Comparison of stability performance (IMAGE) City University of Hong Kong Caption A comparison of the stability performance between the device with (FcTc2) and without using a ferrocene-based metallic compound (Control), including long-term operational stability (top), damp heat stability (middle), and thermal cycle stability (bottom). Credit Z. Li, B. Li, X. Wu et al., DOI:10.1126/science.abo0039 Usage Restrictions Image must be used with 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.