Nano Science and Technology Institute
Nanotech 2010 Vol. 3
Nanotech 2010 Vol. 3
Nanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy
 
Chapter 10: Photovoltaics, Solar, Lighting & Displays
 

Shape Effect on the Reflectance of Sub-Wavelength Structures on Silicon Nitride for Solar Cell Application

Authors:K.C. Sahoo, Y. Li, E.Y. Chang
Affilation:National Chiao Tung University, TW
Pages:737 - 740
Keywords:solar cell, sub-wavelength structure, rigorous coupled wave analysis
Abstract:Sub-wavelength structure (SWS) on anti-reflection coating instead of semiconductor surface can improve the efficiency of silicon solar cell has been studied both numerically and experimentally recently. The shape of the SWS may be somewhat variable and, therefore, a multilayer rigorous coupled-wave approach is advanced to investigate the reflection properties of silicon nitride (Si3N4) SWS for four different shaped SWS, assuming a hexagonal nipple lattice. In this study, we investigate the spectral reflectivity of silicon nitride (Si3N4) sub-wavelength structures (SWS) with different shapes. We vary the height of etched part “s” and the thickness of non-etched layer “h” for four different SWS structures (pyramid, parabola, cone, and cylinder) to examine the lowest effective reflectance.
ISBN:978-1-4398-3415-2
Pages:880
Hardcopy:$189.95
 
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