2013 |
Diaz, C; Valenzuela, M L; Caceres, S; O'dwyer, C Solution and Surfactant-Free Growth of Supported High Index Facet Sers Active Nanoparticles of Rhenium by Phase Demixing Artículo de revista Journal of Materials Chemistry A, 1 (5), pp. 1566-1572, 2013, ISSN: 2050-7488. Resumen | Enlaces | BibTeX | Etiquetas: excitation gold graphene, morphology, nanocatalysts, nanocrystals, nanoparticles, precursors @article{RN144, title = {Solution and Surfactant-Free Growth of Supported High Index Facet Sers Active Nanoparticles of Rhenium by Phase Demixing}, author = { C. Diaz and M.L. Valenzuela and S. Caceres and C. O'dwyer}, url = {/brokenurl#<Go to ISI>://WOS:000314640100008}, doi = {10.1039/c2ta00262k}, issn = {2050-7488}, year = {2013}, date = {2013-01-01}, journal = {Journal of Materials Chemistry A}, volume = {1}, number = {5}, pages = {1566-1572}, abstract = {Stable, high-index facet Re nanoparticles have been grown by a solid state synthetic method, negating the need for solutions or surfactants to control seeding, supracrystallization and NP shape. By using mixtures of K[ReO4] and the cyclic triphosphazene [NP(O2C12H8)](3), high-index facet nanoparticles and nanocrystals similar to 3 nm in size can be seeded and grown from drop-cast films and powders due to phase demixing of the metallopolymer. NP dispersions are formed directly within a carbon support that liquefies, allowing NP coarsening and ripening, and the eventual formation of a solidified graphitic support filled with crystals. Successful growth of mesoscale supracrystals of Re also occurs from ripening of nucleated NP seeds, incubated within a solidified and partially dewetted solid support that patterns the surface. The supported Re NP dispersions also exhibit surface enhanced Raman scattering within a graphitic matrix.}, keywords = {excitation gold graphene, morphology, nanocatalysts, nanocrystals, nanoparticles, precursors}, pubstate = {published}, tppubtype = {article} } Stable, high-index facet Re nanoparticles have been grown by a solid state synthetic method, negating the need for solutions or surfactants to control seeding, supracrystallization and NP shape. By using mixtures of K[ReO4] and the cyclic triphosphazene [NP(O2C12H8)](3), high-index facet nanoparticles and nanocrystals similar to 3 nm in size can be seeded and grown from drop-cast films and powders due to phase demixing of the metallopolymer. NP dispersions are formed directly within a carbon support that liquefies, allowing NP coarsening and ripening, and the eventual formation of a solidified graphitic support filled with crystals. Successful growth of mesoscale supracrystals of Re also occurs from ripening of nucleated NP seeds, incubated within a solidified and partially dewetted solid support that patterns the surface. The supported Re NP dispersions also exhibit surface enhanced Raman scattering within a graphitic matrix. |
2013 |
Solution and Surfactant-Free Growth of Supported High Index Facet Sers Active Nanoparticles of Rhenium by Phase Demixing Artículo de revista Journal of Materials Chemistry A, 1 (5), pp. 1566-1572, 2013, ISSN: 2050-7488. |