Topic: Perovskites for Solar Cells - Crystallization, Stabilization, and Optimization

Lecturer: Dr. Kai O. Brinkmann

Time: 11:00-12:00am, Monday, April 15, 2024, UTC+8

Venue: Room 201, Lecture Hall of the International School of Materials Science and Engineering in the Library Building, Mafangshan West Campus

Organizer: International School of Materials Science and Engineering (School of Materials and Microelectronics)

Sponsor: Material Advantage WUT Chapter

Biography:  Kai O. Brinkmann, lecturer at University of Wuppertal, leads the perovskite and emerging solar cells group at the institute of electronic devices since 2023 (under Chair of Prof. Thomas Riedl). He studied electrical engineering, acquired B. Sc., M.Sc. and PhD at 2014, 2016 and 2022 respectively at University of Wuppertal. Since 2017, he has mainly published on perovskite single and multi-junction solar cells in impactful journals including Nature, Nat. Common., Nat. Rev. Mater., Adv. Energy Mater.

Abstract: Among the materials utilized in thin film technologies, perovskite materials have emerged as a rising star for optoelectronic applications. The lecture will provide an overview of research conducted at the Institute of Electronic Devices, University of Wuppertal. The lecture will be commenced with the aspect of perovskite processing, where a profound comprehension of the perovskite formation process is essential for both the scientific community and industry. Dr. Kai O. Brinkmann’s  group’s investigations have unveiled surprising insights that may reshape current perceptions of perovskite grain formation and challenge the applicability of conventional nucleation theories in predicting outcomes of the perovskite deposition process with crystallization agents. Subsequently, the lecture will be delved into the stability aspect, which they have found to be substantially influenced by interface effects and greatly enhanced by the integration of internal barrier layers grown by atomic layer deposition (ALD). Concluding the presentation, the lecturer will explore the relatively nascent field of perovskite organic tandem solar cells. These tandem cells not only hold promise for achieving remarkably high efficiencies surpassing 30%, but also offer a pathway towards realizing the first stable, low-cost thin-film solar cell based on perovskite technology

Rewritten by: Chao Yijia

Edited by: Wang Jingjing, Li Tiantian

Source: International School of Materials Science and Engineering