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Power to the People - Part 4

This is part of a trainng course delivered by WEST project (www.westproject.org.uk) on SolarPV 'Buildings As Power Stations'. For more information or to register please visit: https://www.westproject.org.uk/content/solar-pv

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Power to the People - Part 4

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  1. QD films with emission values suited to CdS window layers (λem=525nm) have been doctor bladed onto glass slides. The concentration of QDs per film increases from H1 H9) • The transmission spectra have been measured both with, and without (direct) the use of an integrating sphere. These show that while the films are highly transmitting over longer wavelengths (%T > 85% for wavelengths >550nm) the light is highly scattered. • The scattering is supported by haze measurement Simon Hodgson, CSER/Glyndŵr University - Nov 2011

  2. Quantum-dot flourescent concentrators in polymer films – Simon Hodgson • Fluorescent down converters capture blue and UV light and re-emit in red where the collection efficiency is improved • High concentration of quantum dots causes light scatter at all wavelengths • Could we get a double gain of both improved blue capture and improved diffuse light capture?

  3. Preliminary device results on CMG Microglass Progress over 12 months in laboratory device efficiency for TF PV on flexible glass. A complete CdTe solar cell structure on 50 µm CMG deposited by MOCVD, showing gold back contacts.

  4. Future prospects • New cheaper and abundant materials • Go to higher efficiency TF PV 15-20% range • Hybrid devices combining organics and inorganics to expand wavelength range. • Flexible PV for BIPV applications • Solar electric modules in the future will become part of the fabric of a building – so you might not even recognise them!

  5. SPECIFIC • Aims to develop practical, functional coated materials on metal and glass for large-volume manufacture to produce, store and release energy at point of use.  • partnership involves leading university groups, including Imperial College, Bath, Bangor, Cardiff, Glyndŵrand Sheffield, and multi-nationals such as Tata Steel, BASF and NSG Pilkington. • These products will be suitable for both new and existing buildings, such as retail outlets and corporate office blocks, where metal and glass predominate.

  6. Contact us Email: rachael.rowlandsjones@glyndwr.ac.uk WEST@cf.ac.uk Twitter: @CSER_PV @LCRI_WEST Web: www.cser.org.uk www.westproject.org.uk

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