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Synthesis and Characterization of Monodisperse Core−Shell Colloidal Spheres of Zinc Sulfide and Silica
Abstract
We report on a new type of composite particles consisting of a zinc sulfide (ZnS) core and a silica (SiO 2 ) shell or vice versa. We developed and optimized these particles for photonic applications, because ZnS has a large refractive index and does not absorb light in the visible and both ZnS and SiO 2 can be easily doped with fluorophores. Both kinds of morphologies were created using a seeded growth procedure using monodisperse seeds on which homogeneous layers with a well-defined thickness were grown. Moreover, the ZnS and SiO 2 cores could be completely dissolved leaving SiO 2 and ZnS shells, respectively, filled with solvent or air after drying. The particle morphology was investigated by electron microscopy. The optical properties were studied by extinction measurements and angle resolved light scattering and compared to scattering theory.
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Citations
Cited by
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De, M., Ghosh, P. S., & Rotello, V. M. (2008) · Advanced Materials · doi:10.1002/adma.200703183 · Cited by 1,547
Ga2O3 and GaN Semiconductor Hollow Spheres
Sun, X., & Li, Y. (2004) · Angewandte Chemie International Edition · doi:10.1002/anie.200353212 · Cited by 531
Sun, X., Liu, J., & Li, Y. (2006) · Chemistry – A European Journal · doi:10.1002/chem.200500660 · Cited by 448
SiOH-Functionalized Polystyrene Latexes. A Step toward the Synthesis of Hollow Silica Nanoparticles
Tissot, I., Reymond, J. P., Lefebvre, F., & Bourgeat-Lami, E. (2002) · Chemistry of Materials · doi:10.1021/cm0112441 · Cited by 278
Wang, Y., Cai, L., & Xia, Y. (2005) · Advanced Materials · doi:10.1002/adma.200401416 · Cited by 277
Metadata
- Authors
- Velikov, K. P., & van Blaaderen, A.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2001-07-10
- Volume
- 17
- Issue
- 16
- Pages
- 4779-4786
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2080218911
- Cited by
- 324
- References
- 0
- FWCI
- 12.40
- Type
- journal article
- Language
- en
- Open access
- closed
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- Velikov, K. P., & van Blaaderen, A. (2001). Synthesis and Characterization of Monodisperse Core−Shell Colloidal Spheres of Zinc Sulfide and Silica. Langmuir. https://doi.org/10.1021/la0101548
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