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Measurement of contact voltage drop and resistance in organic solar cells
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10.1063/1.4772203
/content/aip/journal/apl/101/25/10.1063/1.4772203
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/25/10.1063/1.4772203
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The J-V curves for as-cast and annealed devices. A distinct kink in the J-V response for the as-cast device can be seen in the fourth quadrant.

Image of FIG. 2.
FIG. 2.

Light intensity dependence of the photocurrent for as-cast (upper) and annealed (lower) devices. Neutral density filters with optical densities (OD) of 0.1, 0.3, 0.5, 0.8, 1.0, and 2.0 were employed to reduce illumination from simulated 1 sun conditions. The power law term, b, from Eq. (1) that was fit to the curves is included in the legend.

Image of FIG. 3.
FIG. 3.

Incident light power dependence of short circuit current density (Jsc) and a pre-factor term, α, from Eq. (2) for as-cast (upper) and annealed (lower) devices. The slope, S, of the linear fit (solid lines) to the experimental data is included.

Image of FIG. 4.
FIG. 4.

Voltage drop as a function of photocurrent density for different levels of illumination as determined by neutral density filters (optical density = 0.1, 0.3, 0.5, 0.8, 1.0, 2.0). The voltage drop was calculated as the difference between the expected photocurrent (as fit to data with Eq. (1)) and the experimental data. Normalized photocurrent-voltage curves showing a qualitative reduction of the fourth-quadrant kink with reduced illumination intensity (inset).

Image of FIG. 5.
FIG. 5.

Resistance calculated by dividing the voltage drop by the current for different levels of illumination. The dashed line represents the resistance at short circuit.

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/content/aip/journal/apl/101/25/10.1063/1.4772203
2012-12-21
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Measurement of contact voltage drop and resistance in organic solar cells
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/25/10.1063/1.4772203
10.1063/1.4772203
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