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Intense Internal and External Fluorescence as Solar Cells Approach the Shockley-Queisser Efficiency Limit
Shockley-Queisser Solar Cells
2011/8/31
Absorbed sunlight in a solar cell produces electrons and holes. But, at the open circuit condition, the carriers have no place to go. They build up in density and, ideally, they emit external fluoresc...
Admittance and Impedance Spectroscopy on Cu(In,Ga)Se2 Solar Cells
CIGS Solar cell Admittance spectroscopy Impedance spectroscopy and Equivalent circuit
2010/4/12
The present work reports some experimental results on the electrical properties of high efficiency ZnO/CdS/Cu(In,Ga)Se2 heterojunction solar cells. Admittance spectroscopy has been employed for charac...
Effects of the Back Reflector on the Optical Enhancement Factor and Quantum Efficiency of a-Si:H p-i-n Solar Cells
amorphous (a-) Si:H p-i-n solar cells back reflectors light trapping quantum efficiency
2010/4/13
The effect of tin oxide (SnO2) texture and back reflector (BR) on optical enhancement factor has been extensively investigated in a series of 4 a-Si:H p-i-n solar cells. The internal quantum efficienc...