Blue Phosphorescent Organic Light-Emitting Devices with the Emissive Layer of mCP:FCNIr(pic)
Jang, JiG; Ji, HJin
| HERO ID | 3576351 |
|---|---|
| In Press | No |
| Year | 2012 |
| Title | Blue Phosphorescent Organic Light-Emitting Devices with the Emissive Layer of mCP:FCNIr(pic) |
| Authors | Jang, JiG; Ji, HJin |
| Journal | Advances in Materials Science and Engineering |
| Abstract | New high-efficiency blue-light-emitting phosphorescent devices with 300 angstrom-thick emissive layer of N,N'-dicarbazolyl-3,5-benzene [mCP] doped with 10 vol.% bis[(3,5-difluoro-4-cyanophenyl) pyridine] iridium picolinate [FCNIr(pic)] were fabricated with the different treatments of hole and electron transport layers. In the experiments, a single layer of 1,1-bis-(di-4-polyaminophenyl) cyclohexane [TAPC] and a double layer of N,N'-di(1-naphthyl)-N,N'-diphenylbenzidine [NPB] and mCP were used as hole transport layers (HTLs). In addition, 500 A -thick double layers of tris-[3-(3-pyridyl) mesityl] borane [3TPYMB] and 4,7-diphenyl-1,10-phenanthroline [Bphen] were used as electron transport layers (ETLs) with various thickness combination of 3TPYMB/Bphen. Among the fabricated devices, the one using TAPC as an HTL and 3TPYMB(100 angstrom)/Bphen(400 angstrom) as an ETL showed best electroluminescent characteristics with a maximum quantum efficiency of 13.3% and a luminance of 950 cd/m(2) at 10V. The color coordinates were (0.14, 0.22) on the Commission Internationale de I'Eclairage (CIE) chart, and the electroluminescent spectra showed the double-peak emissions at 458nm and 483 nm. |
| Doi | 10.1155/2012/192731 |
| Wosid | WOS:000305617600001 |
| Is Certified Translation | No |
| Dupe Override | No |
| Is Public | Yes |