Laboratório de Biofotônica

Laboratório de Biofotônica

Laboratório de Biofotônica

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The Biophotonics Laboratory at the Physics Department of the Federal University of Minas Gerais (UFMG), Brazil! The Biophotonics Lab Group is directed by Professors Ana Maria de Paula and Leandro Malard Moreira.

Our research activities and interests encompass three major areas: (1) preparation and characterization of semiconductor quantum dots and metal nanoparticles for biological systems applications; (2) study of nonlinear optical effects in biological tissues and nanostructured materials; and (3) investigation of ultrafast dynamics of photoexcited carries in two-dimensional materials.

Instrumentation at the Biophotonics Lab includes pulsed Ti:sapphire laser oscillator (Chameleon, from Coherent); visible and infrared spectrometer (Andor, Shamrock); modified confocal laser-scanning microscope (Olympus FV300); setup for pump-probe experiments using optical and infrared wavelengths; among other things.

  • Symmetry-Dependent Exciton-Phonon Coupling in 2D and Bulk MoS2 Observed by Resonance Raman Scattering

    Bruno R. Carvalho, Leandro M. Malard, Juliana M. Alves, Cristiano Fantini, and Marcos A. Pimenta.Symmetry-Dependent Exciton-Phonon Coupling in 2D and Bulk MoS2 Observed by Resonance Raman Scattering. Physical Review Letters, v. 114, p. 136403, 2015.

  • Characterization of the Dynamics of Photoluminescence Degradation in Aqueous CdTe/CdS Core-Shell Quantum Dots

    C. G. Pankiewicz, P.-L. de Assis, P. E. Cabral Filho, C. R. Chaves, E. N. D. de Araújo, R. Paniago, P. S. S. Guimarães. Characterization of the Dynamics of Photoluminescence Degradation in Aqueous CdTe/CdS Core-Shell Quantum Dots. Journal of Fluorescence, v. 25, p. 1-7, 2015.

  • Crystal-oriented wrinkles with origami-type junctions in few-layer hexagonal boron nitride

    Camilla K. Oliveira, Egleidson F. A. Gomes, Mariana C. Prado, Thonimar V. Alencar, Regiane Nascimento, Leandro M. Malard, Ronaldo J. C. Batista, Alan B. de Oliveira, Helio Chacham, Ana M. de Paula, Bernardo R. A. Neves.Crystal-oriented wrinkles with origami-type junctions in few-layer hexagonal boron nitride. Nano Research v. 8, p. 1-9, 2015.

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