Table 1 experimental J-V parameters of champion devices with three different HTMs.

From: Lithium doped poly(3-hexylthiophene) for efficient hole transporter and sensitizer in metal free quaterthiophene dye treated hybrid solar cells

HTM

\(J_{SC} \left( {{\text{mA/cm}}^{2} } \right)\)

\(V_{OC} \left( {\text{V}} \right)\)

\(FF\)

ɳ%

\(R_{s} \left( \Omega \right)\)

\(R_{sh} \left( {{\text{k}}\Omega } \right)\)

Pristine P3HT

2.47

0.87

0.48

1.04

2,332

44.25

doped Spiro-OMeTAD

6.43

0.75

0.68

3.31

248

27.79

doped P3HT

13.02

0.87

0.34

3.95

573

2.54

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