Nano Science and Technology Institute
Nanotech 2011 Vol. 1
Nanotech 2011 Vol. 1
Nanotechnology 2011: Advanced Materials, CNTs, Particles, Films and Composites
 
Chapter 6: Polymer & Soft Nanotechnology
 

Using liquid crystals to improve the performance of luminescent solar concentrator

Authors:M. Debije
Affilation:Eindhoven University of Technology, NL
Pages:584 - 587
Keywords:liquid crystals, luminescent solar concentrators
Abstract:The luminescent solar concentrator (LSC) has been proposed as a cost-effective solution to bring electricity generation from sunlight into the built environment. The basic LSC design consists of a plastic plate containing or topped by a thin layer of fluorescent dyes. The dyes absorb sunlight and re-emit it at a longer wavelength. A fraction of this light is trapped by total internal reflection and becomes concentrated along the edges of the waveguide, where one can place small photovoltaic cells to convert the emitted light into electrical current. With its flexibility in color, shape, and size, it would appear ideally suited for exploitation by the architect for use in façades and other structures in the urban surroundings. However, limitations in performance have hindered widespread adoption of the devices. In this work I present modifications to the standard LSC using liquid crystals to assist in collecting, directing, and controlling both the incoming and emitted light in the device, as well as describing additional features to allow on-demand adjustment of transparency.
ISBN:978-1-4398-7142-3
Pages:882
Hardcopy:$199.95
 
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