Photovoltaic Characteristics of Low-density Concentration GaAs Solar Cells with/without Anti-reflective Coating
- Photovoltaic Characteristics of Low-density Concentration GaAs Solar Cells with/without Anti-reflective Coating
- 김종수; Jeong-Woo Choe[Jeong-Woo Choe]; Jin Soo Kim[Jin Soo Kim]; Jae Su Yu[Jae Su Yu]; Sam Kyu Noh[Sam Kyu Noh]
- Solar cell; GaAs; Low-density concentration; Conversion efficiency
- Issue Date
- 한국진공학회지, v.23, no.1, pp.27 - 33
- We have studied photovoltaic characteristics of single-junction GaAs solar cells with/withoutan MgF2/ZnS anti-reflective coating (ARC) illuminated by low-density concentration (＜10suns). By the ARC deposition, the short-circuit current density (JSC) and the fill factor (FF)are increased by 5 mA/cm2 and 5% at a standard illumination (1 sun), respectively, and theresulted conversion efficiency is enhanced by 45%. In contrast with the cell with no ARCshowing a rapid degradation with increasing concentration power, the efficiency ofARC-deposited cell remains almost constant as (17.7±0.3)% regardless of the concentration.
It informs that ARC treatment is very effective in GaAs concentrator solar cells.
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