Fabrication of p-NiO/n-TiO₂ Solar Device for Photovoltaic Application

Table 1

Analytical grade chemicals used for NiO/TiO₂ solar cells.

Materials	Source	Purpose
Titanium (IV) isopropoxide 97.0%	Sigma-Aldrich Germany	As the precursor for TiO2 synthesis
Nickel acetate	Sigma-Aldrich Germany	As the precursor for NiO synthesis
Ethanol 99.9%	Merck chemicals South Africa	As the solvent for TiO2 sol-gel
Nitric acid 70.0% reagent	Sigma-Aldrich USA	As stabiliser to avoid precipitation
Deionised water	Merck chemicals South Africa	As sol-hydrolysing agent