Singlet fission material (IMAGE) Linköping University Caption Diphenyl hexatriene (DPH) was used as singlet fission material in this study. Credit Thor Balkhed Usage Restrictions Please use appropriate caption and credit. 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.