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Thermo-mechanical behavior of self-assembled nanoparticle membranes

Chan, Henry and Narayanan, Badri and Wang, Yifan and Lin, Xiao-Min and Jaeger, Heinrich and Sankaranarayanan, Subramanian (2017) Thermo-mechanical behavior of self-assembled nanoparticle membranes. In: 254th American Chemical Society National Meeting & Exposition, August 20-24, 2017, Washington, DC.

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Ultra-thin nanoparticle (NP) membranes are self-assembled hybrid materials that have attracted considerable interests. Monolayer membranes formed of simple dodecanethiol ligated gold NPs have mech. strength that comes mostly from weak non-covalent van der Waals interactions between ligands, yet they can free-stand over micron-size holes and have a Young's modulus on the order of several GPa. We will present our recent exptl.-theor. study on the thermo-mech. behavior of these membranes and reveal microscopic details relating to ligand rearrangement and dynamics that lead to their hysteretic mech. response. The results provide insight that can be useful in the development of new non-covalent self-assembled materials with tunable properties.

Item Type:Conference or Workshop Item (Paper)
Related URLs:
URLURL TypeDescription Website
Wang, Yifan0000-0001-9965-9777
Lin, Xiao-Min0000-0002-2879-3474
Additional Information:© 2017 American Chemical Society.
Record Number:CaltechAUTHORS:20180501-082853458
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:86151
Deposited By: Tony Diaz
Deposited On:01 May 2018 18:16
Last Modified:09 Mar 2020 13:19

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