The research group of Prof. Kati Miettunen studies solar energy materials and systems. The focus of the research is improving stability of emerging solar technologies as well as designing sustainable materials, e.g. bio-based alternatives. There is also a new opening in developing solar energy syste Contact online >>
The research group of Prof. Kati Miettunen studies solar energy materials and systems. The focus of the research is improving stability of emerging solar technologies as well as designing sustainable materials, e.g. bio-based alternatives. There is also a new opening in developing solar energy systems namely for Nordic conditions.
KESPV focuses on extending the lifespan of new high-efficiency solar cell technologies and adapting them to the principles of the circular economy. Perovskite solar cells produce high efficiency ratios as a separate cell type, but they can also be combined with traditional silicon solar cells to form Tandem solar cells, which can further increase power output.
The key problem with perovskite cells is their lifespan, which should be increased 1) in order for the technology to be competitive in the commercial market and 2) for the principles of sustainable development to be implemented as well as possible (in the circular economy, the so-called long loop).
Northern conditions bring their own challenges to solar cells, such as large temperature fluctuations and the sun is low on the horizon affecting the spectrum of light, and the KESPV project covers these aspects supporting the implementation of the energy transition in Finland. KESPV focuses specifically on developing modelling research to solve these lifespan and sustainability issues in order to understand the changes taking place in cells and guide experimental research as efficiently as possible.
The KESPV project was ideated together with Prof. Kati Miettunen and M.Sc. (tech) Aleksi Kamppinen. In addition, Julianna Virjonen will be working in the KESPV project.
CIMANET is an interdisciplinary doctoral education network to promote sustainable growth. It strengthens the knowledge base required to enhance the bio-based industry with novel solutions unveiling the full potential of biomass.
Partners: Aalto University, University of Helsinki, Åbo Akademi University, Lappeenranta University of Technology, University of Oulu, Tampere University, Hanken School of Economics, University of Jyväskylä, and University of Turku.
Solar panels and batteries in individual households have become more common due to lower prices and the green transition, and this development has made HEMS operational strategies an important research topic. The HEMS strategy refers to the coordination of a household''s energy production, consumption and storage, taking into account the limitations of the energy system and the household (e.g. home heating).
Various HEMS strategies have been studied extensively globally, but the conditions in Finland create special challenges due to, for example, large variations in solar energy production and high heating demand. Those Nordic challenges are the focus of this new project.
The RealSolar project investigates how to manage the increase of photovoltaics (PV) in our energy system while ensuring resilient and affordable energy supply, and that all levels of society have access to the benefits from PV and can thereby contribute to the just green transition.
Partners: Tommi Ekholm & Anders Lindfors (FMI); Sanna Syri (Aalto University); Saku Mäkinen (University of Turku); Samuli Ranta & Ritva Salminiitty (Turku University of Applied Sciences).
The SUSMAT university profiling measure enhances the design of sustainable materials and manufacturing with data-driven approach to solve global energy, health, and well-being, and industrial production challenges.
SUSMAT is a collaboration between the Department of Mechanical and Materials Engineering, Department of Physics and Astronomy, Department of Chemistry, Department of Life Sciences, and Department of Dentistry in University of Turku
The ECOSOL project investigates the retrieval of critical materials from photovoltaic systems. The researchers aim to understand how materials selection affects the recycling of solar cells and develop solar-panel structures that allow commercially viable reuse or recycling. The overall goal of the multidisciplinary consortium is to design sustainable solar-energy technology.
Partners: Prof. Jaana Vapaavuori (Aalto University, Finland), Dr. Anne Louise Bang (VIA University College, Denmark), Prof. Delia Dumitrescu (University of Borås, Sweden), Prof. Thomas Pausz (Iceland University of The Arts).
BioEST project focuses on utilizing bio-based material for emerging solar technologies to replace conventional rare materials and simultaneously increase the device lifetime. In this project, we also combine experimental studies with modelling to understand the degradation mechanisms of emerging solar cells and to predict the device lifetime to accelerate the aging studies.
The purpose of the Casual Bee research infrastructure is to serve as a platform for collaboration between local industries as well as to strengthen research excellence in the field of materials characterization and aging. The strong research focus on materials science at University of Turku, coupled with the recent expansion of the materials engineering education creates a possibility to build up larger infrastructure to support both the scientific and the business community.
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