Fig. 1From: Photoelectrochemical properties of mesoporous NiO x deposited on technical FTO via nanopowder sintering in conventional and plasma atmospheresEvolution of the voltammogram of uncoated FTO. Electrolyte: 0.7 M LiClO4 in anhydrous propylene carbonate; counter electrode: Li; reference redox couple: Li+/Li; scan rate: 5 mV s−1. Open circuit voltage: 2.86 V vs Li+/LiBack to article page