3D photonic crystal intermediate reflectors for enhanced light-trapping in tandem solar cells

The concept of 3D photonic crystals embedded in tandem solar cells as intermediate reflective layers is investigated. Numerical as well as experimental results will be presented.

Rear Side Diffractive Gratings for Silicon Wafer Solar Cells

Three-dimensional photonic crystal intermediate reflectors for enhanced light-trapping in tandem solar cells

A three-dimensional photonic crystal intermediate reflector for enhanced light trapping in tandem solar cells is presented. The intermediate reflector consists of a transparent and conductive ZnO:Al inverted opal sandwiched in between the top amorphous silicon and bottom microcrystalline silicon cell.

Photonic crystal intermediate reflector in micromorph tandem solar cells

Experimental and numerical evidences are presented which show that the efficiency of silicon based tandem solar-cells can be increased by incorporating a three-dimensional photonic crystal as an intermediate reflector.