People
Dr. Osman Bakr

Dr. Osman Bakr

Associate Professor of Material 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

The recombination mechanisms leading to amplified spontaneous emission at the true-green wavelength in CH3NH3PbBr3 perovskites
D. Priante, I. Dursun, M. S. Alias, D. Shi, V. A. Melnikov, T. K. Ng, O. F. Mohammed, O. M. Bakr, and B. S. Ooi

Applied Physics Letters, 2015

Low trap-state density and long carrier diffusion in organolead trihalide perovskite single crystals
D. Shi, V. Adinolfi, R. Comin, M. Yuan, E. Alarousu, A.Buin, Y. Chen, S. Hoogland, A. Rothenberger, K. Katsiev, Y. Losovyj, X. Zhang, P. A. Dowben, O. F. Mohammed, E. H. Sargent, O. M. Bakr

Science, 2015

A Au/Cu 2 O–TiO 2 system for photo-catalytic hydrogen production. A pn-junction effect or a simple case of in situ reduction?
L. Sinatra, A. P. LaGrow, W. Peng, A. R. Kirmani, A. Amassian, H. Idriss, O. M. Bakr

Journal of Catalysis, 2015

Direct Femtosecond Observation of Charge Carrier Recombination in Ternary Semiconductor Nanocrystals: The Effect of Composition and Shelling
R. Bose, G. H. Ahmed, E. Alarousu, M. R Parida, A. L. Abdelhady, O. M. Bakr, O. F. Mohammed

The Journal of Physical Chemistry C, 2015

A Layer‐by‐Layer ZnO Nanoparticle–PbS Quantum Dot Self‐Assembly Platform for Ultrafast Interfacial Electron Injection​
M. Eita, A. Usman, A. O. El‐Ballouli, E. Alarousu, O. M. Bakr, O. F. Mohammed
Small (2015)​
 
The Complete In-Gap Electronic Structure of Colloidal Quantum Dot Solids and Its Correlation with Electronic Transport and Photovoltaic Performance
K. Katsiev, A. H. Ip, A. Fischer, I. Tanabe, X. Zhang, A. R. Kirmani, O. Voznyy, L. R. Rollny, K. W. Chou, S. M. Thon, G. H. Carey, X.u Cui, A. Amassian, P. Dowben, E. H. Sargent, O. M. Bakr
Advanced Materials, (2013)

 
Automated Synthesis of Photovoltaic-Quality Colloidal Quantum Dots Using Separate Nucleation and Growth Stages
J. Pan, A. O. El-Ballouli, L. Rollny, O. Voznyy, V. M. Burlakov, A. Goriely, E. H. Sargent, O. M. Bakr
ACS Nano, Article ASAP, (2013)


A scalable synthesis of highly stable and water dispersible Ag44(SR)30 nanoclusters
L. G. AbdulHalim, S. Ashraf, K. Katsiev, A. R. Kirmani, N. Kothalawala, D. H. Anjum, S. Abbas, A. Amassian, F. Stellacci, A. Dass, I. Hussain, O. M. Bakr
J. Mater. Chem. A,1, 10148-10154, (2013)


Coexistence of plasmonic and magnetic properties in Au89Fe11 nanoalloys
V. Amendola, M. Meneghetti, O. M. Bakr, P. Riello, S. Polizzi, D. H. Anjum, S. Fiameni, P. Arosio, T. Orlando, C. J. Fernandez, F. Pineider, C. Sangregorioj, A. Lascialfarifg
Nanoscale, 2013,5, 5611-5619, (2013)

 
Directly Deposited Quantum Dot Solids Using a Colloidally Stable Nanoparticle Ink
A. Fischer, L. Rollny, J. Pan, G. H. Carey, S. M. Thon, S. Hoogland, O. Voznyy, D. Zhitomirsky, J. Y. Kim, O. M. Bakr, E. H. Sargent
Advanced Materials, Volume 25, Issue 40, pages 5742–5749, (2013)

    Education Profile

    • 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

    • June 2015-present: Associate Professor, Materials Science and Engineering, KAUST, Saudi Arabia
    • 2010–June 2015: 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