Influence of series resistance on the photocurrent analysis of organic solar cells

The series resistance of a bulk heterojunction solar cell diode affects the measurement of the voltage dependence of the diode photocurrent, P(V). A model for the effect is described and shows that P(V) can be significantly modified, particularly at high bias voltages. Experimental measurements on PCDTBT/PCBM solar cells with added series resistance demonstrate the effect and confirm the model. The model provides a method to correct the data using measured quantities.

Citation

Street, R. A.; Song, K. W.; Cowan, S. Influence of series resistance on the photocurrent analysis of organic solar cells. Organic Electronics. 2011 February; 12 (2): 244-248.