Uliraihin metal films and indium tin oxide(ITO)films were prepared by vacuum evaporation on n-iype Si substrate.These structures exhibit interesting phoioelecironic properties,and lateral photovoltage was observed.The...Uliraihin metal films and indium tin oxide(ITO)films were prepared by vacuum evaporation on n-iype Si substrate.These structures exhibit interesting phoioelecironic properties,and lateral photovoltage was observed.The photovoltaic output can be a linear function of the position of light spot(localized illumination)with zero output for the light spot in the center;it reverses sign when the light spot scans from one side to the other side of the center position.The mechanism for this photovoltaic behavior is discussed.展开更多
文摘Uliraihin metal films and indium tin oxide(ITO)films were prepared by vacuum evaporation on n-iype Si substrate.These structures exhibit interesting phoioelecironic properties,and lateral photovoltage was observed.The photovoltaic output can be a linear function of the position of light spot(localized illumination)with zero output for the light spot in the center;it reverses sign when the light spot scans from one side to the other side of the center position.The mechanism for this photovoltaic behavior is discussed.