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Universitat Wurzburg

   
Project: ESR-5: PhD at Julius Maximilians University of Würzburg, Germany
Topic: Studies of Spin Sensitive Processes in Organic Solar Cells
Researcher (ESR) Ms. Liudmila Kudriashova
Supervisor: Prof. Dr. Vladimir Dyakonov

Studies of Spin Sensitive Processes in Organic Solar Cells

Novel photovoltaic materials and material systems will be characterized by advanced photoluminescence (PL) spectroscopy, both steady-state and time-resolved. Steady-state PL will be used to obtain basic photophysical properties of the thin films: absorption, emission, photoexcitation, and absolute quantum yield. Contactless time-resolved techniques, such as streak-imaging and time-correlated single-photon counting, will be used to monitor charge carrier dynamis in the pristine materials and complete devices.
Perspective for organic photovoltaics donors and acceptors, as well as their blends, will be investigated in the broad range of temperatures, from room to cryogenic. Charge transfer whithin the active material and effect of the interfaces will be considered. PL quenchers will be used to observe the carrier diffusion and excitation quenching in the active layer. Several excitation sources, continuous and pulsed, will be available in the study to reveal the processes taking place on various time scales.

Please contact Prof. Dr. Vladimir Dyakonov, mail: This email address is being protected from spambots. You need JavaScript enabled to view it. and visit our webpage www.physik.uni-wuerzburg.de/EP6.

 

Liudmila Kudriashova

ESR05 KudriashovaLiudmila Kudriashova completed her specialist (analogue to master) degree in Lomonosov Moscow State University (Russia), where she was studying from 2010 to 2016. Her specialisation was laser physics and nonlinear optics. In parallel to her study, she was doing experimental research on organic semiconductors for light-emitting devices in the Laboratory of Organic Electronics. In 2016, she started working as a visiting researcher in the group of Prof. Dr. Vladimir Dyakonov (Julius-Maximilian University of Würzburg, Germany) and afterwards applied for a PhD position in the same research group in the frames of SEPOMO project.

Photoluminescent (PL) spectroscopy and time-resolved photoluminescence (TRPL) are her favourite experimental techniques. She has a broad experience in steady-state photoluminescence spectroscopy, absolute measurements of PL efficiency, and ultra-fast TRPL spectroscopy. She is familiar with streak-camera measurements, as well as with time-correlated photon counting. Her current interests are perovskite photovoltaics, thermally-activated delayed fluorescence, and organic photovoltaics.

 

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