Browsing by Author "be1cb3f1-2121-4397-85d1-ea939437ebad"
Now showing items 1-9 of 9
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A cyclic and polymeric phosphazene as solid state template for the formation of RuO2 nanoparticles Díaz, C.; Valenzuela, M. L.; Spodine Spiridonova, Evgenia; Moreno, Y.; Peña, O. (2007)Pyrolysis of the organometallic polymer: {{[N=P(R1)] 0.8[N=P(OC6H4CH2CN[Ru]) 2]0.15[N=P((OC6H5)(OC 6H4CH2CN[Ru]]0.05}{Cl} 0.31} n , [Ru]=CpRu(PPh3)2, R 1 = O2C12H8 (1) as well of the cyclic specie {N3P3 (OC6H5) ...
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Díaz Valenzuela, Carlos; Valenzuela, M. L.; Bobadilla, D.; Laguna Bercero, M. A. (Springer, 2017)Bimetallic Au/Ag nanostructures have been included inside SiO2 by pyrolysis of the macromolecular complexes Chitosan center dot(MLn/M'Ln)(n)center dot SiO2 and PSP-4-PVP center dot(MLn/M'Ln)(n)center dot SiO2 with MLn = ...
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Díaz Valenzuela, Carlos; Valenzuela, M. L.; Cifuentes Vaca, O.; Segovia, Marjorie; Laguna Bercero, M. A. (Springer, 2020)ReO3 were prepared by thermal treatment of the macromolecular Chitosan center dot(ReCl3)(X) and PSP-4-PVP center dot(ReCl3)(X) precursors. The plasmon band in the visible region for the as obtained ReO3 from their visible ...
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Diaz, C.; Platoni, S.; Molina, A.; Valenzuela, M. L.; Geaney, H.; O'Dwyer, C. (American Scientific Publishers, 2014)© 2014 American Scientific Publishers.Solid-state sensor nanostructured materials (SnO2, ZnO and CeO2) have been prepared by pyrolysis of macromolecular complexes: PSP-co-4-PVP · (SnCl2)n, PSP-co-4-PVP · (ZnCl2)nand ...
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Díaz, C.; Valenzuela, M. L.; Cifuentes Vaca, O.; Segovia, M. (Springer, 2020)A mixture of a nanostructured Rh/RhO(2)phase was easily obtained by thermally treating the macromolecular Chitosan center dot(RhCl3)(x)precursor, while the Rh/Rh(2)O(3)phase was obtained by pyrolyzing PSP-4-PVP center ...
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Díaz Valenzuela, Carlos; Valenzuela, M. L.; García, C.; Campa, R. de la; Presa Soto, A. (Elsevier, 2017)We herein reports the solid-state synthesis of pure and doped lanthanide oxides by using polymeric materials (chitosan and polystyrene-co-poly(4-vinylpyridine), PS-co-P4VP) as a solid template. Lanthanide nanomaterials are ...
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Díaz Valenzuela, Carlos; Valenzuela, M. L.; Segovia, M.; Correa, K.; Campa, R. de la; Presa Soto, A. (Springer, 2018)Nanostructure luminescent ZnO and SnO2 materials are prepared by a two-step solid-state method based on the solution preparation of the macromolecular precursors ZnCl2 center dot Chitosan and SnCl2 center dot Chitosan ...
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Díaz Valenzuela, Carlos; Valenzuela, M.L.; Laguna Becerro, M.A.; Orera, A.; Bobadilla, D.; Abarca, S.; Peña, O. (Royal Soc Chemistry, 2017)The simple reaction of chitosan with metallic salts yields (chitosan) (MLn)(x), MLn = MnCl2, CoCl2, NiCl2, macromolecular complexes which, after a thermal treatment at 800 degrees C under air, give nanostructured Mn2O3, ...
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TiO2/SiO2 Composite for Efficient Protection of UVA and UVB Rays Through of a Solvent-Less Synthesis Allende, P.; Barrientos, L.; Orera, A.; Laguna-Bercero, M. A.; Salazar, N.; Valenzuela, M. L.; Diaz, C. (Springer New York LLC, 2019)In an effort to discover new inorganic UV absorbers, titania included into silica was prepared using a solvent-less solid state method involving the pyrolysis of the as prepared precursor Chitosan·(TiOSO4)/SiO2, as an ...