| Title |
Properties of Electrical and Optical for OLED using Zn(HPB)q as Electron Transporting Layer |
| Authors |
김동은(Kim, Dong-Eun) ; 박준우(Park, Jun-Woo) ; 김병상(Kim, Byoung-Sang) ; 이범종(Lee, Burm-Jong) ; 권영수(Kwon, Young-Soo) |
| Keywords |
OLED ; Electron Transporting Layer ; Zn-complexes ; Cyclic Voltammetry ; Ionization Potential ; Electron Affinity |
| Abstract |
Recently, high luminance and high efficiency were realized in OLED with multilayer structure including emitting materials such as metal-chelate complexes. We synthesized a new luminescent material, namely, [2-(2-hydroxyphenyl)quinoline] (Zn(HPB)q) which has low molecular compound and emitted in yellowish green region. The ionization potential(IP) and electron affinity(EA) of Zn(HPB)q were measured by cyclic-voltammetry(CV). As a result, IP and EA of Zn(HPB)q were calculated 6.8 eV and 3.5 eV, respectively. We fabricated the devices and observed the possibility of Zn(HPB)q as electron transporting layer. We have obtained an improvement of luminance and decrease of turn-on voltage using Zn(HPB)q as electron transporting layer. |