From:  Green synthesis and characterization of La-doped ZnO nanoparticles using pineapple peel extract: a sustainable approach to improve functional properties

 Average crystallite size and bandgap of undoped ZnONPs and La-ZnONPs on the basis of dopant concentration.

ProductsAverage crystallite size (nm)Bandgap (eV)
ZnONPs27.253.21
1% La-ZnONPs25.683.18
2% La-ZnONPs25.353.13
3% La-ZnONPs21.273.11

ZnONPs: zinc oxide nanoparticles; La-ZnONPs: lanthanum-doped ZnONPs.