Numerical simulations of cathodoluminescence measurements in thin-film solar cells

2019 ◽  
Author(s):  
Wyatt K. Metzger ◽  
John Moseley ◽  
Harvey L. Guthrey ◽  
Mowafak Al-Jassim
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Numerical Simulations ◽  
Thin Film Solar Cells

scholarly journals Phototransistor Behavior in CIGS Solar Cells and the Effect of the Back Contact Barrier

Energies ◽  
2020 ◽  
Vol 13 (18) ◽  
pp. 4753
Author(s):  
Ricardo Vidal Lorbada ◽  
Thomas Walter ◽  
David Fuertes Marrón ◽  
Dennis Muecke ◽  
Tetiana Lavrenko ◽  
...  
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Numerical Simulations ◽  
Forward Bias ◽  
Thin Film Solar Cells ◽  
Normal Operation ◽  
Back Contact ◽  
Operation Conditions ◽  
Contact Barrier ◽  
The Impact

In this paper, the impact of the back contact barrier on the performance of Cu (In, Ga) Se2 solar cells is addressed. This effect is clearly visible at lower temperatures, but it also influences the fundamental parameters of a solar cell, such as open-circuit voltage, fill factor and the efficiency at normal operation conditions. A phototransistor model was proposed in previous works and could satisfactorily explain specific effects associated with the back contact barrier, such as the dependence of the saturated current in the forward bias on the illumination level. The effect of this contribution is also studied in this research in the context of metastable parameter drift, typical for Cu (In, Ga) Se2 thin-film solar cells, as a consequence of different bias or light soaking treatments under high-temperature conditions. The impact of the back contact barrier on Cu (In, Ga) Se2 thin-film solar cells is analyzed based on experimental measurements as well as numerical simulations with Technology Computer-Aided Design (TCAD). A barrier-lowering model for the molybdenum/Cu (In, Ga) Se2 Schottky interface was proposed to reach a better agreement between the simulations and the experimental results. Thus, in this work, the phototransistor behavior is discussed further in the context of metastabilities supported by numerical simulations.

Quantifying Trap-assisted Recombination in Thin Film Solar Cells from Intensity Dependent Photocurrent Measurements

2019 ◽  
Author(s):  
Stefan Zeiske ◽  
Oskar Sandberg ◽  
Nasim Zarrabi ◽  
Paul Meredith ◽  
Ardalan Armin
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Thin Film Solar Cells

Recent Progress in Design of Plasmonic Thin-Film Solar Cells with Enhanced Efficiency

2012 ◽  
Vol 5 (2) ◽  
pp. 166-172 ◽  
Author(s):  
Lifang Si ◽  
Teng Qiu ◽  
Wenjun Zhang ◽  
Paul K. Chu
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Recent Progress ◽  
Thin Film Solar Cells

Electrical Properties of RF Sputtered CdTe/CdS Thin Film Solar Cells

2009 ◽  
Vol 2 (1) ◽  
pp. 110-112 ◽  
Author(s):  
Sheeja Krishnan ◽  
Ganesh Sanjeev ◽  
Manjunatha Pattabi ◽  
X. Mathew
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Electrical Properties ◽  
Thin Film Solar Cells ◽  
Cds Thin Film
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