Solar energy is a renewable energy source much needed as the global energy demand and the speed of climate change increase. Solar energy can be converted to electric energy by means of organic photovoltaics (OPV). This is a technology that uses organic molecules, such as polymers, to absorb sunlight and generate electricity. While OPV devices have become more efficient, one problem is that their operational lifetime is still short. One reason for this, is that the polymer and fullerene materials used in OPV:s degrades when it is exposed to light and air. This problem is addressed in Vanja Blazinic’s research in physics. In our conversation, he explains how his research contributes to a better practical understanding of material degradation in OPV devices. This is much needed for this technology to contribute to a brighter future.
Vanja Blazinic’s doctoral thesis in physics can be downloaded from DiVA: Probing the effects of photodegradation of acceptor materials in polymer solar cells: bulk, surface, and molecular level