Improved Electrical Performance of NILC Poly-Si TFTs Manufactured Using H2SO4 and HCl Solution

Abstract

In this study, we fabricated a NILC surface on a SiO2-coated silicon wafer, and then used HCl solution and H2SO4 + H2O2 solution to do surface treatment. The treatment could reduce Ni or NiSi2 that was trapped at the surface of silicon and therefore the electrical characteristics of these devices were improved.