Bipolar phototransport in π-conjugated polymer /C60 composites
- 2 July 2001
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 79 (2), 197-199
- https://doi.org/10.1063/1.1383801
Abstract
Conjugated polymer/fullerene composite films that exhibit steady-state phototransport properties of a unipolar or bipolar photoconductor, depending on the relative concentration of the components, are described. The observed behavior of the composites, in which each component has its own percolation path but its carrier content is not high enough to quench the carriers in the other component, is shown to be due to the coupling of the recombination processes in the two components.Keywords
This publication has 26 references indexed in Scilit:
- Temperature Dependence of the Phototransport Properties in C60filmsFullerene Science and Technology, 1998
- Photoinduced charge transfer in conducting polymer C60 compositesThe Journal of Chemical Physics, 1997
- Thermal quenching of the minority-carrier lifetime in a-Si:HPhysical Review B, 1997
- Two Meyer-Neldel Rules in Porous SiliconPhysical Review Letters, 1997
- Polymerized KC60 investigated by scanning tunnelling microscopy (STM)Synthetic Metals, 1996
- Polymer Photovoltaic Cells: Enhanced Efficiencies via a Network of Internal Donor-Acceptor HeterojunctionsScience, 1995
- Persistent photoconductivity in poly(p-phenylenevinylene): Spectral response and slow relaxationPhysical Review B, 1993
- Photoconductivity of fullerene-doped polymersNature, 1992
- The Photocarrier Grating and Its Applications in the Study of A-Si:H Materials and DevicesMRS Proceedings, 1992
- dc and transient photoconductivity of poly(2-phenyl-1,4-phenylenevinylene)Physical Review B, 1991