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Nanostructured TiO2/CH3NH3PbI3 heterojunction solar cells employing spiro-OMeTAD/Co-complex as hole-transporting material
Open accessAbstract
For using 2,2′,7,7′-tetrakis(N,N′-di-p-methoxyphenylamine)-9,9′-spirobifluorene (spiro-OMeTAD) as a hole conductor in solar cells, it is necessary to improve its charge-transport properties through electrochemical doping. With the aim of fabricating efficient mesoscopic TiO2/CH3NH3PbI3 heterojunction solar cells, we used tris[2-(1H-pyrazol-1-yl)-4-tert-butylpyridine)cobalt(III) tris(bis(trifluoromethylsulfonyl) imide)] (FK209) as a p-dopant for spiro-OMeTAD. The mixture of spiro-OMeTAD, FK209, lithium bis(trifluoromethylsulfonyl)imide (Li-TFSI), and 4-tert-butylpyridine (TBP) exhibited significantly higher performance than mixtures of pristine spiro-OMeTAD, spiro-OMeTAD, and FK209, and spiro-OMeTAD, Li-TFSI, and TBP. Such a synergistic effect between the Co-complex and Li-TFSI in conjunction with spiro-OMeTAD effectively improved the power conversion efficiency (PCE) of the fabricated solar cells. As a result, we achieved PCE of 10.4%, measured under standard solar conditions (AM 1.5G, 100 mW cm−2).
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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
Self-citationKim, 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
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Perovskite as Light Harvester: A Game Changer in Photovoltaics
Kazim, S., Nazeeruddin, M. K., Grätzel, M., & Ahmad, S. (2014) · Angewandte Chemie International Edition · doi:10.1002/anie.201308719 · Cited by 962
Self-citationOrganolead Halide Perovskite: New Horizons in Solar Cell Research
Kim, H.-S., Im, S. H., & Park, N.-G. (2014) · The Journal of Physical Chemistry C · doi:10.1021/jp409025w · Cited by 722
Lee, B., Stoumpos, C. C., Zhou, N., Hao, F., Malliakas, C., Yeh, C.-Y., Marks, T. J., Kanatzidis, M. G., & Chang, R. P. H. (2014) · Journal of the American Chemical Society · doi:10.1021/ja508464w · Cited by 721
Beneficial Effects of PbI2 Incorporated in Organo‐Lead Halide Perovskite Solar Cells
Kim, Y. C., Jeon, N. J., Noh, J. H., Yang, W. S., Seo, J., Yun, J. S., Ho‐Baillie, A., Huang, S., Green, M. A., Seidel, J., et al. (2016) · Advanced Energy Materials · doi:10.1002/aenm.201502104 · Cited by 462
Self-citationHawash, Z., Ono, L. K., & Qi, Y. (2018) · Advanced Materials Interfaces · doi:10.1002/admi.201700623 · Cited by 455
Metadata
- Authors
- Noh, J. H., Jeon, N. J., Choi, Y. C., Nazeeruddin, M. K., Grätzel, M., & Seok, S. I.
- Venue
- Journal of Materials Chemistry A
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2013
- Volume
- 1
- Issue
- 38
- Pages
- 11842
- ISSN
- 2050-7488 (ISSN-L)
- 2050-7496
- OpenAlex
- W1964153139
- Cited by
- 341
- References
- 2
- FWCI
- 22.57
- Type
- journal article
- Language
- en
- Open access
- green
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- Noh, J. H., Jeon, N. J., Choi, Y. C., Nazeeruddin, M. K., Grätzel, M., & Seok, S. I. (2013). Nanostructured TiO2/CH3NH3PbI3 heterojunction solar cells employing spiro-OMeTAD/Co-complex as hole-transporting material. Journal of Materials Chemistry A. https://doi.org/10.1039/c3ta12681a
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