Flexible Nanopillar Solar Cell (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption A flexible solar cell is achieved by removing the aluminum substrate, substituting an indium bottom electrode, and embedding the 3-D array in clear plastic. Credit Lawrence Berkeley National Laboratory Usage Restrictions with credit as given 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.