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Quantum Dot Sensitization of Organic−Inorganic Hybrid Solar Cells
Open accessAbstract
A high surface area pn-heterojunction between TiO 2 and an organic p-type charge transport material (spiro-OMeTAD) was sensitized to visible light using lead sulfide (PbS) quantum dots. PbS quantum dots were formed in situ on a nanocrystalline TiO 2 electrode using chemical bath deposition techniques. 1 The organic hole conductor was applied from solution to form the sensitized heterojunction. The structure of the quantum dots was analyzed using HRTEM technique. Ultrafast laser photolysis experiments suggested the initial charge separation to proceed in the subpicosecond time range. Transient absorption laser spectroscopy revealed that interfacial charge recombination of the initially formed charge carriers is much faster than in comparable dye-sensitized systems. 2,3 The sensitized heterojunction showed incident photon-to-electron conversion efficiencies (IPCE) of up to 45% and energy conversion efficiencies under simulated sunlight AM1.5 (10 mW/cm2) of 0.49%.
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Cited by
Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells
Kojima, A., Teshima, K., Shirai, Y., & Miyasaka, T. (2009) · Journal of the American Chemical Society · doi:10.1021/ja809598r · Cited by 23,090
Kim, H.-S., Lee, C.-R., Im, J.-H., Lee, K.-B., Moehl, T., Marchioro, A., Moon, S.-J., Humphry-Baker, R., Yum, J.-H., Moser, J. E., et al. (2012) · Scientific Reports · doi:10.1038/srep00591 · Cited by 8,092
Self-citationGrätzel, M. (2003) · Journal of Photochemistry and Photobiology C: Photochemistry Reviews · doi:10.1016/s1389-5567(03)00026-1 · Cited by 4,405
Self-citationSolar Energy Conversion by Dye-Sensitized Photovoltaic Cells
Grätzel, M. (2005) · Inorganic Chemistry · doi:10.1021/ic0508371 · Cited by 3,385
Self-citationKongkanand, A., Tvrdy, K., Takechi, K., Kuno, M., & Kamat, P. V. (2008) · Journal of the American Chemical Society · doi:10.1021/ja0782706 · Cited by 1,644
Metadata
- Authors
- Plass, R., Pelet, S., Krueger, J., Grätzel, M., & Bach, U.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2002-07-16
- Volume
- 106
- Issue
- 31
- Pages
- 7578-7580
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2059085708
- Cited by
- 749
- References
- 0
- FWCI
- 11.00
- Type
- journal article
- Language
- en
- Open access
- green
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- Plass, R., Pelet, S., Krueger, J., Grätzel, M., & Bach, U. (2002). Quantum Dot Sensitization of Organic−Inorganic Hybrid Solar Cells. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp020453l
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