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Near-band-edge optical responses of solution-processed organic–inorganic hybrid perovskite CH3NH3PbI3on mesoporous TiO2electrodes
Open accessAbstract
We studied the near-band-edge optical responses of solution-processed CH 3 NH 3 PbI 3 on mesoporous TiO 2 electrodes, which is utilized in mesoscopic heterojunction solar cells. Photoluminescence (PL) and PL excitation spectra peaks appear at 1.60 and 1.64 eV, respectively. The transient absorption spectrum shows a negative peak at 1.61 eV owing to photobleaching at the band-gap energy, indicating a direct band-gap semiconductor. On the basis of the temperature-dependent PL and diffuse reflectance spectra, we clarified that the absorption tail at room temperature is explained in terms of an Urbach tail and consistently determined the band-gap energy to be ∼1.61 eV at room temperature.
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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
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
Cited by
Interface energetics in organo-metal halide perovskite-based photovoltaic cells
Schulz, P., Edri, E., Kirmayer, S., Hodes, G., Cahen, D., & Kahn, A. (2014) · Energy & Environmental Science · doi:10.1039/c4ee00168k · Cited by 710
He, Y., & Galli, G. (2014) · Chemistry of Materials · doi:10.1021/cm5026766 · Cited by 359
Cegielski, P. J., Giesecke, A. L., Neutzner, S., Porschatis, C., Gandini, M., Schall, D., Perini, C. A. R., Bolten, J., Suckow, S., Kataria, S., et al. (2018) · Nano Letters · doi:10.1021/acs.nanolett.8b02811 · Cited by 132
Post-synthetic halide conversion and selective halogen capture in hybrid perovskites
Solis-Ibarra, D., Smith, I. C., & Karunadasa, H. I. (2015) · Chemical Science · doi:10.1039/c5sc01135c · Cited by 127
Metadata
- Authors
- Yamada, Y., Nakamura, T., Endo, M., Wakamiya, A., & Kanemitsu, Y.
- Venue
- Applied Physics Express
- Publisher
- IOP Publishing
- Published
- 2014-02-05
- Volume
- 7
- Issue
- 3
- Pages
- 032302
- ISSN
- 1882-0778 (ISSN-L)
- 1882-0786
- OpenAlex
- W2071805944
- Cited by
- 303
- References
- 2
- FWCI
- 24.41
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Yamada, Y., Nakamura, T., Endo, M., Wakamiya, A., & Kanemitsu, Y. (2014). Near-band-edge optical responses of solution-processed organic–inorganic hybrid perovskite CH3NH3PbI3on mesoporous TiO2electrodes. Applied Physics Express. https://doi.org/10.7567/apex.7.032302
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