Paper 13123-1
Paper 13123-1
Material and device design for multijunction perovskite solar cells (Invited Paper)
20 August 2024 • 2:30 PM - 2:55 PM PDT | Conv. Ctr. Room 8
Abstract
A next target in photovoltaic energy conversion can possibly be met by developing perovskite triple or even quadruple junction solar cells. These require developing stable perovskite sub-cells with bandgaps in the range of 1.8 to 2.3 eV, i.e., a range that has not received much attention so far. Guided by photocurrent spectroscopy and absolute photoluminescence spectroscopy, in combination with bulk and interface passivation strategies, tandem and triple junction solar cells with a power-conversion efficiency of 26% have been reached. Photoluminescence of individual sub-cells provides information on the internal voltage in each absorber layer and offers a detailed understanding of the performance-limiting components in the tandem solar cell following prolonged continuous operation.
Presenter
Technische Univ. Eindhoven (Netherlands)
René Janssen is a university professor in chemistry and physics at the Eindhoven University of Technology. His current research is focused on developing, understanding, and applying novel molecular and perovskite semiconductor materials. This work combines synthesis, optical spectroscopy, electrochemistry, and morphological studies with the design, fabrication, and characterization of optoelectronic devices.