Efficiency enhancement of solar cells by luminescent up-conversion of sunlight

T. Trupke; A. Shalav; B. S. Richards; P. Würfel; M. A. Green

doi:10.1016/j.solmat.2005.09.021

Efficiency enhancement of solar cells by luminescent up-conversion of sunlight

T. Trupke^*, A. Shalav, B. S. Richards, P. Würfel, M. A. Green

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

290 Citations (Scopus)

Abstract

Significant improvements in the efficiency of solar cells by combination with luminescent up- or down-converters have recently been predicted theoretically. Here, we extend the theoretical analysis of the limiting efficiency of the up-conversion (UC)-system to realistic Airmass spectra and analyse the spectral robustness of the UC-system. We also present initial experimental results from prototypes involving bifacial silicon solar cells with UC-phosphors attached to the rear surface, and discuss the possibility of realizing efficient UC with low-band-gap solar cells in combination with a light emitting diode.

Original language	English
Pages (from-to)	3327-3338
Number of pages	12
Journal	Solar Energy Materials and Solar Cells
Volume	90
Issue number	18-19
DOIs	https://doi.org/10.1016/j.solmat.2005.09.021
Publication status	Published - 23 Nov 2006
Externally published	Yes

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10.1016/j.solmat.2005.09.021

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title = "Efficiency enhancement of solar cells by luminescent up-conversion of sunlight",

abstract = "Significant improvements in the efficiency of solar cells by combination with luminescent up- or down-converters have recently been predicted theoretically. Here, we extend the theoretical analysis of the limiting efficiency of the up-conversion (UC)-system to realistic Airmass spectra and analyse the spectral robustness of the UC-system. We also present initial experimental results from prototypes involving bifacial silicon solar cells with UC-phosphors attached to the rear surface, and discuss the possibility of realizing efficient UC with low-band-gap solar cells in combination with a light emitting diode.",

keywords = "Limiting efficiency, Silicon solar cells, Up-conversion",

author = "T. Trupke and A. Shalav and Richards, {B. S.} and P. W{\"u}rfel and Green, {M. A.}",

year = "2006",

month = nov,

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doi = "10.1016/j.solmat.2005.09.021",

language = "English",

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TY - JOUR

T1 - Efficiency enhancement of solar cells by luminescent up-conversion of sunlight

AU - Trupke, T.

AU - Shalav, A.

AU - Richards, B. S.

AU - Würfel, P.

AU - Green, M. A.

PY - 2006/11/23

Y1 - 2006/11/23

N2 - Significant improvements in the efficiency of solar cells by combination with luminescent up- or down-converters have recently been predicted theoretically. Here, we extend the theoretical analysis of the limiting efficiency of the up-conversion (UC)-system to realistic Airmass spectra and analyse the spectral robustness of the UC-system. We also present initial experimental results from prototypes involving bifacial silicon solar cells with UC-phosphors attached to the rear surface, and discuss the possibility of realizing efficient UC with low-band-gap solar cells in combination with a light emitting diode.

AB - Significant improvements in the efficiency of solar cells by combination with luminescent up- or down-converters have recently been predicted theoretically. Here, we extend the theoretical analysis of the limiting efficiency of the up-conversion (UC)-system to realistic Airmass spectra and analyse the spectral robustness of the UC-system. We also present initial experimental results from prototypes involving bifacial silicon solar cells with UC-phosphors attached to the rear surface, and discuss the possibility of realizing efficient UC with low-band-gap solar cells in combination with a light emitting diode.

KW - Limiting efficiency

KW - Silicon solar cells

KW - Up-conversion

UR - http://www.scopus.com/inward/record.url?scp=33748308775&partnerID=8YFLogxK

U2 - 10.1016/j.solmat.2005.09.021

DO - 10.1016/j.solmat.2005.09.021

M3 - Article

SN - 0927-0248

VL - 90

SP - 3327

EP - 3338

JO - Solar Energy Materials and Solar Cells

JF - Solar Energy Materials and Solar Cells

IS - 18-19

ER -

Efficiency enhancement of solar cells by luminescent up-conversion of sunlight

Abstract

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