Abstract
The aim of this work is to investigate the effect of angle of incident light on the performance of silicon solar cell. In this regard, numerical calculations have been performed to obtain the reflectance for double layer antireflection coating (DLARC) of Si3N4 at various angles of incidence (i.e.0o,15o,30o,45o,and60o) using transfer matrix method. Reflectances obtained, are found to increases with increase in angle of incidence. Calculated reflectances have been further used in the PC1D simulator as external reflectance files to study the performance of silicon solar cell. As a result of the simulation, the conversion efficiency (and short circuit current) of solar cell is found to decrease by 1.7% (0.062 mA/cm2) with increase in angle of incidence from 0oto60o.
Highlights
Solar cell is a promising approach for terrestrial and space photovoltaic devices
When sunlight illuminate the front surface of solar cell, some part of light energy transmitted into the cell and get converted into electrical energy whereas some part reflects from the front surface
The reflectances calculated above using transfer matrix method (TMM) have been used in the PC1D simulator to study the effect of angle of incidence on the performance of the silicon solar cell
Summary
The main challenge regarding the performance of silicon solar cell is the reflection losses. In order to reduce the loss due to reflectance on silicon surface, different methods have been used. Surface texturing and anti-reflection coatings (ARC) are most widely used to reduce the loss due to reflection [1, 2, 3, 4, 5] (see Table 1). A set of well-designed antireflection coating (ARC) can reduce reflection from more than 30% (for bare silicon) down to less than 2% [5, 6]. Solar cells operate in wavelength ranging from 300 – 1200 nm. Many works have been reported on the antireflection coating with different materials such as SiNx/SiNx by R. Medhat et al [10]
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