Fig. 7From: Wafer-Scale Fabrication of Sub-10 nm TiO2-Ga2O3 n-p Heterojunctions with Efficient Photocatalytic Activity by Atomic Layer DepositionPL spectrum of 2D TiO2-Ga2O3 n-p heterostructures at room temperature with bandgaps for TiO2 and Ga2O3Back to article page