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Photonics 2018, 5(3), 25; https://doi.org/10.3390/photonics5030025

Semi-Transparent Energy-Harvesting Solar Concentrator Windows Employing Infrared Transmission-Enhanced Glass and Large-Area Microstructured Diffractive Elements

1
Electron Science Research Institute (ESRI), Edith Cowan University, 270 Joondalup Dr, 6027, WA, Australia
2
School of Mechanical Engineering, Chung-Ang University, Seoul 06974, Korea
*
Author to whom correspondence should be addressed.
Received: 23 July 2018 / Revised: 2 August 2018 / Accepted: 15 August 2018 / Published: 17 August 2018
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Abstract

We report on the study of energy-harvesting performance in medium-size (400 cm2) glass-based semitransparent solar concentrators employing edge-mounted photovoltaic modules. Systems using several different types of glazing system architecture and containing embedded diffractive structures are prepared and characterized. The technological approaches to the rapid manufacture of large-area diffractive elements suitable for use in solar window-type concentrators are described. These elements enable the internal deflection and partial trapping of light inside glass-based concentrator windows. We focus on uncovering the potential of pattern-transfer polymer-based soft lithography for enabling both the improved photon collection probability at solar cell surfaces, and the up-scaling of semitransparent solar window dimensions. Results of photovoltaic characterization of several solar concentrators employing different internal glazing-system structure and diffractive elements produced using different technologies are reported and discussed. View Full-Text
Keywords: solar windows; advanced glazings; diffractive elements; light trapping; photovoltaics solar windows; advanced glazings; diffractive elements; light trapping; photovoltaics
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Vasiliev, M.; Alameh, K.; Badshah, M.A.; Kim, S.-M.; Nur-E-Alam, M. Semi-Transparent Energy-Harvesting Solar Concentrator Windows Employing Infrared Transmission-Enhanced Glass and Large-Area Microstructured Diffractive Elements. Photonics 2018, 5, 25.

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