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Effect of Native Defects on Photocatalytic Properties of ZnO
Abstract
We have studied the photocatalytic activity of ZnO tetrapods, ZnO powder, and different ZnO nanoparticles. While nanoparticles with small particle size exhibited higher Brunauer–Emmett–Teller (BET) surface area, tetrapods exhibited significantly higher photocatalytic activity for degradation of different dyes. Degradation of four different dyes has been achieved for at least 5 times shorter time for tetrapods compared to nanoparticles (20 nm average particle size). Different ZnO samples have been characterized by variable-temperature photoluminescence and time-resolved photoluminescence measurements, and the relationship between optical properties, native defects, production of the reactive oxygen species, and photocatalytic dye degradation has been discussed.
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Cited by
Laser-Ablated ZnO Nanoparticles and Their Photocatalytic Activity toward Organic Pollutants
Mintcheva, N., Aljulaih, A. A., Wunderlich, W., Kulinich, S. A., & Iwamori, S. (2018) · Materials · doi:10.3390/ma11071127 · Cited by 115
Metadata
- Authors
- Guo, M. Y., Ng, A. M. C., Liu, F., Djurišić, A. B., Chan, W. K., Su, H., & Wong, K. S.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-05-13
- Volume
- 115
- Issue
- 22
- Pages
- 11095-11101
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2003839961
- Cited by
- 270
- References
- 0
- FWCI
- 8.54
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Guo, M. Y., Ng, A. M. C., Liu, F., Djurišić, A. B., Chan, W. K., Su, H., & Wong, K. S. (2011). Effect of Native Defects on Photocatalytic Properties of ZnO. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp200926u
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