Quantum Dot Size Distribution (IMAGE) Vanderbilt University Caption A transmission electron microscope image of a single iron pyrite quantum dot on the left and a graph that shows the size distribution of the fool's gold quantum dots that they added to standard lithium batteries. Credit Pint Lab, Vanderbilt University 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.