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Chinese Science Bulletin

, Volume 58, Issue 22, pp 2733–2740

First Online: 15 June 2013Received: 05 January 2013Accepted: 19 February 2013DOI: 10.1007-s11434-013-5786-2

Cite this article as: Wang, L., Jiao, S., Zhang, W. et al. Chin. Sci. Bull. 2013 58: 2733. doi:10.1007-s11434-013-5786-2

Abstract

Two novel zinc Schiff-base complexes, bis-N-2-hydroxybenzidene-p-aminodimethylanilinezincII 2 and bis-N-2-hydroxy-1-naphthidene-p-aminodimethylanilinezincII 4 were designed and synthesized. Both the complexes exhibit good solubility in organic solvents and excellent thermal stabilities. A single crystal of 2 was grown and its crystalline structure was determined from X-ray diffraction data. Analysis of the electronic structures of both the zinc complexes calculated by density functional theory reveals a localization of orbital. The UV-Vis absorption and photoluminescence profiles of 4 in thin film are similar to those of 2 , but the emission for 4 is red-shifted compared to 2 . Three-layered devices with a configuration of ITO-NPB-2 -Alq3-LiF-Al and ITO-NPB-4 -Alq3-LiF-Al show a yellow and red emission, respectively.

Keywordszinc complexes Schiff-base ligands electroluminescence This article is published with open access at Springerlink.com

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Autor: LiPing Wang - ShiBo Jiao - WeiFeng Zhang - YunQi Liu - Gui Yu

Fuente: https://link.springer.com/



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