Fig. 2 (IMAGE) Osaka University Caption Organic phototransistor based on Py-FNTz-B Credit Osaka University Usage Restrictions Only noncommercial uses of the work are permitted. License Original 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.