Abstract
We have been developing noble metal nanoparticles and nanocomposites for large scale application to glass surfaces. The novel functionality of the nanocomposites is attributed to the properties of both the metal nanoparticles and host matrix. Here a single-process route to nanocomposite thin films by spray deposition technique has been investigated. Preformed gold nanoparticles have been incorporated into several different transition metal oxides (TiO2, SnO2, ZnO). The nanocomposite films showed intense coloration due to the surface plasmon resonance effects of gold nanoparticles embedded in the host matrix. The gold nanoparticles were found well embedded into the host metal oxides homogeneously. This film deposition method can easily be scaled up and is compatible with current industrial on-line processes.
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Acknowledgments
This work has been funded by the UK Technology Strategy Board. We thank Guillermo Benito, Troy Manning and Paolo Melgari for helpful discussion as well as Professor Patrick Grant of Materials Department, Oxford University for providing access to the spray equipment.
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Wang, W., Cassar, K., Sheard, S. et al. A Single-Step Route Towards Large-Scale Deposition of Nanocomposite Thin films Using Preformed Gold Nanoparticles. MRS Online Proceedings Library 1174, 13–18 (2009). https://doi.org/10.1557/PROC-1174-V09-32
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DOI: https://doi.org/10.1557/PROC-1174-V09-32