The DOI matches its Crossref record; 31 of the 31 references it cites were found in a registry or an index.
Hybrid Zinc Oxide Conjugated Polymer Bulk Heterojunction Solar Cells
Abstract
Bulk heterojunction photovoltaic devices based on blends of a conjugated polymer poly[2-methoxy-5-(3',7'-dimethyloctyloxy)-1,4-phenylenevinylene] (MDMO-PPV) as electron donor and crystalline ZnO nanoparticles (nc-ZnO) as electron acceptor have been studied. Composite nc-ZnO:MDMO-PPV films were cast from a common solvent mixture. Time-resolved pump-probe spectroscopy revealed that a photoinduced electron transfer from MDMO-PPV to nc-ZnO occurs in these blends on a sub-picosecond time scale and produces a long-lived (milliseconds) charge-separated state. The photovoltaic effect in devices, made by sandwiching the active nc-ZnO:MDMO-PPV layer between charge-selective electrodes, has been studied as a function of the ZnO concentration and the thickness of the layer. We also investigated changing the degree and type of mixing of the two components through the use of a surfactant for ZnO and by altering the size and shape of the nc-ZnO particles. Optimized devices have an estimated AM1.5 performance of 1.6% with incident photon to current conversion efficiencies up to 50%. Photoluminescence spectroscopy, atomic force microscopy, and transmission electron microscopy have been used to gain insight in the morphology of these blends.
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Metadata
- Authors
- Beek, W. J. E., Wienk, M. M., Kemerink, M., Yang, X., & Janssen, R. A. J.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-04-09
- Volume
- 109
- Issue
- 19
- Pages
- 9505-9516
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W1987319983
- Cited by
- 910
- References
- 31
- FWCI
- 30.83
- Type
- journal article
- Language
- en
- Open access
- closed
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