Work function of indium tin oxide transparent conductor measured by photoelectron spectroscopyYongsup Park, Chak Wah Tang, V.‐E. Choong et al.|Applied Physics Letters|1996Cited by 687
Dramatic photoluminescence quenching of phenylene vinylene oligomer thin films upon submonolayer Ca depositionV.‐E. Choong, Chak Wah Tang, Yongsup Park et al.|Applied Physics Letters|1996Cited by 128
Gap-State Induced Photoluminescence Quenching of Phenylene Vinylene Oligomer and Its Recovery by OxidationYongsup Park, Yongli Gao, V.‐E. Choong et al.|Physical Review Letters|1997Cited by 83
Electron spectroscopy studies of interface formation between metal electrodes and luminescent organic materialsYongsup Park, Yongli Gao, Chak Wah Tang et al.|Journal of Vacuum Science & Technology A Vacuum Surfaces and Films|1997Cited by 41
Effects of Al, Ag, and Ca on luminescence of organic materialsV.‐E. Choong, Chak Wah Tang, Yongsup Park et al.|Journal of Vacuum Science & Technology A Vacuum Surfaces and Films|1997Cited by 39