G. N. Nwaji; H. O. Okoro; C. Ononogbo; Muhammad Ahmad; S. Mbamalu; C. C. Nzelu; O. U. Emekwuo; C. Okwuosa; N. V. Ogueke; E. E. Anyanwu. Dual-Layered Titanium Oxide-Acrylic Film on Carbon Black for Passive Radiative Cooling below Ambient Temperature under Direct Solar Irradiance. Advanced Energy Conversion Materials 2022, 3, 76-87.