Advances in Materials Science and Engineering

Research Article

Study of Electrical Transport Properties of Thin Films Used as HTL and as Active Layer in Organic Solar Cells, through Impedance Spectroscopy Measurements

Table 3

Mobility of holes (in P3HT films) and electrons (in PCBM films) and mean mobility of carriers in the P3HT:PCBM blends, estimated from impedance measurements using ITO/HTL/active layer/Al structures.
HTL/active layer (cm2/Vs) (cm2/Vs) (cm2/Vs)
P3HT:PCBMP3HTPCBM
PEDOT:PSS6.5 × 10−53.6 × 10−51.0 × 10−7
CuPC3.4 × 10−62.6 × 10−72.3 × 10−3