EPJ Web Conf.
Volume 205, 2019XXI International Conference on Ultrafast Phenomena 2018 (UP 2018)
|Number of page(s)||2|
|Section||Dynamics in Solids|
|Published online||16 April 2019|
Direct observation of photo-mechanical stiffness in alkanethiol-capped gold nanoparticles supracrystals by ultrafast small-angle electron diffraction
1 Laboratory for Ultrafast Spectroscopy, Lausanne Center for Ultrafast Science (LACUS), École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
2 Paul Scherrer Institut, WSLA/210, 5232 PSI Villigen, Switzerland
3 Laboratory for Ultrafast Microscopy and Electron Scattering, Lausanne Center for Ultrafast Science (LACUS), Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
4 Physics Institute, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
5 CIC biomaGUNE, Paseo de Miramón 182C, 20009 Donostia-San Sebastian, Spain. Ikerbasque, Basque Foundation for Science, 48011 Bilbao, Spain
6 Supramolecular Nanomaterials and Interfaces Laboratory, Institute of Materials, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
Published online: 16 April 2019
We demonstrate that ultrastiff bonding between nanoparticles can be engineered by ad hoc assemblies of ligands, reaching strengths comparable to that of strong covalent bonds. Our observation relies on femtosecond small-angle electron diffraction.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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