Ultrafast Dynamics Group
Frédéric Laquai's Group


Esma Ugur

PhD Students

Research Interests

​Esma’s research interest is photophysics of perovskite solar cells with different electron and hole selective layers. She focuses on understanding of charge carrier generation, transport and recombination processes in perovskite absorber layer and perovskite/selective layer systems.

Selected Publications

  • Sansoni S., De Bastiani M., Aydin E., Ugur E., Isikgor F. H., Al-Zahrani A., Lamberti F., Laquai F., Meneghetti M, De Wolf S., Eco-friendly spray deposition of perovskite films on macro-scale textured surfaces, Advanced Materials Technologies, 2020, 1901009.
  • Khan J. I., Sheikh A. D., Alamoudi M. A., Barrit D., Ugur E., Laquai F., Amassian A., Impact of Residual Lead Iodide on Photophysical Properties of Lead Triiodide Perovskite Solar Cells, Energy Technology, 2019, 1900627.​​
  • Neophy
  • tou M., De Bastiani M., Gasparini N., Aydin E., Ugur E., Seitkhan A., Moruzzi F., Choaie Y., Ramadan A. J., Troughton J. R., Hallani R., Savva A., Tsetseris L., Inal S., Baran D., Laquai F., Anthopoulos T. D., Snaith H. J., De Wolf S., McCulloch I., Enhancing the charge extraction and stability of perovskite solar cells using strontium titanate (SrTiO3) electron-transport layer, ACS Applied Energy Materials, 2019, 2, 8090-8097.
  • Ugur E., Khan J. I., Aydin E., Kirkus M., Neophytou M.,  De Wolf S., McCulloch I., Laquai F., Carrier Extraction from Perovskite to Polymeric Charge Transport Layers Probed by Ultrafast Transient Absorption Spectroscopy, ACS The Journal of Physical Chemistry Letters, 2019, 10, 6921-6928.
  • E. Aydin, J. R. Troughton, M. De Bastiani, E. Ugur, M. Sajjad, A. Alzahrani, M. Neophytou, U. Schwingenschlögl, F. Laquai, D. Baran, S. De Wolf, Room-Temperature Sputtered Nickel Oxide: Material Properties and Application as Hole Transport Layer for p-i-n Perovskite Solar Cells, ACS Applied Energy Materials 2018.​
  •  J. Peng, J. I. Khan, W. Liu, E. Ugur, T. Duong, Y. Wu, H. Shen, K. Wang, H. Dang, E. Aydin, X. Yang, K. Weber, K. Catchpole, F. Laquai, S. De Wolf, T. P. White, A Universal DoubleSide Passivation for High OpenCircuit Voltage in Perovskite Solar Cells: Role of Carbonyl Groups in Poly(methyl methacrylate), Advanced Energy Materials 2018, 0, 1801208.
  • E. Ugur, A. D. Sheikh, R. Munir, J. I. Khan,  D. Barrit, A. Amassian, F. Laquai, Improved Morphology and Efficiency of n-i-p Planar Perovskite Solar Cells by Processing with Glycol Ether Additives, ACS Energy Letters 2017, 2, 1960-1968.​


  • M.Sc.  Micro and Nanotechnology Graduate Program, TOBB University of Economics and Technology, Ankara, Turkey, 2014
  • B.Sc. in Physics Middle East Technical University, Ankara, Turkey, 2011

Professional Profile

  • 2012-2014: Research Assistant, TOBB University of Economics and Technology, Energy Researches Laboratory, Ankara, Turkey 

  • 2013-2014: Teaching Assistant, TOBB University of Economics and Technology, Ankara, Turkey 

Scientific and Professional Memberships

  • ​​Materials Research Society (MRS)  ​