We demonstrate in this paper that two-dimensional (2-D) layered ceramics, materials that are highly anisotropic in terms of structure and properties can be used to induce the formation of polymer-covered metal nanorods. The procedure took advantage of the intrinsic planar, layered ordering of the metal cations suitable to be reduced and can be further used to engineer one-dimensional (1-D) metal alloy nanostructures by appropriate doping of the initial layered ceramic lattice with suitable cationic species. The procedure involved the formation in an intermediate step of a polymer-layered ceramic nanocomposite, highly porous to the diffusion of the reducing agent. Two structurally similar layered bismuthates, Bi2Sr2CaCu2O8+δ and Bi6Sr2CaO12 were used as the precursor layered ceramics and the redox-active metal cations were Cu2+ and Bi3+.
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This work was supported by the NSF Grant number 2611206150 and A.C.P., D.K.R. and J.T.M. greatly appreciate the financial contribution.
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Pavel, A.C., Romanovicz, D.K., Yacaman, M.J. et al. Two-Dimensional Crystalline Lattice Templating: A New Method for the Preparation of Polymer-Covered Metal and Alloyed Metal Nanorods by a Redox Process.. MRS Online Proceedings Library 847, 239–244 (2004). https://doi.org/10.1557/PROC-847-EE13.45