Intermolecular artifacts in probe microscope images of C-60 assemblies

Jarvis, Samuel Paul and Rashid, Mohammad Abdur and Sweetman, Adam and Leaf, Jeremy and Taylor, Simon and Moriarty, Philip and Dunn, Janette (2015) Intermolecular artifacts in probe microscope images of C-60 assemblies. Physical review B, 92 (24). ISSN 1098-0121

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Claims that dynamic force microscopy has the capability to resolve intermolecular bonds in real space continue to be vigorously debated. To date, studies have been restricted to planar molecular assemblies with small separations between neighboring molecules. Here we report the observation of intermolecular artifacts over much larger distances in 2D assemblies of C-60 molecules, with compelling evidence that in our case the tip apex is terminated by a C-60 molecule (rather than the CO termination typically exploited in ultrahigh resolution force microscopy). The complete absence of directional interactions such as hydrogen or halogen bonding, the nonplanar structure of C-60, and the fullerene termination of the tip apex in our case highlight that intermolecular artifacts are ubiquitous in dynamic force microscopy.

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Journal Article
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Physical review B
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24 Jan 2017 09:02
Last Modified:
19 Sep 2023 01:41