On November 30, 2021, Carlson, Shane; Becker, Maximilian; Bruenig, Florian N.; Ataka, Kenichi; Cruz, Ruben; Yu, Leixiao; Tang, Peng; Kanduc, Matej; Haag, Rainer; Heberle, Joachim; Makki, Hesam; Netz, Roland R. published an article.Quality Control of 1-Decanethiol The title of the article was Hydrophobicity of Self-Assembled Monolayers of Alkanes: Fluorination, Density, Roughness, and Lennard-Jones Cutoffs. And the article contained the following:
The interplay of fluorination and structure of alkane self-assembled monolayers and how these affect hydrophobicity are explored via mol. dynamics simulations, contact angle goniometry, and surface-enhanced IR absorption spectroscopy. Wetting coefficients are found to grow linearly in the monolayer d. for both alkane and perfluoroalkane monolayers. The larger contact angles of monolayers of perfluorinated alkanes are shown to be primarily caused by their larger mol. volume, which leads to a larger nearest-neighbor grafting distance and smaller tilt angle. Increasing the Lennard-Jones force cutoff in simulations is found to increase hydrophilicity. Specifically, wetting coefficients scale like the inverse square of the cutoff, and when extrapolated to the infinite cutoff limit, they yield contact angles that compare favorably to exptl. values. Nanoscale roughness is also found to reliably increase monolayer hydrophobicity, mostly via the reduction of the entropic part of the work of adhesion. Anal. of depletion lengths shows that droplets on nanorough surfaces partially penetrate the surface, intermediate between Wenzel and Cassie-Baxter states. The experimental process involved the reaction of 1-Decanethiol(cas: 143-10-2).Quality Control of 1-Decanethiol
The Article related to fluorination roughness hydrophobicity self assembled monolayer alkane, Surface Chemistry and Colloids: Solid-Liquid Systems and other aspects.Quality Control of 1-Decanethiol
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