Abstract
A low-cost and efficient photocatalytic reactor for environmental treatment and green technology was presented. ZnO nanorods firmly growing on polycarbonate optical disk substrate are generally perpendicular to the substrate as the immobilized photocatalyst of the spinning disk reactor. The photocatalytic efficiency and durability of the ZnO nanorods are effectively demonstrated.
Highlights
With the development of human civilization, the progress of science and technology has brought a lot of damage to our unique Earth
We developed a simple process of large-area zinc oxide (ZnO) nanorods on the polycarbonate optical disk substrate, which is called photocatalytic optical disk (POD for short)
The intensity of the optical absorption peak of methyl orange molecules located at around 450-520 nm is decreased with the processing time, indicating that the molecules are photodegraded by the POD
Summary
With the development of human civilization, the progress of science and technology has brought a lot of damage to our unique Earth. Rapid progress in nanotechnology concurrently promises to revolutionize industry and presents opportunities to create a new and better life. Some of the potential are applied to environmental remediation and green energy. Photocatalyst can promote the reaction without chemical changes itself under light irradiation at low temperature, which functions like chlorophyll in photosynthesis. Extensive work and literatures have reported on a laboratory to scale the potential of such promising and bionic technology for environmental purification [2], selfcleaning materials [3], advanced solar energy conversion [4,5], cancer treatment [6], and highly efficient antibacterial [7]
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