In Situ TEM Etching of Gold Nanocrystals: Elucidating the Shape Transformation Mechanisms and Chemistry of the Graphene Liquid Cell

1. Department of Chemistry, University of California-Berkeley, Berkeley, California, United States. 2. Department of Materials Science and Engineering, University of California-Berkeley, Berkeley, California, United States. 3. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, United States 4.Kavli Energy NanoScience Institute, University of California Berkeley and Lawrence Berkeley National Laboratory, Berkeley, California, United States * Corresponding author: paul.alivisatos@berkeley.edu