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UVO 표면 전처리에 따른 Cu2O 성장 및 광 전극 특성 연구
이후중 ( Hu Joong Lee ),김태겸 ( Tae Gyoum Kim ),오희봉 ( Hee-bong Oh ),류혁현 ( Hyuk Hyun Ryu ),이원재 ( Won-jae Lee ) 대한금속재료학회(구 대한금속학회) 2015 대한금속·재료학회지 Vol.53 No.6
Ultraviolet ozone (UVO) surface-treatment was carried out on fluorine-doped tin oxide (FTO) substrate prior to the growth of Cu2O thin-films by electrochemical deposition. This was done to improve their photo-electrochemical properties. We examined the effect of various durations of UVO surface-treatment on the morphological, structural, optical and photo-electrochemical properties of Cu2O thin-films. The effects were measured via field-emission scanning-electron microscopy (FE-SEM), X-ray diffraction (XRD), UV-visible spectroscopy and 3-electrode potentiostat, respectively. The highest photocurrent density (4.22 mA/cm2) was achieved with a 2-minute UVO surface-treatment.(Received August 19, 2014)