Klar Tybrandt, Linköping University (IMAGE) Linköping University Caption This is Klas Tybrandt at Linköping University. He has put forward a theoretical model that explains the coupling between ions and electrons in the widely used conducting polymer PEDOT:PSS. The model has profound implications for applications in printed electronics, energy storage in paper and bioelectronics. Credit Thor Balkhed Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.