Los Alamos National Laboratory
Nanotechnology and Advanced Spectroscopy Team

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Lazaro A. Padilha

Lazaro Padilha

Phone: 505-665-1323
Email: padilha@lanl.gov

Education

  • 2006 - PhD in Physics, Universidade Estadual de Campinas, Campinas, Sao Paulo, Brazil
  • 2001 - BS in Physics, Universidade Estadual de Campinas, Campinas, Sao Paulo, Brazil

Professional Career

  • 2010 - present : Postdoctoral Research Associate, Los Alamos National Laboratory
  • 2008 - 2010: Research Scientist, CREOL - University of Central Florida
  • 2006 - 2008: Postdoctoral Associate, CREOL - University of Central Florida

Previous research

  • My previous research experience was in ultrafast dynamics and nonlinear optical properties of organic and inorganic nanomaterials.

Current Research

  • Currently I am interested on ultrafast dynamics and optical properties of semiconductor quantum dots.

Awards

  • 2006: IEEE - LEOS Graduate Student Fellowship
  • 2005: Incubic Milton Chang Student Grant
  • 2004: Elsevier Student Travel Award
  • 2004: Incubic Milton Chang Student Grant

Selected publications

  • J. T. Stewart, L. A. Padilha, M. M. Qazilbash, J. M. Pietryga, A. G. Midgett, J. M. Luther, M. C. Beard, A. J. Nozik and V. I. Klimov. “Comparison of carrier multiplication yields in PbS and PbSe nanocrystals: The role of competing energy-los processes.” Accepted for publication in Nano Letters.
  • G. Nootz, L.A. Padilha, P.D. Olszak, S. Webster, D.J. Hagan, E.W. Van Stryland, L. Levina, V. Sukhovatkin, L. Brzozowski, and E.H. Sargent, “The role of symmetry breaking on the optical transitions in Lead-Salt Quantum Dots”, Nano Lett., to be published (2010).
  • L.A. Padilha, S. Webster S, O.V. Przhonska, H.H. Hu, D. Peceli, T.R. Ensley, M.V. Bondar, A.O. Gerasov, Y.P. Kovtun, M.P. Shandura, A.D. Kachkovski, D.J. Hagan DJ, E.W. Van Stryland, “Efficient Two-Photon Absorbing Acceptor-pi-Acceptor Polymethine Dyes”, J. Phys. Chem. A 114, 6493-6501 (2010).
  • L.A. Padilha, S. Webster, O.V. Przhonska, H. Hu, D. Peceli, J.L. Rosch, M.V. Bondar, A.O. Gerasov, Y.P. Kovtun, M.P. Shandura, A.D. Kachkovski, D.J. Hagan, and E.W. Van Stryland, “Nonlinear absorption in a series of  Donor-p-Acceptor cyanines with different conjugation lengths”, J. Mater. Chem. 19, 7503 - 7513 (2009). INVITED
  • M. Balu, L.A. Padilha, D.J. Hagan, E.W. Van Stryland, S. Yao, K. Belfield, S. Zheng, S. Barlow, and S. Marder, “Broadband Z-scan characterization using a high-spectral-irradiance, high-quality supercontinuum”, J. Opt. Soc. Am. B 25 (2), 159 - 165 (2008).
  • L.A. Padilha, J. Fu, D.J. Hagan, E.W. Van Stryland, C.L. Cesar, L.C. Barbosa, C.H.B. Cruz, D. Buso and A. Martucci, “Frequency degenerate and nondegenerate two-photon absorption spectra of semiconductor quantum dots”, Phys. Rev. B. 75, 075325-1 - 075325-8 (2007).
  • S.J. Chung, S.J. Zheng, T. Odani, L. Beverina, J. Fu, L.A. Padilha, A. Biesso, J.M. Hales, X. Zhan, K. Schmidt, A. Ye, E. Zojer, S. Barlow, D.J. Hagan, E. W. Van Stryland, Y. Yi, Z. Shuai, G.A. Pagani, J.L. Bredas, J.W. Perry, and S.R. Marder, “Extended Squaraine Dyes with Large Two-Photon Absorption Cross-Sections”, J. Am. Chem. Soc. 128, 14444-14445 (2006).
  • L.A. Padilha, J. Fu, D.J. Hagan, E.W. Van Stryland, C.L. Cesar, L.C. Barbosa, and C.H.B. Cruz, “Two-photon absorption in CdTe quantum dots”, Opt. Exp. 13 (17), 6460-6467 (2005).

August 2010

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