Author, Institution: Mantas Marčinskas, Kaunas University of Technology
Science area, field of science: Natural Sciences, Chemistry, N003
Research Supervisor: Prof. Dr. Tadas Malinauskas (Kaunas University of Technology, Natural Sciences, Chemistry, N003)
Dissertation Defence Board of Chemistry Science Field:
Prof. Dr. Saulius Grigalevičius (Kaunas University of Technology, Natural Sciences, Chemistry, N003) – chairperson
Assoc. Prof. Dr. Birutė Grybaitė (Kaunas University of Technology, Natural Sciences, Chemistry, N003)
Dr. Karolis Kazlauskas (Vilnius University, Natural Sciences, Physics, N002)
Dr. Karolis Norvaiša (Université Libre de Bruxelles, Belgium, Natural Sciences, Chemistry, N003)
Prof. Dr. Edvinas Orentas (Vilnius University, Natural Sciences, Chemistry, N003)
Dissertation defence meeting will be at Rectorate Hall of Kaunas University of Technology (K. Donelaičio 73-402, Kaunas)
The doctoral dissertation is available at the library of Kaunas University of Technology (Gedimino 50, Kaunas) and on the internet: M. Marčinskas el. dissertation (PDF)
Annotation: Organic semiconductors are a major focus in the design and development of next-generation optoelectronics, such as perovskite or organic solar cells. These compounds often make a significant contribution not only to efficiency but also to the long-term stability of the devices. The introduction of self-assembled monolayer (SAM) hole-transporting semiconductors, such as [2-(9H-carbazol-9-yl)ethyl]phosphonic acid (2PACz) and [2-(3,6-dimethoxy-9H-carbazol-9-yl)ethyl]phosphonic acid (MeO-2PACz), a major step forward in the development of the next-generation solar cells has been made. Such compounds are capable of forming a self-assembled monolayer on a surface of various metal oxides, thus simplifying the semiconductor deposition procedure and providing conformal surface coverage. They are also cost effective because dilute solutions are used to coat a single molecule thick layer, ensuring minimal material consumption. Currently, 2PACz and similar self-assembled monolayer compounds are being successfully used to construct perovskite, organic, tandem solar cells or organic light-emitting diodes. This thesis presents the author’s synthesized hole transporting SAM compounds where strategies of different chromophore selection and different functional group introduction have been employed. The obtained SAM materials have been used for further investigation in perovskite and bulk heterojunction organic solar cells, organic light emitting diodes and gas sensors.
February 25 d. 11:00
Rectorate Hall at Kaunas University of Technology (K. Donelaičio 73-402, Kaunas)
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