Journal
SOLAR ENERGY
Volume 126, Issue -, Pages 146-155Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2016.01.003
Keywords
Spectral losses; Photovoltaics; Luminescent materials; Plasmonic luminescent down-shifting layers
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Funding
- Irish Higher Education Authority under Strand 3 program (SEAR Project)
- European Research Council - Brussels - Belgium (PEDAL Project) [639760]
- European Research Council (ERC) [639760] Funding Source: European Research Council (ERC)
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Luminescent down-shifting (LDS) is a purely optical method to improve the short-wavelength response of photovoltaics by red shifting the incident solar spectrum. This work is the first to investigate plasmonic LDS (pLDS) layers applied to c-Si and DSSC solar cells. The addition of pLDS composite layers containing core shell quantum dots CdSe/ZnS was demonstrated to increase the short circuit current density (J(sc)) of c-Si and DSSC devices between 300 and 500 nm, where the QDs is most absorbing. Up to similar to 22% (relative) increase has been achieved for bath cells when compared with cells with no pLDS layers. External quantum efficiency measurements have shown significant enhancement where the solar cells have poor optical response, below 500 nm, while increased efficiency was confirmed with current voltage (I-V) measurements. (C) 2016 Elsevier Ltd. All rights reserved.
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