ФТП, 2004, том 38, выпуск 8
ФТП, 2004, том 38, выпуск 8
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Quantum dot solar concentrators
A.J.Chatten, K.W.J.Barnham, B.F.Buxton, N.J.Ekins-Daukes, M.A.Malik
Physics Department, Imperial College, London, SW7 2BW, U.K
Computer Science Department, U.C.L., London, WC1E 6BT, U.K
Toyota Technological Institute, Nagoya, 468-8511, Japan
Chemistry Department, University of Manchester, Manchester, M13 9PL, U.K
(Получена 9 февраля 2004 г. Принята к печати 11 февраля 2004 г.)
| The luminescent properties of core-shell quantum dots are being exploited in an unconventional solar concentrator which promises to reduce the cost of photovoltaic electricity. Luminescent solar collectors have advantages over geometric concentrators in that tracking is unnecessary and both direct and diffuse radiation can be collected. However, development has been limited by the performance of luminescent dyes. We present experimental and theoretical results with a novel concentrator in which the dyes are replaced by quantum dots. We have developed a self-consistent thermodynamic model for planar concentrators and find that this three-dimensional flux model shows excellent agreement with experiment. |
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