Characterization of 12CaO x 7Al2O3 doped indium tin oxide films for transparent cathode in top-emission organic light-emitting diodes.
12CaO x 7Al2O3, insulator (C12A7) doped indium tin oxide (ITO) (ITO:C12A7) films were fabricated using a radio frequency magnetron co-sputtering system with ITO and C12A7 targets. The qualitative and quantitative properties of ITO:C12A7 films, as a function of C12A7 concentration, were examined via X-ray photoemission spectroscopy and synchrotron X-ray scattering as well as by conducting atomic force microscopy. The work function of ITO:C12A7 (1.3%) films of approximately 2.8 eV obtained by high resolution photoemission spectroscopy measurements make them a reasonable cathode for top-emission organic light-emitting diodes.
SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon 440-746, Republic of Korea.
Chul Ho
CH
Jung
In Rok
IR
Hwang
Bae Ho
BH
Park
Dae Ho
DH
Yoon
D000537:Aluminum Oxide / Q000737:chemistry*; D017610:Calcium Compounds / Q000737:chemistry; D004566:Electrodes; D004867:Equipment Design; D019544:Equipment Failure Analysis; D008029:Lighting / Q000295:instrumentation*; D049329:Nanostructures / Q000737:chemistry* / Q000648:ultrastructure; D009930:Organic Chemicals / Q000737:chemistry*; D010087:Oxides / Q000737:chemistry; D010316:Particle Size; D012031:Refractometry; D012666:Semiconductors; D017971:Tin Compounds / Q000737:chemistry*
D017610:Calcium Compounds; D009930:Organic Chemicals; D010087:Oxides; D017971:Tin Compounds; C109984:indium tin oxide; C016538:lime; D000537:Aluminum Oxide