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Organized Assemblies of Single Wall Carbon Nanotubes and Porphyrin for Photochemical Solar Cells: Charge Injection from Excited Porphyrin into Single-Walled Carbon Nanotubes
Abstract
Photochemical solar cells have been constructed from organized assemblies of single-walled carbon nanotubes (SWCNT) and protonated porphyrin on nanostructured SnO2 electrodes. The protonated form of porphyrin (H4P2+) and SWCNT composites form 0.5-3.0 microm-sized rodlike structures and they can be assembled onto nanostructured SnO2 films [optically transparent electrode OTE/SnO2] by an electrophoretic deposition method. These organized assemblies are photoactive and absorb strongly in the entire visible region. The incident photon to photocurrent efficiency (IPCE) of OTE/SnO2/SWCNT-H4P2+ is approximately 13% at an applied potential of 0.2 V versus saturated calomel electrode. Femtosecond pump-probe spectroscopy experiments confirm the decay of the excited porphyrin in the SWCNT-H4P2+ assembly as it injects electrons into SWCNT. The dual role of SWCNT in promoting photoinduced charge separation and facilitating charge transport is presented.
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Cited by
Kongkanand, 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
Self-citationZhang, Y., & Antonietti, M. (2010) · Chemistry – An Asian Journal · doi:10.1002/asia.200900685 · Cited by 313
Photosensitizing porphyrin–triazine compound for bulk heterojunction solar cells
Luechai, A., Gasiorowski, J., Petsom, A., Neugebauer, H., Sariciftci, N. S., & Thamyongkit, P. (2012) · Journal of Materials Chemistry · doi:10.1039/c2jm33840h · Cited by 30
On the potential of porphyrin-spiked triarylamine stars for bulk heterojunction solar cells
Kengthanomma, T., Thamyongkit, P., Gasiorowski, J., Ramil, A. M., & Sariciftci, N. S. (2013) · Journal of Materials Chemistry A · doi:10.1039/c3ta11095h · Cited by 24
Reanprayoon, C., Gasiorowski, J., Sukwattanasinitt, M., Sariciftci, N. S., & Thamyongkit, P. (2014) · RSC Adv. · doi:10.1039/c3ra45373a · Cited by 19
Metadata
- Authors
- Hasobe, T., Fukuzumi, S., & Kamat, P. V.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2006-09-29
- Volume
- 110
- Issue
- 50
- Pages
- 25477-25484
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2088308014
- Cited by
- 184
- References
- 0
- FWCI
- 17.14
- Type
- journal article
- Language
- en
- Open access
- closed
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- Hasobe, T., Fukuzumi, S., & Kamat, P. V. (2006). Organized Assemblies of Single Wall Carbon Nanotubes and Porphyrin for Photochemical Solar Cells: Charge Injection from Excited Porphyrin into Single-Walled Carbon Nanotubes. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp064845u
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