People

Dr. Osman Bakr

Osman Bakr, PhD

Principal Investigator
Functional Nanomaterials Laboratory (FuNL)
Associate Professor of Materials Science and Engineering

Research Interests

Physics and chemistry of nanomaterials; including the synthesis, size-separation, and assembly of organic and organic-inorganic hybrid nanomaterials of novel optical, electronic and magnetic properties that will become the future building-blocks for solar cells, batteries, photonic and optoelectronic devices.

Selected Publications

  • Long-lived charge-separated states in ligand-stabilized silver clusters
    M. Pelton, Y. Tang, O. M. Bakr and F. Stellacci
    J. Am. Chem. Soc.,  DOI: 10.1021/ja303682m
    , (2012) 

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  • Ag44(SR)304-: a silver–thiolate superatom complex
    K. M. Harkness, Y. Tang, A. Dass, J. Pan, N. Kothalawala, V. J. Reddy, D. E. Cliffel, B. Demeler, F. Stellacci, O. M. Bakr, J. A. McLean
    Nanoscale, 2012, 4, 4269,
    DOI: 10.1039/c2nr30773a, (2012)
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  • Colloidal quantum dot photovoltaics: the effect of polydispersity
    D. Zhitomirsky, I. J. Kramer, A. J. Labelle, A. Fischer, R. Debnath, J. Pan, O.M. Bakr, E. H. Sargent
    Nano letters  Vol.: 12,   Iss.: 2   P.: 1007-12, (2012)

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  • Solution-processed colloidal quantum dot photovoltaics: A perspective
    D. Ratan, O. M. Bakr and E. H. Sargent
    Energy & Environmental Science, DOI: 10.1039/c1ee02279b, (2011)
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  • Determination of nanoparticle size distribution together with density or molecular weight by 2D analytical ultracentrifugation
    R. P. Carney, J. Y. Kim, R. Jin, H. Mehenni,  F. Stellacci  O. M. and Bakr
    Nature Communications, 2 (1), (2011)
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  • Synthesis of novel bis (perfluorophenyl azides) coupling agents: Evaluation of their performance by crosslinking of poly (ethylene oxide)
    H. Mehenni, and O.M. Bakr
    Reactive and Functional Polymers, 71, (11), pp. 1110-1117, (2011
    )
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  • Optical limiting with complex plasmonic nanoparticles
    V. Liberman, M. Rothschild, O. M. Bakr and F. Stellacci
    Journal of Optics, 12, 065001, (2010)

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  • A Study of the Surface Plasmon Resonance of Silver Nanoparticles by the Discrete Dipole Approximation Method: Effect of Shape, Size, Structure, and Assembly
    V. Amendola, O. M. Bakr and F. Stellacci
    Plasmonics, 5 (1), 85-97, (2010)
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  • Silver nanoparticles with broad multi-band Linear optical Absorption
    O. M. Bakr, V. Amendola, C. M. Aikens, W. Wenseleers, R. Li, L. Dal Negro, G. C. Schatz and F. Stellacci
    Angewandte Chemie International Edition, 48, 5921, (2009)
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  • Chains of superparamagnetic nanoparticles
    K. Nakata, Y. Hu, O. Uzun, O. M. Bakr and F. Stellacci
    Advanced Materials, 20 (22), 4294-4299, (2008)
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  • Reversible aggregation of porphyrins in the solid state
    B. Long, O. M. Bakr and F. Stellacci
    Journal of Experimental Nanoscience, 3 (1), 53-60, (2008)
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  • High-yield synthesis of multi-branched urchin-like gold nanoparticles
    O. M. Bakr, B. H. Wunsch and F. Stellacci
    Chemistry of Materials 18, 3297-3301, (2006)
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Education

  • Ph.D., Applied Physics, Harvard University, USA, 2009
  • M.Sc., Applied Physics, Harvard University, USA, 2005
  • B.Sc., Materials Science and Engineering, Massachusetts Institute of Technology (MIT), USA, 2003

Professional Profile

  • 2010–present: Assistant Professor, Materials Science and Engineering, KAUST, Saudi Arabia
  • 2009–2010: Postdoctoral Fellow, Laboratory for Nanoscale Optics, Harvard University, USA
  • 2004–2009: Research Assistant, Supramolecular Nanomaterials Group, MIT, USA
  • 2000–2003: Research Assistant, Advanced Inorganic Materials Group, MIT, USA

Awards

King Abdullah Scholar Award, KAUST, Saudi Arabia, 2008