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Assembly of Magnetically Tunable Photonic Crystals in Nonpolar Solvents
Abstract
We have successfully assembled superparamagnetic colloids into ordered structures with magnetically tunable photonic properties in nonpolar solvents by establishing long-range electrostatic repulsive forces using charge control agents. Reverse micelles resulted from the introduction of charge control agents such as AOT molecules can enhance the charge separation on the surfaces of n-octadecyltrimethoxysilane modified Fe(3)O(4)@SiO(2) particles. The significantly improved long-range electrostatic repulsion can counterbalance the magnetically induced attraction and therefore allow ordering of superparamagnetic colloids in nonpolar solvents. This system possesses a fast and fully reversible optical response to the external magnetic fields, long-term stability in performance, and good diffraction intensity.
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Citations
Cited by
Magnetic Assembly Route to Colloidal Responsive Photonic Nanostructures
He, L., Wang, M., Ge, J., & Yin, Y. (2012) · Accounts of Chemical Research · doi:10.1021/ar200276t · Cited by 375
Self-citationMagnetochromatic Microspheres: Rotating Photonic Crystals
Ge, J., Lee, H., He, L., Kim, J., Lu, Z., Kim, H., Goebl, J., Kwon, S., & Yin, Y. (2009) · Journal of the American Chemical Society · doi:10.1021/ja903626h · Cited by 261
Self-citation3D Network Magnetophotonic Crystals Fabricated on Morpho Butterfly Wing Templates
Peng, W., Zhu, S., Wang, W., Zhang, W., Gu, J., Hu, X., Zhang, D., & Chen, Z. (2012) · Advanced Functional Materials · doi:10.1002/adfm.201103032 · Cited by 95
Metadata
- Authors
- Ge, J., He, L., Goebl, J., & Yin, Y.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-02-23
- Volume
- 131
- Issue
- 10
- Pages
- 3484-3486
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W4237131637
- Cited by
- 183
- References
- 0
- FWCI
- 9.85
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ge, J., He, L., Goebl, J., & Yin, Y. (2009). Assembly of Magnetically Tunable Photonic Crystals in Nonpolar Solvents. Journal of the American Chemical Society. https://doi.org/10.1021/ja809772v
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