Concept

Michael Grätzel

Summary
Michael Grätzel (born 11 May 1944, in Dorfchemnitz, Saxony, Germany) is a professor at the École Polytechnique Fédérale de Lausanne where he directs the Laboratory of Photonics and Interfaces. He pioneered research on energy and electron transfer reactions in mesoscopic-materials and their optoelectronic applications. He co-invented with Brian O'Regan the Grätzel cell in 1988. Graetzel is the author of over 1000 publications, two books and inventor or co-inventor of over 80 patents, he has been the Mary Upton Visiting Professor at Cornell University and a distinguished visiting professor at the National University of Singapore, and is currently a distinguished scientist at King Abdulaziz University. He was an invited professor at the University of California, Berkeley, the École normale supérieure Paris-Saclay and Delft University of Technology. In 1968 he graduated from Free University of Berlin, in 1971 he earned the Doctor of Philosophy in natural science at Technical University of Berlin. In 1976 he completed habilitation in physical chemistry at the Free University of Berlin. Since 1977 to the present day he is a professor at the Swiss Federal Institute of Technology in Lausanne, where he directs the Laboratory of Photonics and Interfaces. He worked as postdoctoral research fellow, lecturer, visiting professor at the Hahn-Meitner Institute, Free University of Berlin, University of California at Berkeley, Ecole Normale Supérieure de Cachan, Oil and Gas Research Fund, University of Notre Dame and other educational and research centers. In 1991, he published his breakthrough work in Nature magazine with regard to the new type of solar cells based on a three-dimensional array of tiny (mesoscopic) oxide semiconductor particles with wide band gap covered with an organic pigment that have brought the name of professor into repute and were named as Graetzel cells. Graetzel is the holder of 10 honorary doctorates in Universities of Asia and Europe: Denmark, Holland, China, Sweden, Singapore and other countries.
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