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Maël Brossard

Professor: Pavlos Lagoudakis

Dr Mael Brossard obtained his PhD in hybrid photonics for energy efficiency from the University of Southampton under the supervision of Prof. Pavlos Lagoudakis. His main scientific contribution to the photovoltaics field was to introduce low-cost colloidal QDs into thin-film PVs. This work led to the filling of a patent on hybrid solar cells in 2014 and to two Advanced Material journals published in 2015. He also has significant experience in the field of hybrid LEDs, where he collaborated with NCTU in Taiwan to develop state-of-the-art hybrid photonic quasi crystal devices. Dr Brossard has a cumulative impact factor >30 from journal publications. He presented his work through invited talks at international conferences in Asia, Europe and North America. After a postdoctoral contract in Southampton University, he designed the new Hybrid Photonics Labs in Skoltech and handle equipment procurement. In 2016, he finally moved to Skoltech to become the lab manager of the Hybrid Photonics Labs.

Mael developed great expertise in cleanroom fabrication, developing complex nano-photonic devices such as photonic crystals which required a variety of fabrication methods such as lithography (electron-beam and optical) and other processing techniques (ALD, ICP, PECVD). He is skilled in the art of optical testing and is capable to setup and perform complex time resolved optical experiments as required for time-resolved spectroscopy.

Hybrid Photonics: nanophotonic architecture of energy efficient LEDs and PVs

  • P. Andreakou, M. Brossard, C. Li, P. G. Lagoudakis, M. Bernechea, G. Konstantatos, “ Spectroscopic evidence of resonance energy transfer mechanism from PbS QDs to bulk silicon”, EPJ Web of Science 54, 01017 (2013)
  • P. Andreakou, M. Brossard, C. Li, M. Bernechea, G. Konstantatos, P. G. Lagoudakis, Pavlos, “Size- and Temperature-Dependent Carrier Dynamics in Oleic Acid Capped PbS Quantum Dots”, Journal of Physical Chemistry C 117, p.1887 (2013)
  • M. Brossard, C.-Y. Hong, M. Hung, P. Yu, M. D. B. Charlton, P. G. Savvidis, P. G. Lagoudakis, “Highly Efficient Flexible Hybrid Nanocrystal-Cu(In,Ga)Se2 (CIGS) Solar Cells”, Advanced Optical Materials, DOI: 10.1002/adom.201400356 (2014)
  • Y.-K. Liao, M. Brossard, D.-H. Hsieh, T.-N. Lin, M. D. B. Charlton, S.-J. Cheng, C.-H. Chen, J.-L. Shen, L.-T. Cheng, T.-P. Hsieh, F.-I Lai, S.-Y. Kuo, H.-C. Kuo, P. G. Savvidis, P. G. Lagoudakis, “10.9% relative efficiency enhancement in hybrid flexible nanocrystal-CIGS solar cells”, Advanced Energy Materials, DOI: 10.1002/aenm.201401280 (2014)
  • M. Charlton, M. Brossard, P. G. Lagoudakis, “High efficiency solar cell: circumventing heat loss in the window layers”, United Kingdom patent, Filed (2014)
  • M. Brossard, P. Andreakou, M. Bernechea, G. Konstantatos, P. Lagoudakis, “Time-resolved spectroscopic study of resonant energy transfer between lead-sulphide quantum dots and bulk silicon.”, Proceeding of the 42nd IEEE Photovoltaic Specialist Conference, Accepted (2015)
  • J. D. Major, M. Al Turkestani, L. Bowen, M. Brossard, C. Li, P. Lagoudakis, S. J. Pennycook, L. J. Phillips, R. E. Treharne, K. Durose, “In-depth analysis of chloride treatments for thin-film CdTe solar cells.”, Nature Communications 7, Article number: 13231 (2016)
  • C. Krishnan, M. Brossard, K.-Y. Lee, J.-K. Huang, C.-H. Lin, H.-C. Kuo, M. D. B. Charlton, and P. G. Lagoudakis, “Hybrid photonic crystal light-emitting diode renders 123% color conversion effective quantum yield,” Optica 3, 503-509 (2016)
  • Bachelor in Physics with honours (Très Bien), Université Joseph Fourier, Grenoble, France (2004-2008)
  • International Master in Nanoscience with honours (Très Bien), Université Pierre et Marie Curie, Paris, France (2008-2010)
  • PhD in Physics, School of Physics and Astronomy, University of Southampton, United Kingdom (2010-2015)
  • Valedictorian, class of 2007, Université Joseph Fourier, Grenoble, France
  • Valedictorian, class of 2009, Université Pierre et Marie Curie, Paris, France
  • Marie Curie Early Stage Researcher, ICARUS Initial Training Network, University of Southampton (2010-2014)
  • Best Presentation Award, Nanophotonics For Energy Network Meeting, Stockholm, Sweden, June 2011
  • Best International Collaboration, Nano and Green Photonics workshop, Hsinchu, Taiwan, 4th September 2014
  • Fred Treble Photovoltaic Award, 13th September 2013