Fig. 4From: Mapping the structural, electrical, and optical properties of hydrothermally grown phosphorus-doped ZnO nanorods for optoelectronic device applicationsNormalized reflectance (a) and corresponding Tauc plots (b) for all the samples (inset: NH4H2(PO4)2 M ratio-dependent variation of optical bandgaps of ZnO nanorods.). c Normalized PL spectra of Al-doped ZnO seed layer, undoped ZnO nanorods, and phosphorus-doped ZnO nanorods. d The PL peak positions of NBE emission as a function of NH4H2(PO4)2 M ratio. e The magnified NIR emission from the Al-doped ZnO seed layer. f The DLE emission peaks of undoped and doped ZnO nanorods samplesBack to article page