Abstract

The performance of organic dyes in PMMA has been evaluated in a three-layer planar luminescent solar concentrator. The single plate and combined three-plate efficiencies have been measured for a number of dyes, and results of one typical combination are reported here. A detailed characterization of the spectroscopic properties of the dye molecules as well as the device dependent and device independent parameters of the plates allow comparison between measured and predicted efficiency. Our results demonstrate the presence of a significant positive synergism for the multilayer device.

© 1982 Optical Society of America

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References

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  1. W. H. Weber, J. Lambe, Appl. Opt. 15, 2229 (1976).
    [CrossRef]
  2. J. S. Batchelder, A. H. Zewail, T. Cole, Appl. Opt. 20, 3733 (1981).
    [CrossRef] [PubMed]
  3. K. Heidler, Appl. Opt. 20, 773 (1981).
    [CrossRef] [PubMed]
  4. J. M. Drake, unpublished results.
  5. M. L. Lesiecki, J. M. Drake, Appl. Opt. 21, 557 (1982).
    [CrossRef] [PubMed]
  6. A. Goetzberger, K. Heidler, V. Wittwer, A. Zastrow, G. Baur, E. Sah, in Proceedings, Second E. C. Photovoltaic Solar Energy Conference, Berlin (1979), p. 515.
    [CrossRef]
  7. R. W. Olson, R. F. Loring, M. D. Fayer, Appl. Opt. 20, 2934 (1981).
    [CrossRef] [PubMed]
  8. J. S. Batchelder, A. H. Zewail, T. Cole, Appl. Opt. 18, 3090 (1979).
    [CrossRef] [PubMed]
  9. K. W. Boer, Sol. Energy 19, 525 (1977).
    [CrossRef]

1982 (1)

1981 (3)

1979 (1)

1977 (1)

K. W. Boer, Sol. Energy 19, 525 (1977).
[CrossRef]

1976 (1)

W. H. Weber, J. Lambe, Appl. Opt. 15, 2229 (1976).
[CrossRef]

Batchelder, J. S.

Baur, G.

A. Goetzberger, K. Heidler, V. Wittwer, A. Zastrow, G. Baur, E. Sah, in Proceedings, Second E. C. Photovoltaic Solar Energy Conference, Berlin (1979), p. 515.
[CrossRef]

Boer, K. W.

K. W. Boer, Sol. Energy 19, 525 (1977).
[CrossRef]

Cole, T.

Drake, J. M.

Fayer, M. D.

Goetzberger, A.

A. Goetzberger, K. Heidler, V. Wittwer, A. Zastrow, G. Baur, E. Sah, in Proceedings, Second E. C. Photovoltaic Solar Energy Conference, Berlin (1979), p. 515.
[CrossRef]

Heidler, K.

K. Heidler, Appl. Opt. 20, 773 (1981).
[CrossRef] [PubMed]

A. Goetzberger, K. Heidler, V. Wittwer, A. Zastrow, G. Baur, E. Sah, in Proceedings, Second E. C. Photovoltaic Solar Energy Conference, Berlin (1979), p. 515.
[CrossRef]

Lambe, J.

W. H. Weber, J. Lambe, Appl. Opt. 15, 2229 (1976).
[CrossRef]

Lesiecki, M. L.

Loring, R. F.

Olson, R. W.

Sah, E.

A. Goetzberger, K. Heidler, V. Wittwer, A. Zastrow, G. Baur, E. Sah, in Proceedings, Second E. C. Photovoltaic Solar Energy Conference, Berlin (1979), p. 515.
[CrossRef]

Weber, W. H.

W. H. Weber, J. Lambe, Appl. Opt. 15, 2229 (1976).
[CrossRef]

Wittwer, V.

A. Goetzberger, K. Heidler, V. Wittwer, A. Zastrow, G. Baur, E. Sah, in Proceedings, Second E. C. Photovoltaic Solar Energy Conference, Berlin (1979), p. 515.
[CrossRef]

Zastrow, A.

A. Goetzberger, K. Heidler, V. Wittwer, A. Zastrow, G. Baur, E. Sah, in Proceedings, Second E. C. Photovoltaic Solar Energy Conference, Berlin (1979), p. 515.
[CrossRef]

Zewail, A. H.

Appl. Opt. (6)

Sol. Energy (1)

K. W. Boer, Sol. Energy 19, 525 (1977).
[CrossRef]

Other (2)

J. M. Drake, unpublished results.

A. Goetzberger, K. Heidler, V. Wittwer, A. Zastrow, G. Baur, E. Sah, in Proceedings, Second E. C. Photovoltaic Solar Energy Conference, Berlin (1979), p. 515.
[CrossRef]

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Figures (5)

Fig. 1
Fig. 1

Diagram of the 4-in. collector, top and side views, showing output port/detector housing. The 12-in. device is identical except that the long dimension of the coupling port has been increased to maintain a view of 7% of the total edge area.

Fig. 2
Fig. 2

Normalized absorption and true emission spectra for C540A (1.5 × 10−4 M), DCM (6.2 × 10−5 M), and Rh640 (4.7 × 10−5 M) in PMMA.

Fig. 3
Fig. 3

Edge emission (EE) and front surface emission (FSE) for C540A, DCM, and Rh640.

Fig. 4
Fig. 4

(a) Solar input spectrum (quanta/sec) Richland solar noon, 860 W/m2; (b) C540A, DCM, Rh640 collector composite absorption; (c) C540A, DCM, Rh640 collector edge emission spectrum (quanta/sec).

Fig. 5
Fig. 5

Edge emission spectra for C540A, DCM, and Rh640 three-plate collector. (a) with and without edge mirrors; (b) inverted vs normal stacking order; (c) inverted order high-reflectivity (HR) vs low-reflectivity (LR) edge mirrors.

Tables (5)

Tables Icon

Table I Spectroscopic Features in PMMA

Tables Icon

Table II Fluorescence Properties of PMMA Plates a

Tables Icon

Table III Optical Conversion Efficiency a

Tables Icon

Table IV Collector Performance a

Tables Icon

Table V Fractional Solar Absorption Per Layer Per Pass

Equations (20)

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η edge = P out , edge P in ,
P out , port = E ( ν ) R ( ν ) d ν ,
η edge = L p L c E ( ν ) R ( ν ) d ν P in f e .
C edge = η edge A surface f abs A edge ,
C device = η device A surface f abs A port .
η device int = η device f abs ,
η edge int = η edge f abs .
η opt = ( 1 - R ) η trap η qua η Stok η abs η self η trans .
η opt , mult = S j i η i ,
ν abs = ν ( ν ) d ν ( ν ) d ν , ν emiss = ν E ( ν ) d ν E ( ν ) d ν ,
η dye = η qua η Stok η abs η self .
η Stok = ν emiss ν abs .
f A , f = ( ν ) E ( ν ) d ν ( ν ) d ν - E ( ν ) d ν .
P 0 = P ( ν ) E ( ν ) d ν E ( ν ) d ν .
P ( N ) = [ ( 1 - P 0 ) η qua · η trap ] N P 0 ,
η self = N = 0 N = P ( N ) , η self = P 0 1 - ( 1 - P 0 ) η qua η trap .
η edge 12 = 3.5 %             η edge 4 = 4.2 %             η opt = 5.7 % .
η edge int ( 4 ) = 36.5 %             η edge int ( 12 ) = 25.6 % .
S = η T f T i η i f i ,
η trap = 0.75 , η Stok = 0.80 , η self = 0.79 , η qua = 0.98 , η abs = 0.20 , η trans = 0.85.

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