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|Title:||X-ray photoelectron spectroscopy of surface-treated indium-tin oxide thin films|
|Citation:||Kim, J.S.,Ho, P.K.H.,Thomas, D.S.,Friend, R.H.,Cacialli, F.,Bao, G.-W.,Li, S.F.Y. (1999-12-31). X-ray photoelectron spectroscopy of surface-treated indium-tin oxide thin films. Chemical Physics Letters 315 (5-6) : 307-312. ScholarBank@NUS Repository.|
|Abstract:||Angle-resolved X-ray photoelectron spectroscopy and photothermal deflection spectroscopy are used to study the oxygen-plasma or aquaregia treated indium-tin oxide (ITO) anodes for organic light-emitting diodes. Detailed analysis of the O1s core-level spectra and their dependence on photoemission angle was performed. The results indicate the presence of different chemical forms of oxygen atoms (two types of O2-, OH-, organic oxygens and H2O) which evolve with surface treatment. We find that the treatments lead to a modification of the surface chemical states and therefore of the physico-chemical properties of ITO, which in turn control the performance of organic light-emitting diodes.|
|Source Title:||Chemical Physics Letters|
|Appears in Collections:||Staff Publications|
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