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Effects of Colour-filtering Solar Beam on Reaction Product From d-group Transition Metals in N2 Gas Environment under Heating with Concentrated Solar BeamDOI: 10.5923/j.ijmc.20120205.04 Keywords: Colour-filtering Solar Beam, Solar-induced Fluorescence (SIF) of C2 Radical, Morphology of Carbo-nitride of d-group Transition Metals Abstract: Recently, Noda and collaborators at Kyoto University reported possible enhancement of photo-voltaic cell (PVC) energy conversion efficiency by allowing penetration of preferential range of wavelength components alone to PVC by filtering the solar beam through a special semiconductor thin film developed at their laboratory. During the course of our recent experimental attempts ofnitridingd-group transition metals in N2 gas environment, we detected intriguing effects of colour-filtering on reaction product. In the present report, these effects of colour-filtering are reviewed under new light of recently reported evidence by Noda and co-workers. It appears that, by colour-filtering the selected wavelength range in solar beam, undesirable secondary reactions might be suppressed to result in promotion of a target reaction under heating using concentrated solar beam as the source of reaction heat.
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