Dual-purpose tunnel oxide passivated contact on silicon photoelectrodes with high photovoltages for tandem photoelectrochemical devices enabling unassisted water splitting
Choongman Moon, Filipe Martinho, Gihun Jung, Jaehyuk Koh, Alireza Hajijafarassar, Sung‐Wook Nam, Stela Canulescu, Byungha Shin
Abstract
Tunnel-oxide-passivated contact on a crystalline Si improves the photovoltage of Si photoelectrode to reach 640–650 mV even after a high-temperature process up to 600 °C, which makes it useful as the bottom cell of a monolithic tandem device.
Topics & Concepts
TandemWater splittingMaterials scienceOxideOptoelectronicsSiliconChemistryComposite materialBiochemistryMetallurgyPhotocatalysisCatalysisSemiconductor materials and devicesNanowire Synthesis and ApplicationsElectronic and Structural Properties of Oxides