In terms of optical properties, titanium dioxide nanomaterials usually behave as wide-bandgap semiconductor materials. The bandgap widths of the anatase phase, rutile phase and brookite phase are 3.2 ...

According to the study, injecting 5 million tons of synthetic diamond dust into the atmosphere each year could cool the planet by as much as 1.6 degrees Celsius over the next 45 years. This cooling ...