Author/Authors :
Jakobsson، نويسنده , , F.L.E. and Crispin، نويسنده , , X. and Lindell، نويسنده , , L. and Kanciurzewska، نويسنده , , A. and Fahlman، نويسنده , , M. and Salaneck، نويسنده , , W.R. and Berggren، نويسنده , , M.، نويسنده ,
Abstract :
All-plastic light emitting diodes require the design and fabrication of low work function plastic electrodes. Here, we show that the work function of poly(3,4-ethylenedioxythiophene)-polystyrenesulfonic acid (PEDOT-PSS) can be decreased from 4.8 eV to 3.9 eV by surface reaction with the strong electron-donor tetrakis(dimethylamino)ethylene (TDAE). The surface modification was characterized by photoelectron spectroscopy and optical spectroscopy. The low work function plastic electrode was used in a first prototype for all-plastic light emitting diodes.
