The particles only absorb around 30 percent of visible light, so the panel appears to be clear glass. When infrared and ultraviolet radiation strike the particles, they luminesce to produce light of wavelengths that can be absorbed by solar silicon PV collectors to generate PV electricity. Microscopically small particles of photoluminescent compounds are embedded in a plastic film, which is used to laminate two sheets of clear glass (as in a laminated windscreen). The way the product works is easiest understood by describing how it is made. Not surprisingly, the company sees its future in these overseas markets rather than in Australia. In many climates, the cost-benefit case can be further increased since the panels can be combined in double or even quadruple glazed configurations without affecting their PV performance. In these markets it is effectively a lower cost option than ordinary glass. Already, there are many major potential markets where the combination of incentives and penalties are more than sufficient to offset the higher cost of ClearVue glass. These penalties are already in place and are legislated to increase progressively over the next decade. In Europe and North America, there are already strong motivations to reduce the greenhouse gas footprint of buildings, in the form of both incentives and very substantial financial penalties for failing to do so. The economic selling point for the technology is the combination of green energy production and energy saving. This is an important aesthetic and practical advantage. The feature that differentiates the product from those of competitors is that this performance is achieved while maintaining 70% transparency to visible light, with high clarity – the clear glass does not have any visible energy-collecting elements. The company has developed a range of high-transparency window and glazed façade products that operate as solar PV generators, producing 30-40 watts per square metre. ClearVue PV has vision of a world where nearly all building surfaces become solar photovoltaic (PV) collection sources, and a key part of the response to the climate crisis.
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