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Practical Water Treatment Solution Using Hydrogel Tablets

AZoM speaks with Professor Guihua Yu from the University of Texas at Austin about a novel hydrogel tablet that is capable of rapidly converting contaminated water into purified drinking water. This novel process can potentially make a big difference in mitigating global water scarcity.

Which Semiconductors are Suitable for Optical Devices?

Image Credit: Marko Aliaksandr/Shutterstock.com Semiconductors are a widely used class of materials with electrical conductivities that fall between that of conductors and insulators. What has made doped versions of these materials the cornerstone of modern electronics is their ability to control the flow of electrons as part of a circuit, switching on and off as required, with a minimal physical device footprint. Controlling the flow of electrons is not the only interesting application of semiconductor materials. Some semiconducting materials can be used to either convert electricity into light or, to do the reverse, converting absorbed light energy into electrical charge.

How Windows Could Redirect Light to Solar Cells

How Windows Could Redirect Light to Solar Cells Image Credit: Jason Finn/Shutterstock.com Buildings of the future could have much improved environmental credentials thanks to next-generation windowpanes that redirect light to solar panels positioned along their outer edges. Such ‘smart glass’ windows would utilize light from the sun and artificial light from within the building to generate electricity. Innovative Energy Collection Luminescent solar concentrators (LSCs) are devices that concentrate solar radiation to produce electricity. They have been suggested as an innovative and colorful solution to future energy collection by Rice University engineers, who have designed and built a polymer core-based luminescent window that generates energy using sunlight or light from LEDs.

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