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Facile preparation of porous NiTiO3 nanorods with enhanced visible-light-driven photocatalytic performance
Abstract
Porous NiTiO3 nanorods have been successfully synthesized by an ethylene glycol-mediated route at room temperature followed by calcination at 600 °C in air. Characterisation results reveal that the obtained NiTiO3 nanorods are 3 μm in length and 400 nm in diameter. They possess rough surfaces and accumulation holes, which are beneficial for adsorption and thereby superior for photocatalysis. The porous NiTiO3 nanorods possess a noticeable optical absorbance in the visible range, indicating they have visible light photoresponse. The photocatalytic activity is evaluated in the degradation of nitrobenzene, which is a highly toxic organic pollutant in wastewaters. The porous NiTiO3 nanorods exhibit better photocatalytic activity under visible light irradiation than that of NiTiO3 nanoparticles and commercial TiO2 (Degussa P25). The enhancement is attributed to the porous texture, which offers more active sites and facilitates mass transport, and the special 1D structure that favors the separation of photogenerated electron–hole pairs, which is confirmed by surface photovoltage spectra.
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Cites
Growth of nanowire superlattice structures for nanoscale photonics and electronics
Gudiksen, M. S., Lauhon, L. J., Wang, J., Smith, D. C., & Lieber, C. M. (2002) · Nature · doi:10.1038/415617a · Cited by 2,709
Cited by
Selected perovskite oxides: Characterization, preparation and photocatalytic properties—A review
Grabowska, E. (2016) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2015.12.035 · Cited by 684
A Review on Visible Light Active Perovskite-Based Photocatalysts
Kanhere, P., & Chen, Z. (2014) · Molecules · doi:10.3390/molecules191219995 · Cited by 620
Ye, R., Fang, H., Zheng, Y.-Z., Li, N., Wang, Y., & Tao, X. (2016) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.6b01850 · Cited by 420
Strategies for improving the efficiency of semiconductor metal oxide photocatalysis
Djurišić, A. B., Leung, Y. H., & Ching Ng, A. M. (2014) · Materials Horizons · doi:10.1039/c4mh00031e · Cited by 379
Recent development in graphitic carbon nitride based photocatalysis for hydrogen generation
Nasir, M. S., Yang, G., Ayub, I., Wang, S., Wang, L., Wang, X., Yan, W., Peng, S., & Ramakarishna, S. (2019) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2019.117855 · Cited by 351
Metadata
- Authors
- Qu, Y., Zhou, W., Ren, Z., Du, S., Meng, X., Tian, G., Pan, K., Wang, G., & Fu, H.
- Venue
- Journal of Materials Chemistry
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2012
- Volume
- 22
- Issue
- 32
- Pages
- 16471
- ISSN
- 0959-9428 (ISSN-L)
- 1364-5501
- OpenAlex
- W2004519190
- Cited by
- 214
- References
- 1
- FWCI
- 4.37
- Type
- journal article
- Language
- en
- Open access
- closed
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