Tuesday, 11 June 2pm at MSG-025 MSSI
Hybrid perovskites of the formula A2MX4, A: ammonium substituted organic cation, M: a divalent metal ion and X: a halogen (Cl, Br, I) have attracted considerable attention recently. Their applications include lead-free perovskite solar cell, optoelectronic, exitonic and self-assembly quantum well. The properties of these hybrid perovskites OIHs are functions of A, M and X and there are possibilities to tailor the structure, physical and chemical properties according to the technological application needed. The Co hybrid perovskite is a promising material for lead-free perovskite solar cell applications. Mn organic-inorganic hybrid can be used as catalysis and ultraviolet absorbing materials. Cu hybrid can be used in the application of self-assembly quantum well as well as lead-free perovskite solar cell. The presenter has deposited about 15 of these novel hybrid perovskite materials in Cambridge Crystallographic Data Center (CCDC).
ABOUT THE PRESENTER
Seham K. Abdel-Aal is a lecturer at the Physics Department of the Faculty of Science in Cairo University, Egypt. She is also a Senior Researcher (Principal Investigator) at the Egypt Nanotechnology Center (http://www.egnc.gov.eg/egnc/). She obtained her PhD from Cairo University on the synthesis, structure and properties of lead-free organic-inorganic hybrid perovskites. Her postdoc (Graphene nanocomposites synthesis and characterization) was at the Center of Nanotechnology located at the Zakir Hussain College of Engineering and Applied Science in Aligarh Muslim University, India. Dr Abdel-Aal is a Steering Committee member of the African Lightsource (http://www.africanlightsource.org/) and African Crystallographic Association (https://laamp.iucr.org/news/towards-an-african-crystallographic-association). She is the Principal Investigator of jointly funded bilateral research projects with the Joint Institute of Nuclear Research (JINR), Dubna, Russia; Wigner Research Center of Physics, Hungarian Academy of Science, Budapest, Hungary, Huazhong University of Science and Technology, China and the Central Laboratory of Solar Energy and New Energy Sources, Bulgarian Academy of Science, Bulgaria. She has received travel bursaries from the International Union of Crystallography (IUCr) and European Crystallographic Association (ECA) to attend the 1st European School in Crystal Growth 2015, Bologna, Italy; Powder Diffraction School 2016 at the Pual Scherrer Institute, Villigen, Switzerland, 24th IUCr Conference 2017, Hyderabad, India and joint African Lightsource and Pan African Crystallography Conference 2019. Recently, she received 200,000 EGP (€10000) from the Science and Technology Development Fund of the Egyptian Ministry of Higher Education for green synthesis of graphene nanocomposites for energy applications.
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