Thin film solar cells for indoor use

Author

Yang, P.C. ; Chan, I.M. ; Lin, C.H. ; Chang, Y.L.

Author_Institution

TF RD Dev. Div., AU Optronics Corp., Taichung, Taiwan

fYear

2011

fDate

19-24 June 2011

Abstract

The effect of low irradiance for thin film solar cells is investigated in this work. First, a-Si:H/CIGS/DSSC/OPV four kinds of thin film solar cells are fabricated and measured with the sun simulator (AM 1.5G, 100 mW/cm²). Then, the saturation current density J₀ is extracted from the Voc and Jsc. Spectral irradiance of the desk light, LED light, sun light at the windowsill and fluorescent lamp are used to calculate the electrical parameters of the solar cells in indoor lighting conditions. From the calculation, a-Si solar cell under the LED light achieves the highest cell efficiency of 17.68%. In real measurement, it is also demonstrated that the cell efficiency of a-Si solar cell can reach 15.2% under the irradiance of 1.1 mW/cm² LED light.

Keywords

amorphous semiconductors; copper compounds; current density; dyes; elemental semiconductors; fluorescent lamps; gallium compounds; hydrogen; indium compounds; indoor environment; light emitting diodes; silicon; solar cells; sunlight; ternary semiconductors; thin film devices; LED light; Si:H-CuIn_xGa_1-xSe₂; cell efficiency; desk light; electrical parameters; fluorescent lamp; indoor lighting conditions; indoor use; irradiance effect; saturation current density; spectral irradiance; sun light; sun simulator; thin film solar cells fabrication; windowsill; Decision support systems; Fluorescent lamps; Light emitting diodes; Materials; Photovoltaic cells; Sun;

fLanguage

English

Publisher

ieee

Conference_Titel

Photovoltaic Specialists Conference (PVSC), 2011 37th IEEE

Conference_Location

Seattle, WA

ISSN

0160-8371

Print_ISBN

978-1-4244-9966-3

Type

conf

DOI

10.1109/PVSC.2011.6186049

Filename

6186049