Performance of Space GaInP/(In)GaAs/Ge Triple-Junction Solar Cell Containing Bragg Reflector

Dayan Ma; Nuofu Chen; Quanli Tao; Hongyu Zhao; Hu Liu; Yiming Bai; Jikun Chen

doi:10.3788/AOS201737.1131001

Journals >Acta Optica Sinica >Volume 37 >Issue 11 >Page 1131001 > Article

Acta Optica Sinica
Vol. 37, Issue 11, 1131001 (2017)

Performance of Space GaInP/(In)GaAs/Ge Triple-Junction Solar Cell Containing Bragg Reflector

Dayan Ma¹, Nuofu Chen^1、*, Quanli Tao¹, Hongyu Zhao², Hu Liu^1、3, Yiming Bai¹, and Jikun Chen⁴

Author Affiliations

¹ School of Renewable Energy Sources, North China Electric Power University, Beijing 102206, China

² Beijing Guowang Fuda Science and Technology Development Co. Ltd., Beijing 100070, China

³ Department of Mathematics and Physics, Shijiazhuang Tiedao University, Shijiazhuang, HeBei 0 50043, China

⁴ School of Materials Science and Engineering, University of Science and Technology, Beijing 100083, China

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DOI: 10.3788/AOS201737.1131001 Cite this Article Set citation alerts

Dayan Ma, Nuofu Chen, Quanli Tao, Hongyu Zhao, Hu Liu, Yiming Bai, Jikun Chen. Performance of Space GaInP/(In)GaAs/Ge Triple-Junction Solar Cell Containing Bragg Reflector[J]. Acta Optica Sinica, 2017, 37(11): 1131001 Copy Citation Text

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Fig. 1. Relationship between reflectivity and wavelength for different pairs of DBR

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Fig. 2. Simulated and measured reflectance spectra of epitaxial structures with 15-pair and 20-pair DBR

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Fig. 3. (a) Original cell structural A; (b) cell structure B with DBR

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Fig. 4. Contour plots of theoretical conversion efficiency as a function of thickness of top and middle cells. (a) Original cell structure A; (b) cell structural with DBR

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Fig. 5. Spectral response of original cell A under different thicknesses of top and middle cells

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Fig. 6. Spectral response of new cell B under different thicknesses of top and middle cells

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Condition	Parameter	$\begin{matrix} {t_{2}}_{} \end{matrix}$ /μm
		2.93 (t₁=0.60 μm)		2.00 (t₁=0.61 μm)		1.60 (t₁=0.59 μm)		1.20 (t₁=0.53 μm)
		Champion	Average	Champion	Average	Champion	Average	Champion	Average
Before irradiation	J_sc/mA	4.300	4.265	4.325	4.308	4.263	4.230	4.175	4.141
	V_oc/V	2.687	2.675	2.699	2.692	2.712	2.689	2.721	2.710
	η /%	29.41	29.11	29.37	29.02	29.06	28.80	28.38	28.10
After irradiation	J_sc/mA	4.021	4.000	4.130	4.105	4.114	4.090	4.033	3.990
	V_oc/V	2.445	2.430	2.452	2.441	2.462	2.450	2.473	2.461
	η /%	24.41	24.11	24.89	24.66	24.87	24.59	24.26	24.05
Remainingfactor	J_sc/mA	93.5	-	95.5	-	96.5	-	96.6	-
	V_oc/V	91.0	-	90.9	-	90.8	-	90.9	-
	η /%	83.0	-	84.7	-	85.6	-	85.5	-

Table 1. Performance comparison of two cells before and after electron irradiation

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