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CdSe Quantum Dot-Sensitized Solar Cells Exceeding Efficiency 1% at Full-Sun Intensity
Open accessAbstract
Colloidal cadmium selenide (CdSe) quantum dots (QDs) have been prepared and exploited as inorganic dyes to sensitize a large-band-gap TiO 2 layer for QD-sensitized solar cells. The optimized QD-sensitized solar cells exhibited an unprecedented incident photon-to-charge carrier generation efficiency of 36% and an overall conversion efficiency of over 1.7% at 0.1 sun and 1% at full sun intensity with a cobalt(II/III)-based redox system. The photovoltaic characteristics of CdSe QD-sensitized cells are compared with standard dye-sensitized solar cells, in which the former exhibited about half of the efficiency of the latter. From the kinetics of charge transfer monitored using transient spectroscopic and voltage decay measurements in the CdSe QD-sensitized cell, the regeneration yield of oxidized QDs was found to be close to almost unity, and the electron lifetime was longer in the CdSe QD-sensitized cell than in the dye-sensitized solar cell.
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Cites
A low-cost, high-efficiency solar cell based on dye-sensitized colloidal TiO2 films
O'Regan, B., & Grätzel, M. (1991) · Nature · doi:10.1038/353737a0 · Cited by 28,599
Self-citation
Cited by
Jun, H. K., Careem, M. A., & Arof, A. K. (2013) · Renewable and Sustainable Energy Reviews · doi:10.1016/j.rser.2013.01.030 · Cited by 373
PbS as a Highly Catalytic Counter Electrode for Polysulfide-Based Quantum Dot Solar Cells
Tachan, Z., Shalom, M., Hod, I., Rühle, S., Tirosh, S., & Zaban, A. (2011) · The Journal of Physical Chemistry C · doi:10.1021/jp112010m · Cited by 301
Research Direction toward Scalable, Stable, and High Efficiency Perovskite Solar Cells
Park, N. (2020) · Advanced Energy Materials · doi:10.1002/aenm.201903106 · Cited by 268
Metadata
- Authors
- Lee, H. J., Yum, J.-H., Leventis, H. C., Zakeeruddin, S. M., Haque, S. A., Chen, P., Seok, S. I., Grätzel, M., & Nazeeruddin, M. K.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-07
- Volume
- 112
- Issue
- 30
- Pages
- 11600-11608
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2088890202
- Cited by
- 356
- References
- 1
- FWCI
- 26.03
- Type
- journal article
- Language
- en
- Open access
- green
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- Lee, H. J., Yum, J.-H., Leventis, H. C., Zakeeruddin, S. M., Haque, S. A., Chen, P., Seok, S. I., Grätzel, M., & Nazeeruddin, M. K. (2008). CdSe Quantum Dot-Sensitized Solar Cells Exceeding Efficiency 1% at Full-Sun Intensity. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp802572b
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
