3D Structure of Individual Nanocrystals in Solution by Electron Microscopy
Fig. 1 [Reprinted Reprinted with permission from AAAS © 2015: J. Park, et al., "3D structure of individual nanocrystals in solution by electron microscopy," Science 349: 6245 (17 July 2015) DOI: 10.1126/science.aab1343.]
Electron microscopy is a powerful technique for taking snapshots of particles or images at near-atomic resolution. An international group of scientists from Berkeley Lab, Harvard (included Prof. David Weitz), Monash University (Clayton, Australia) Berkeley Lab., Princeton, Ulsan National Institute of Science and Technology, (Ulsan, South Korea) and Amore-Pacific Co. (Yongin, South Korea), studied free-floating platinum nanoparticles using electron microscopy and liquid cells. Using analytical techniques developed to study biological molecules, they reconstructed the threedimensional features of the Pt particles at near-atomic resolution. This approach has the scope to study a mixed population of particles one at a time and to study their synthesis as it occurs in solution.