Title :
Fabrication, Characterisation & Modelling of Quantum Dot Solar Concentrator Stacks
Author :
Farrell, Daniel J. ; Chatten, Amanda J. ; Buchtemann, Andreas ; Barnham, Keith W J
Author_Institution :
Dept. of Phys., Imperial Coll. London
Abstract :
Quantum dot solar concentrators (QDCs) have been fabricated by the incorporation of quantum dots into highly transparent polymer host materials. UV polymerisation techniques were found to reduce the quantum dot quantum efficiency in comparison with thermally polymerised samples. The sample plates were characterised using photocurrent techniques in individual and stacked configurations. Due to the increase in absorption, stacking the QDC plates results in a 16% increase in photocurrent. This configuration could also reduce thermalisation losses when coupled to solar cells with appropriate band gaps
Keywords :
energy gap; photoconductivity; polymerisation; polymers; semiconductor device models; semiconductor quantum dots; solar cells; solar energy concentrators; UV polymerisation; absorption; band gaps; photocurrent techniques; quantum dot quantum efficiency; quantum dot solar concentrator plates; quantum dot solar concentrator stack characterisation; quantum dot solar concentrator stack fabrication; quantum dot solar concentrator stack modelling; sample plates; solar cells; thermalisation losses; thermally polymerised samples; transparent polymer host materials; Absorption; Equations; Fabrication; Luminescence; Photonic band gap; Photovoltaic cells; Polymers; Quantum dots; Stacking; Thermodynamics;
Conference_Titel :
Photovoltaic Energy Conversion, Conference Record of the 2006 IEEE 4th World Conference on
Conference_Location :
Waikoloa, HI
Print_ISBN :
1-4244-0017-1
Electronic_ISBN :
1-4244-0017-1
DOI :
10.1109/WCPEC.2006.279421
