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Shape-Controlled Synthesis of Single-Crystalline Fe2O3 Hollow Nanocrystals and Their Tunable Optical Properties
Abstract
Single-crystalline α-Fe 2 O 3 hollow nanocrystals from nanotube to nanoring have been successfully synthesized by a facile hydrothermal method. Size and shape control of the hollow nanocrystals is achieved by simple adjustments of reactants’ concentration and molar ratio without any surfactant assistance. The steady absorption spectra indicate a size-dependent blue shift of these hollow nanocrystals. The femtosecond optically heterodyne optical Kerr effect measurements show that the sample that has the smallest diameter possesses the largest third-order nonlinear optical susceptibility. This is ascribed to the remarkably enhanced local electric field in the small particle in accord with finite-difference time-domain simulations. These results reveal that both size and shape of these hollow nanocrystals have significant contributions to their optical response.
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Cites
Shape control of CdSe nanocrystals
Peng, X., Manna, L., Yang, W., Wickham, J., Scher, E., Kadavanich, A., & Alivisatos, A. P. (2000) · Nature · doi:10.1038/35003535 · Cited by 4,487
Size-dependent structural transformations of hematite nanoparticles. 1. Phase transition
Chernyshova, I. V., Hochella Jr, M. F., & Madden, A. S. (2007) · Physical Chemistry Chemical Physics · doi:10.1039/b618790k · Cited by 463
Cited by
Sivula, K., Zboril, R., Le Formal, F., Robert, R., Weidenkaff, A., Tucek, J., Frydrych, J., & Grätzel, M. (2010) · Journal of the American Chemical Society · doi:10.1021/ja101564f · Cited by 937
A review on electromagnetic microwave absorption properties: their materials and performance
Elmahaishi, M. F., Azis, R. S., Ismail, I., & Muhammad, F. D. (2022) · Journal of Materials Research and Technology · doi:10.1016/j.jmrt.2022.07.140 · Cited by 513
Metadata
- Authors
- Fan, H. M., You, G. J., Li, Y., Zheng, Z., Tan, H. R., Shen, Z. X., Tang, S. H., & Feng, Y. P.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-05-07
- Volume
- 113
- Issue
- 22
- Pages
- 9928-9935
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W1989722007
- Cited by
- 158
- References
- 2
- FWCI
- 5.14
- Type
- journal article
- Language
- en
- Open access
- closed
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- Fan, H. M., You, G. J., Li, Y., Zheng, Z., Tan, H. R., Shen, Z. X., Tang, S. H., & Feng, Y. P. (2009). Shape-Controlled Synthesis of Single-Crystalline Fe2O3 Hollow Nanocrystals and Their Tunable Optical Properties. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp9020883
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