Structural and Optical Properties of Electron Beam Evaporated ITO and Ni: ITO...
Application of Titanium Oxide EIL in Organic Devices
1. The Application of Titanium Oxide on Organic Optoelectronic Devices by Sol-Gel Process Juo-hao Li, MiHyae Park and Yang Yang Department of Materials Science and Engineering University of California – Los Angeles, California MRS. 2008, Fall. Boston
11. Concentration dependence 2.97 6.04 17.3 6.4 1.0 mg/ml * Measured at the brightness of 1000 cd/m 2 13.52 18.98 3.67 Power Efficiency* [lm/W] 14.21 7.76 3.3 0.5 mg/ml 16.92 6.27 2.8 0.2 mg/ml 5.84 16.67 5.0 0.1 mg/ml Current* efficiency [cd/A] J* [mA/cm 2 ] Volt* [V] TiO X Conc.
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15. Structure : ITO / PEDOT / LEP / EIL / Al LEP : 1% Green PF in p-xylene EIL : Modified TiO 2 Application of nano-crystalline TiO 2 on PLEDs Device efficiency are comparable with devices with Cs 2 CO 3 EIL Power efficiency 14 lm/W @ 1000 cd/m 2, ,2.8V MRS. 2008, Fall. Boston
16. Nanocrystalline TiO 2 is a good candidate as the cathode structure Application of nano - crystalline TiO 2 on OPV V oc (V) = 0.58 J sc (mA/cm 2 ) = 10.76 PCE (%) = 4.2 FF(%) = 67 ITO / PEDOT / P3HT:PCBM/n doped TiO 2 / Al MRS. 2008, Fall. Boston Adv. Funt. Mat. submitted
17. Energy alignment & Hole blocking - - - + + + MRS. 2008, Fall. Boston Energy, eV PCBM 4.9 3.7 6.1 PEDOT ITO 5.2 4.7 n doped TiO 2 3.9 7.6 4.2 Al 4.0 2.0 7.0 6.0 5.0 3.0 P3HT 3.0