Programa de Investigación en Ciencias de los Materiales

El Programa de Investigación en Ciencias de los Materiales (PICM), del Departamento de Química de la Facultad de Ciencias Naturales, Matemáticas y del Medio Ambiente. El programa presta soporte a las carreras de pregrado y programas de posgrado del área a través de la incorporación de estudiantes y graduados para el desarrollo de tesis de grado, trabajos de titulo, seminarios, unidades de investigación, tesis de título y grado y la obtención de títulos profesionales y grados académicos.

OBJETIVO

Realizar investigación en ciencias de los materiales para contribuir al fortalecimiento de la base científica de Chile, enfocada principalmente en la generación de contribuciones significativas al conocimiento y propender a la utilización de sus avances y resultados para favorecer el desarrollo de potenciales innovaciones tecnológicas en nuevos materiales.

LÍNEAS DE DESARROLLO PRINCIPALES

• Laboratorio de Polímeros
• Laboratorio de Materiales Nanoestructurados
• Laboratorio de Nanotecnología y Materiales avanzados

Laboratorio de Equipamiento con los siguientes equipos:
• Espectrofotómetro de Fluorescencia Perkin Elmer LS 55
• Espectrofotómetro de Infrarrojo Bruker IFS 25
• Espectrofotómetro de UV-Visible con Reflectancia Difusa Perkin Elmer Lambda 35
• Sistema Termo Gravimétrico Mettler Toledo TGA/DSC1 1100 SF
• SputterCoater 108 auto-cressington con monitor de espesor MTM-20
• LangmuirBlodgett LT-103 MicroTestMachines
• Elipsometro SE 400adv SENTECH InstrumentGmbH
• Refractometro de abbe AR4 A.KRÜSS OptronicGmbH
• Microscopio trinocular Trino ResearcherBresser
• Mercury lamp 300W Huneus
• Apex Arc Lamp Source 150W Xe Oriel
• Lamp 2x15W Vilbert
• Potenciostato/Galvanostato Autolab modelo PGSTAT 101
• Cromatografo de Gases Shimadzu GC 2014 Dual Inyector TCD y FID
• Standard contact angle goniometer/tensiometer Ramé-Hart 250 with DROPimage advanced software.
• Dynamic laser light scattering instrument (Nano ZS90, Malvern Instruments).

PROYECTOS

• 2015-2019 Programa de Financiamiento Basal para Centros de Excelencia CONYCYT FB0807 Centro de Nanociencia y Nanotecnología (CEDENNA). Investigador Asociado: Dra. Eglantina Benavente E. (www.cedenna.cl).
• 2015-2018 FONDECYT No 1151189 “Design, fabrication and applications of new heterostructured photocatalytic systems for degradation of pollutants and hydrogen generation” Investigador Responsible: Dra. Eglantina Benavente.
• 2013-2016 FONDECYT No 1131112“Single-Sheet Nanostructured Hybrid Semiconductors for Photocatalytic Processes. Co-investigador: Dra. Eglantina Benavente E.
• 2013-2014 DAAD EQUIPMENT GRANTS PROGRAMME “Formation and Design of a type of Porous Artificial Membrane using Diblock Copolymers Synthesized through ATRP and Biosensors based on interactions between lipid membranes, DPPC particularly, and other Polymers”. Deutscher Akademische Austauchsdienst (DAAD). Investigadores Responsables: Dra. Guadalupe Pizarro; Dra. Carmen González.
• 2012-2015 CONICYT N° 7912010031. PROGRAMA DE INSERCIÓN DE CAPITAL HUMANO AVANZADO EN LA ACADEMIA “Formación de membranas artificiales de bicapas fosfolipidicas soportadas en hidrogeles porosos fotopolimerizables con posibles aplicaciones en biosensores ópticos”. Directora del Proyecto: Dra. Guadalupe Pizarro. Investigadora Responsable: Dra. Carmen González Henríquez.
• 2012-2015 FONDECYT INICIACION N°11121281 Biomimetic phospholipid bilayer membranes on porous films or fibers of hydrogel scaffolds produced by photo-induced polymerization, for potential applications as optical bio-sensor. Investigado Responsable: Dra. Carmen González Henríquez.
• Marzo 2011-marzo 2015 PROYECTO FONDECYT N° 1110836 DIBLOCK COPOLYMERS BY ATOM TRANSFER RADICAL POLYMERIZATION (ATRP). SYNTHESIS OF INORGANIC NANOPARTICLES USING DIBLOCK COPOLYMERS AS NANOREACTORS.Investigador Responsable: Dra. Guadalupe del C Pizarro, Co-Investigador: Dr.Oscar G. Marambio P.
• 2011-2014 FONDECYT N°1110555 “Effect of the Reaction Atmospheres and Doped Ions on the Multiferroic Properties of Nanostructures” Co-investigador: Dra. Eglantina Benavente E.
• 2011-2014 FONDECYT N° 1111029 “Heterosupramolecular Semiconductors Functionalized with Metal Nanoparticles” Investigador Responsable: Dra. Eglantina Benavente E.

PUBLICACIONES ISI 2016

• A hybrid organic-inorganic layered TiO2 based nanocomposite for sunlight photocatalysis. E. Benavente, C.Maldonado, S. Devis, L.Diaz, H.Lozano, CM, Sotomayor-Torres, G. Gonzalez. RSC Advances 6 , 18538-18541(2016).
• Synthesis and photocatalytic activity of hybrid layered ZnO(myristic acid)/Ag nanoparticles. L. Díaz, S. Devis, CM. Sotomayor, G. González, E. Benavente. Materials Letters 181, 8–11(2016).
• Synthesis and characterization of aromatic poly(ether-imide)s based on bis(4-(3,4-dicarboxyphenoxy)phenyl)-R,R-silane anhydrides (R= Me, Ph) – Spontaneous formation of surface micropores from THF solutions. C. Terraza, L. Tagle, A. Tundidor-Camba, C. Gonzalez, M. Sarabia, D. Coll. RSC adv. 6, 49335-49347 (2016).
• Synthesis and thermal, optical and morphological characterization of oligomeric polyamides based on thiophene and alkyl/phenyl-silane moieties. study of the electrospun deposition process. C. Terraza, L. Tagle, A. Tundidor-Camba, C. Gonzalez, I. Jessop. Journal of Applied Polymer Science 43702, 1-9 (2016).
• Artificial biomembranes stabilized over spin coated hydrogel scaffolds. Crosslinking agent nature induces wrinkled or flat surfaces on the hydrogel. C. Gonzalez-Henriquez, G. Pizarro, E.Cordova, M. Saravia-Vallejos, C. Terraza. Chemistry and Physics of Lipids 96,13-23 (2016).
• Poly(ether-imide-amide)s obtained from bis[4-(4-aminophenoxy)phenyl] diphenylsilane and dicarboxylic acids derivatives of bis(3,4-dicarboxyphenyl)dimethylsilane anhydride combined with L-aminoacids C.Terraza, L. Tagle, D. Muñoz, A. Tundidor-Camba, P.Ortiz, D. Coll, C. González-Henríquez, I. Jessop. . Polym. Bull. 73, 1103-1117(2016).

PUBLICACIONES ISI 2015

• Thin and ordered hydrogel films deposited through electrospinning technique; a simple and efficient support for organic bilayers. C. González-Henríquez, G. Pizarro, M. Sarabia-Vallejos, C. Terraza. Biochim. Biophys Acta, 1848, 2126-2137(2015).
• Artificial biomembrane based on DPPC-investigation into phase transition and thermal behavior through ellipsometric tecniques. C. M. González-Henríquez, G. Pizarro, F. Droguett-Droguett, M. Sarabia-Vallejos. Biochim. Biophys Acta, 1848, 2295-2307 (2015).
• Electrospinning deposition of hydrogel fibers used as scaffold for biomembranes. Thermal stability of DPPC, corroborated by ellipsometry. C. González-Henríquez and M. Sarabia-Vallejos. Chemistry and Physics of Lipids 190, 51-60 (2015).
• An easy one-pot solvothermal synthesis of poorly crystalline solid ReS2/C microspheres. J.Aliaga, J. Araya, H.Lozano, E. Benavente, G. Alonso-Nuñez, G.Gonzalez. Materials Chemistry and Physics 151, 372-377 (2015)
• Effect of annealing and UV-radiation time over micropore architecture of self-assembled block copolymer thin film. Guadalupe del C. Pizarro*, Oscar G. Marambio, Manuel Jeria-Orell, Carmen M. González-Henríquez, Mauricio Sarabia-Vallejos and Kurt E. Geckeler. Express Polymer Letter 9(6) 525-535 (2015).

PUBLICACIONES ISI 2014

• Silarylene-containing poly(ether-amide)s obtained by Yamazaki-Higashi phosphorylation technique: use of bis(4-ainophenoxy)phenyl)ethylmethyl silane of bis(4-(aminophenoxy)phenyl)ethylmethyl silane. C.A. Terraza, L.H. Tagle, C. Contador, A. Tundidor-Camba, C.M. González-Henríquez. Polym. Bull. 71, 1101-1115 (2014).
• “Theoretical and Experimental Vibrational Spectroscopic Investigation of Two R1R2-Diphenylsilyl-Containing Monomers and Their Optically Active Derivative Polymer”. Carmen M. González Henriquez, Claudio A. Terraza, Mauricio Sarabia. The Journal of Physical Chemistry A 118, 1175-1184 (2014).
• “In situ silver nanoparticle formation embedded into a photopolymerized hydrogel with biocide properties” Carmen Mabel González Henríquez, Guadalupe del Carmen Pizarro Guerra, Mauricio Alejandro Sarabia Vallejos, Susana Dennis Rojas de la Fuente, María Teresa Ulloa Flores, Lina María Rivas Jimenez. Journal of Nanostructure in Chemistry 4(4), 119-132 (2014).

PUBLICACIONES ISI 2013

• “Fabrication of Copper Nanoparticles: Advances in Synthesis, Morphology Control, and Chemical Stability”. E. Benavente, H. Lozano and G. González. Recent Patents on Nanotechnology 7(2013)108-132.
• “Large directional conductivity change in chemically stable layered thin films of vanadium oxide and a 1D metal complex”. C. Glynn, D. Thompson, J. Paez, G. Collins, E. Benavente, V. Lavayen, N. Yutronic, J. D. Holmes, G. González and C. O’Dwyer. J. of Mater. Chem. C 1(2013) 5675-5684.
• “Electron Paramagnetic Resonance Study of Copper−2 Ethylenediamine Complex Ion Intercalated in Bentonite”. J.P. Donoso, C. Magon, J.F. Lima, O.R. Nascimento, E. Benavente, M. Moreno, G. Gonzalez. Journal Phys. Chem. C dx.doi.org/10.1021/jp408658d (2013)
• “Nanoreactors based on self-assembled amphiphilic diblock copolymers for the preparation of ZnO nanoparticles”. G. Pizarro, O. Marambio, C. González. M. Sarabia and K.Geckeler. Eur Polym J. 49 (2013) 3483-3491.
• “Hydrogels based on (dimethylamino)ethylacrylate (DMAEA) and N,N′-dimethylacrylamide (NNDMAAm): Synthesis, characterization, and swelling behaviour”. S.Pooley, B.Rivas, G.Pizarro.J. Chil. Chem. Soc. 58, (2013) 1597-1602.
• “Self-assembled nanostructures of amphiphilic diblock copolymers based on poly(2-hydroxyethyl methacrylate-block-N-phenylmaleimide) comparative study: Preparation, characterization, morphological and thermal properties”. G. Pizarro*, O. Marambio, M. Jeria-Orell, K. Geckeler. Polymer International 62 (2013) 1528-1538.
• “Synthesis of Functional Poly(Styrene)-block-(Methyl Metha crylate /Meth acrylic Acid) by Homogeneous Reverse Atom Transfer Radical Polymerization: Spherical Nanoparticles, Thermal Behavior, Self–Aggregation, and Morphological Properties”. G. Pizarro*, M. Jeria-Orell, O. Marambio, A. Olea, D.Valdes, K. Geckeler. Journal Applied Polymer Science 129 (2013) 2076-2085.