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CMP
Credit: Jack Hobhouse

Dr Alexandra Ramadan [she/her]

Long Term Visitor

Research theme

  • Photovoltaics and nanoscience

Sub department

  • Condensed Matter Physics
alexandra.ramadan@physics.ox.ac.uk
  • About
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I am a lecturer at the University of Sheffield where I have my own research group studying new and emerging semiconductor materials. Below are links to my research group website and Sheffield website.

https://www.sheffield.ac.uk/physics/people/academic/alex-ramadan

https://www.ramadan-lab.com/

I was previously a postdoctoral researcher in the photovoltaics and optoelectronic device group at Oxford.

Research interests

Perovskite Solar Cells
Organic Semiconductors
Electronic Structure
Structural Defects

Selected publications

Thermally stable passivation toward high efficiency inverted perovskite solar cells

ACS Energy Letters American Chemical Society 5:11 (2020) 3336-3343
Robert DJ Oliver, Yen-Hung Lin, Alexander J Horn, Chelsea Q Xia, Jonathan H Warby, Michael B Johnston, Alexandra J Ramadan, Henry J Snaith

Revealing the stoichiometric tolerance of lead tri-halide perovskite thin-films

Chemistry of Materials American Chemical Society (ACS) (2019) acs.chemmater.9b02639
Alexandra J Ramadan, Maryline Ralaiarisoa, Fengshuo Zu, Luke A Rochford, Bernard WENGER, Norbert Koch, Henry SNAITH

A piperidinium salt stabilizes efficient metal-halide perovskite solar cells.

Science (New York, N.Y.) Nature Research 369:6499 (2020) 96-102
Yen-Hung Lin, Nobuya Sakai, Peimei Da, Jiaying Wu, Harry C Sansom, Alexandra J Ramadan, Suhas Mahesh, Junliang Liu, Robert DJ Oliver, Jongchul Lim, Lee Aspitarte, Kshama Sharma, Pk Madhu, Anna B Morales-Vilches, Pabitra K Nayak, Sai Bai, Feng Gao, Chris RM Grovenor, Michael B Johnston, John G Labram, James R Durrant, James M Ball, Bernard Wenger, Bernd Stannowski, Henry J Snaith

Revealing factors influencing the operational stability of perovskite light-emitting diodes

ACS Nano American Chemical Society 14:7 (2020) 8855-8865
Jonathan H Warby, Bernard Wenger, Alexandra J Ramadan, Robert Oliver, Harry Sansom, Ashley Marshall, Henry Snaith
See all publications

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