http://dx.doi.org/10.1016/j.orgel.2011.08.005">
 

Document Type

Journal Article

Department/Unit

Department of Chemistry

Title

Low sublimation temperature cesium pivalate complex as an efficient electron injection material for organic light-emitting diode devices

Language

English

Abstract

Cesium pivalate ((CH3)3CCOOCs) has been synthesized and applied as an electron injection material for organic light-emitting diodes, which showed low sublimation temperature of 180 °C. Typical bilayer structure of ITO/NPB (60 nm)/Alq3 (50 nm)/EIL/Al was used to evaluate the electron injection efficacy of (CH3)3CCOOCs, the results showed (CH3)3CCOOCs/Al exhibits better electron injection than LiF/Al cathode and the power efficiency was improved by about 19% at current density of 50 mA/cm2. More interestingly, in the typical three layer OLED structure ITO/2-TNATA (60 nm)/NPB (10 nm)/Alq3:2% C545T (40 nm)/MADN (15 nm)/(CH3)3CCOOCs (2 nm)/Al, the maximum current efficiency is up to 20 cd/A with Commission Internationale d'Eclairage (CIEx,y) color coordinates of (x = 0.30, y = 0.65) at current density of 140 mA/cm2, which indicates that the non-aromatic alkali metal complex can also have good match with the chemically stable compound and exhibit good electron injection properties. © 2011 Elsevier B.V. All rights reserved.

Keywords

Cesium pivalate, Electron injection material, Organic light-emitting devices

Publication Date

2011

Source Publication Title

Organic Electronics

Volume

12

Issue

11

Start Page

1957

End Page

1962

Publisher

Elsevier

ISSN (print)

15661199

This document is currently not available here.

Share

COinS