Sprayed polycrystalline ZnO and boron-doped ZnO thin films composed of spherical grains of 25–32nm in diameters are used in roughness measurement and further correlated with the transparency and the conductivity characteristics. The surface roughness is increased up to Zn0.98B0.02O and then declined at higher boron concentrations. The sprayed ZnO films revealed ≥95% transmittance in the visible wavelength range, 1.956×10−4Ωcm electrical resistivity, 46cm2/Vs Hall mobility and 9.21×1021cm−3 charge carrier concentration. The X-ray photoelectron spectroscopy study has confirmed 0.15eV binding energy change for Zn 2p3/2 when 2at% boron content is mixed without altering electro-optical properties substantially. Finally, using soft modeling importance of these textured ZnO over non-textured films for enhancing the solar cells performance is explored.