1. Date of download: 10/18/2017
Copyright © ASME. All rights reserved.
From: Optical and Electronic Simulation of Silicon/Germanium Tandem Four Terminal Solar Cells
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
(a) Theoretical conversion efficiencies based on Shockley and Queisser limit and (b) two junction (mechanical stack) solar cells under AM 1.5 solar spectrum

2. Date of download: 10/18/2017
Copyright © ASME. All rights reserved.
From: Optical and Electronic Simulation of Silicon/Germanium Tandem Four Terminal Solar Cells
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Illustration of the proposed Si/Ge tandem solar cell

3. Date of download: 10/18/2017
Copyright © ASME. All rights reserved.
From: Optical and Electronic Simulation of Silicon/Germanium Tandem Four Terminal Solar Cells
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Illustration of the modeled silicon solar cells. On the left is the HIT and on the right is the bifacial solar cell architecture.

4. Date of download: 10/18/2017
Copyright © ASME. All rights reserved.
From: Optical and Electronic Simulation of Silicon/Germanium Tandem Four Terminal Solar Cells
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Illustration of the modeled germanium solar cell

5. Date of download: 10/18/2017
Copyright © ASME. All rights reserved.
From: Optical and Electronic Simulation of Silicon/Germanium Tandem Four Terminal Solar Cells
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Extinction coefficient of the materials used in the tandem device

6. Date of download: 10/18/2017
Copyright © ASME. All rights reserved.
From: Optical and Electronic Simulation of Silicon/Germanium Tandem Four Terminal Solar Cells
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Refractive index of the materials used in the tandem device

7. Date of download: 10/18/2017
Copyright © ASME. All rights reserved.
From: Optical and Electronic Simulation of Silicon/Germanium Tandem Four Terminal Solar Cells
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Optical loss due to various layers in the top cell before the light gets absorbed by the silicon layer

8. Date of download: 10/18/2017
Copyright © ASME. All rights reserved.
From: Optical and Electronic Simulation of Silicon/Germanium Tandem Four Terminal Solar Cells
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Light spectrum incident on the tandem device, absorbed by silicon cell and light incident on germanium cell

9. Date of download: 10/18/2017
Copyright © ASME. All rights reserved.
From: Optical and Electronic Simulation of Silicon/Germanium Tandem Four Terminal Solar Cells
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Optical loss due to various layers in the bottom cell before the light gets absorbed by the germanium layer

10. Date of download: 10/18/2017
Copyright © ASME. All rights reserved.
From: Optical and Electronic Simulation of Silicon/Germanium Tandem Four Terminal Solar Cells
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Illustration of the light intensity available at silicon and germanium surfaces and the various optical losses in the device

11. Date of download: 10/18/2017
Copyright © ASME. All rights reserved.
From: Optical and Electronic Simulation of Silicon/Germanium Tandem Four Terminal Solar Cells
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Simulated and theoretical maximum current-voltage curves for silicon solar cells

12. Date of download: 10/18/2017
Copyright © ASME. All rights reserved.
From: Optical and Electronic Simulation of Silicon/Germanium Tandem Four Terminal Solar Cells
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
External quantum efficiency of simulated silicon and germanium solar cells

13. Date of download: 10/18/2017
Copyright © ASME. All rights reserved.
From: Optical and Electronic Simulation of Silicon/Germanium Tandem Four Terminal Solar Cells
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Simulated and theoretical maximum current-voltage curves for germanium solar cells