Luminescent Neutral Cu(I) Complexes: Synthesis, Characterization and Application in Solution-Processed OLED. (25th March 2016)

• Record Type: Journal Article
• Authors: Bizzarri, Claudia; Fléchon, Charlotte; Fenwick, Oliver; Cacialli, Franco; Polo, Federico; Gálvez-López, María Dolores; Yang, Cheng-Han; Scintilla, Simone; Sun, Yinghui; Fröhlich, Roland; De Cola, Luisa
• Is Part Of: ECS journal of solid state science and technology. Volume 5:Number 6(2016)
• Page Start: R83
• Page End: R90
• Publication Date: 2016-03-25
• Subjects: Copper complexes -- electroluminescence -- Luminescence -- OLED; Solid state chemistry -- Periodicals; Electronics -- Materials -- Periodicals; Electrochemistry -- Periodicals; 541.0421
• DOI: 10.1149/2.0021606jss
• Languages: English
• ISSNs: 2162-8777

Abstract

Abstract : Four novel neutral copper(I) compounds were prepared, based on the chelating phosphine bis(2-(diphenylphosphino)phenyl)ether, (DPEPhos), and a series of nitrogen-containing heterocycles as ancillary ligands. The optical properties can be tuned according to the ancillary ligand and their emissions at room temperature in aprotic solvent (CH2 Cl2 ) go from greenish blue to orange. Their photoluminescence in solid state is particularly attractive and make their employment in opto-electronic devices very appealing. In particular, the low-cost preparation method of solution-processed light emitting devices is suitable for copper(I) complexes. In order to choose a suitable device architecture, the electrochemical characteristics were investigated and the frontier orbitals values were determined. Preliminary results on solution-processed OLED are presented.