New approaches to manufacturing the nanocrystallites (NCs) of metallic oxides are desired dueto their emerging applications in a wide range of high-technology applications. Recent work showed that metaloxide NCs could be synthesized by a new pathway: submerged photosynthesis of crystallites (SPSC), whichrequires only light and water and generates hydrogen gas as a byproduct.[1,2] These characteristics give rise to apotential application of SPSC as a green technology for energy, chemistry and nanotechnology. Therefore,SPSC method is applied for ZnO nanorods synthesis in this work, and the photochemistry reactions and the roleof light in the SPSC process are studied.
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