Enhanced photo-response performance of Cu<sub>2</sub>O-based graded heterojunction optoelectronic devices with a Ga<sub>2</sub>O<sub>3</sub> buffer layer
Meng Xiao, Kailian Dong, Jiwei Liang, Jin He, Guojia Fang
Abstract
Heterojunctions with gradient energy bands confirmed via Kelvin probe force microscopy (KPFM) are confirmed to be effective in accelerating charge transport and suppressing carrier recombination in Cu 2 O-based-film photodetector and solar cell devices.
Topics & Concepts
Materials scienceHeterojunctionOptoelectronicsKelvin probe force microscopeBuffer (optical fiber)PhotodetectorLayer (electronics)Charge carrierActive layerSolar cellAtomic force microscopyNanotechnologyThin-film transistorTelecommunicationsComputer scienceGa2O3 and related materialsZnO doping and propertiesElectronic and Structural Properties of Oxides