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Light Trapping in Silicon Based Tandem Solar Cell: A Brief Review
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  • Journal title : Current Photovoltaic Research
  • Volume 4, Issue 1,  2016, pp.1-7
  • Publisher : Korea Photovoltaic Society
  • DOI : 10.21218/CPR.2016.4.1.001
 Title & Authors
Light Trapping in Silicon Based Tandem Solar Cell: A Brief Review
Iftiquar, Sk Md; Park, Hyeongsik; Dao, Vinh Ai; Pham, Duy Phong; Yi, Junsin;
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Among the various types of solar cells, silicon based two terminal tandem solar cell is one of the most popular one. It is designed to split the absorption of incident AM1.5 solar radiation among two of its component cells, thereby widening the wavelength range of external quantum efficiency (EQE) spectra of the device, in comparison to that of a single junction solar cell. In order to improve the EQE spectra further and raise short circuit current density () an optimization of the tradeoff between the top and bottom cell is needed. In an optimized cell structure, the and hence efficiency of the device can further be enhanced with the help of light trapping scheme. This can be achieved by texturing front and back surface as well as a back reflector of the device. In this brief review we highlight the development of light trapping in the silicon based tandem solar cell.
Amorphous silicon tandem solar cell;Light trapping;Surface texture;Back reflector;External quantum efficiency;Current density;
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