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Condensed Matter > Materials Science

arXiv:2205.00231 (cond-mat)
[Submitted on 30 Apr 2022 (v1), last revised 3 Sep 2022 (this version, v2)]

Title:Theoretical Analysis on the Stability of 1-Pyrenebutanoic Acid Succinimidyl Ester Adsorbed on Graphene

Authors:Yasuhiro Oishi, Hirotsugu Ogi, Satoshi Hagiwara, Minoru Otani, Koichi Kusakabe
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Abstract:The adsorbed structure of 1-pyrenebutanoic acid succinimidyl ester (PASE) on graphene was investigated based on density functional theory. We found two locally stable structures: a straight structure with the chainlike part of butanoic acid succinimidyl ester (BSE) lying down and a bent structure with the BSE part directed away from graphene, keeping the pyrene (Py) part adsorbed on graphene. Then, to elucidate the adsorption mechanism, we separately estimated the contributions of the Py and BSE parts to the entire PASE adsorption, and the adsorption effect of the BSE part was found to be secondary in comparison to the contribution of the Py. Next, the mobility of the BSE part at room temperature was confirmed by the activation energy barrier between straight and bent structures. To take account of the external environment, we considered the presence of amino acids and the hydration effect by a three-dimensional reference interaction site model. The contributions of glycine molecules and the solvent environment to stabilizing the bent PASE structure relative to the straight PASE structure were found. Therefore, the effect of the external environment around PASE is of importance when the standing-up process of the BSE part from graphene is considered.
Comments: 21 pages, 5 figures, accepted for publication in ACS Omega
Subjects: Materials Science (cond-mat.mtrl-sci); Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
Cite as: arXiv:2205.00231 [cond-mat.mtrl-sci]
  (or arXiv:2205.00231v2 [cond-mat.mtrl-sci] for this version)
  https://doi.org/10.48550/arXiv.2205.00231
Related DOI: https://doi.org/10.1021/acsomega.2c03257

Submission history

From: Yasuhiro Oishi [view email]
[v1] Sat, 30 Apr 2022 10:34:20 UTC (1,135 KB)
[v2] Sat, 3 Sep 2022 12:27:53 UTC (1,129 KB)
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