Enhanced Performance and Defect Analysis of MgZnO Based CIGS Solar Cell
A compact numerical evaluation and optimization for cadmium free CIGS solar cell has been done using device simulation software. Various factors affecting the solar cell's performance has been investigated for device optimization; more specifically optimization of device contact, buffer
and absorber layer. In this study, maximum efficiency of 20.8% has been achieved with performance parameter of 0.95 V for open circuit voltage (V
oc), 33.5 mA/cm2 short circuit current density (J
sc) and a fill factor of 84.7%. The role of surface
defect density has been also studied to analyze the performance of cell module. The optimization of device parameters outperforms most experimental devices by a large margin, indicating the huge potential for the improvement for conversion efficiency of CIGS solar cell.
Keywords: CIGS; CONVERSION EFFICIENCY; MGZNO; MODELING; SOLAR CELL
Document Type: Research Article
Publication date: 01 October 2016
- Journal of Nanoelectronics and Optoelectronics (JNO) is an international and cross-disciplinary peer reviewed journal to consolidate emerging experimental and theoretical research activities in the areas of nanoscale electronic and optoelectronic materials and devices into a single and unique reference source. JNO aims to facilitate the dissemination of interdisciplinary research results in the inter-related and converging fields of nanoelectronics and optoelectronics.
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