emitting diodes
Applications: Display / Lighting
Main French players: Orgatech (LPICM, École Polytechnique), Elorga (Bordeaux), Plate-forme OLED 200 mm (CEA-LETI Grenoble), Plate-forme Organique IEMN (Villeneuve d'Ascq), Plate-forme Électronique Plastique (XLIM Limoges), Institut d'électronique du solide et des systèmes (InESS Strasbourg).
Competitive clusters: Minalogic, Tenerrdis
Competence centers: Organic Electronics Research Group (GDR 3368)
Manufacturers :
Other global players: Siemens + Osram, Philips, Sony + Panasonic, Mitsubishi Electric, Verbatim, Konica Minolta, LG Chem, Inteltronic, DuPont Display, General Electric, Holst center....
Contact: Cyril Poriel – Joëlle Rault-Berthelot, Groupe MaCSE, UMR CNRS 6226 Institut des Sciences Chimiques de Rennes, 35042, France [email protected] ; [email protected]
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A unique molecular design for excimer OLEDs based on oligophenylenes
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