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Title	Εμπλουτισμός του Οξειδίου του Γραφενίου με Άζωτο για χρήση σε Φωτοβολταϊκά Κελιά Περοβσκίτη
Author	Γάτσιος, Δημήτριος
Thesis advisor	Κουτσολέλος, Αθανάσιος
Abstract	Graphene is a material that has attracted great interest from modern researchers since its discovery in 2004, thanks to its optical and electronic properties. It has already established itself as an irreplaceable material in various areas of modern technology, dethroning materials that are more expensive and dangerous, not only for human health but for the environment as well. One of the areas that graphene and its derivatives have already made their presence felt are modern technology photovoltaic solar cells, especially the organic and perovskite solar cell types. When it comes to the latter, they are considered a quite efficient type, with a Power Conversion Efficiency (PCE) that has exceeded 22%. It has been proven that larger grains of perovskite crystals in the active layer benefit the movement of the negative and positive charges, thus increasing the efficiency of the solar cells. Various derivatives of graphene have been used in effort to control the size of the crystal grains of the perovskite active layer. In other words, a hybrid active layer of perovskite crystal – graphene material is made, aiming for the better performance of the solar cell. The purpose of this diploma thesis is the oxidation of Graphene, making Graphene Oxide (GO) and then, the doping of GO with Nitrogen atoms, resulting in N-doped Reduced Graphene Oxide, for future use in a hybrid active layer of perovskite crystal – graphene material.
Language	Greek
Issue date	2018-11-30
Collection	School/Department--School of Sciences and Engineering--Department of Chemistry--Graduate theses
	Type of Work--Graduate theses
Permanent Link	https://elocus.lib.uoc.gr//dlib/b/4/7/metadata-dlib-1547469469-682902-24833.tkl
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