个人简介

B.Sc., Universidad de la Republica (Uruguay), 2001 M.Sc., Universidad de la Republica (Uruguay), 2004 Ph.D., Northwestern University, 2010 Postdoctoral Fellow, University of Southern California 2010-2014

研究领域

Synthesis and Structural Characterization of Functional Inorganic Solid State Materials and Nanomaterials

Our research interests and expertise focus on the synthesis and structural characterization of functional inorganic solid state materials and nanomaterials employed in optical energy conversion and data storage. Our goals are to synthesize new classes of functional materials and nanomaterials, to understand compositional control of structure-function relationships, and to enlarge the toolkit of synthetic and spectroscopic techniques that enable such understanding. We seek to achieve precise control over the stoichiometry, morphology, structure, and functionality of the materials we synthesize. Synthetic approaches employed in our group include, but are not restricted to, colloidal synthesis, solvothermal synthesis, thermal evaporation, and high-temperature solid state reactions. Once in hand, these materials are characterized using multiple and complementary analytical techniques to achieve a comprehensive description of composition-structure-function relationships. This information is critical to develop materials by design as it enables understanding of the effect of chemical composition on the behavior of functional chemical units. Characterization techniques include elemental analysis (ICP), thermogravimetric and calorimetric analysis (TGA/DSC), powder X-ray diffraction (Rietveld analysis), X-ray total scattering (pair distribution function analysis), X-ray absorption (XANES/EXAFS), electron microscopy (SEM/TEM), vibrational spectroscopy (Raman/IR), and UV-vis diffuse reflectance, and fluorescence spectroscopy (steady-state and time-resolved). Structural studies are an integral part of our research and systematically guide synthetic efforts.

近期论文

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Rabuffetti, F.A.; Culver, S.P.; Lee, J.S.; and Brutchey, R.L. "Local Structural Investigation of Eu3+-Doped BaTiO3 Nanocrystals". Nanoscale 2014, 6, 2909-2914. Rabuffetti, F.A.; Culver, S.P.; Suescun, L.; and Brutchey, R.L. "Structural Disorder in AMoO4 (A = Ca, Sr, Ba) Scheelite Nanocrystals". Inorganic Chemistry 2014, 53(2), 1056-1061 Rabuffetti, F.A. and Brutchey, R.L. "Local Structure of Ba1-xSrxTiO3 and BaTi1-yZryO3 Nanocrystals Probed by X-ray Absorption and X-ray Total Scattering". ACS Nano 2013, 7(12), 11435-11444. Rabuffetti, F.A. and Brutchey, R.L. "Structural Evolution of BaTiO3 Nanocrystals Synthesized at Room Temperature". Journal of the American Chemical Society 2012, 134(22), 9475-9487. Rabuffetti, F.A.; Lee, J.S.; and Brutchey, R.L. "Vapor Diffusion Sol-Gel Synthesis of Fluorescent Perovskite Oxide Nanocrystals". Advanced Materials 2012, 24(11), 1434-1438 Rabuffetti, F.A.; Stair, P.C.; and Poeppelmeier, K.R. "Synthesis-Dependent Surface Acidity and Structure of SrTiO3 Nanoparticles". Journal of Physical Chemistry C 2010, 114(25), 11056-11067.