중간 광전극에 삽입된 산란층에 의한 염료감응 태양전지의 광수집 성능 향상
Enhancement of the Light Harvesting of Dye-sensitized Solar Cell by Inserting Scattering Layer
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The effect of light scattering layers (400 ㎚ TiO2 particle) of 4 ㎛ thickness on the dye-sensitized solar cell has been investigated with a 12 ㎛ thickness of photo-anode (20 ㎚, TiO2 particle). Two different structures of scattering layers (separated and back) were applied to investigate the light transmitting behaviors and solar cell properties. The light transmittance and cell efficiency significantly improved with inserting scattering layers. The back scattering layer structure had more effective transmitting behavior, but separated scattering layer (center: 2 ㎛ , back: 2 ㎛ ) structure (9.83% of efficiency) showing higher efficiency (0.6%), short circuit current density (0.26 mA/㎠ and fill factor (0.02). The inserting separating two scattering layers improved the light harvesting, and relatively thin back scattering layer (2 ㎛ of thickness) minimized interruption of ion diffusion in liquid electrolyte.
Abstract
The effect of light scattering layers (400 ㎚ TiO2 particle) of 4 ㎛ thickness on the dye-sensitized solar cell has been investigated with a 12 ㎛ thickness of photo-anode (20 ㎚, TiO2 particle). Two different structures of scattering layers (separated and back) were applied to investigate the light transmitting behaviors and solar cell properties. The light transmittance and cell efficiency significantly improved with inserting scattering layers. The back scattering layer structure had more effective transmitting behavior, but separated scattering layer (center: 2 ㎛ , back: 2 ㎛ ) structure (9.83% of efficiency) showing higher efficiency (0.6%), short circuit current density (0.26 mA/㎠ and fill factor (0.02). The inserting separating two scattering layers improved the light harvesting, and relatively thin back scattering layer (2 ㎛ of thickness) minimized interruption of ion diffusion in liquid electrolyte.
참고문헌 (10)
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