Wafula, Henry; Juma, Albert; Sakwa, Thomas; Musembi, Robinson; Simiyu, Justus
(2016-07-22)
Surface photovoltage (SPV) spectroscopy is a powerful tool for studying electronic defects on semiconductor surfaces, at interfaces, and in bulk for a wide range of materials. Undoped and Cobalt-doped TiO 2 (CTO) thin films ...