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阐明在室温下于液固界面记录的2,4,6-三（4',4'',4'''-三甲基苯基）-1,3,5-三嗪分子的扫描隧道显微镜（STM）图像中的分子内对比度。

Elucidating the intramolecular contrast in the STM images of 2,4,6-tris(4',4'',4'''-trimethylphenyl)-1,3,5-triazine molecules recorded at room-temperature and at the liquid-solid interface.

作者信息

Silly Fabien

机构信息

TITANS, SPEC, CEA, CNRS, Université Paris-Saclay CEA Saclay F-91191 Gif sur Yvette France

出版信息

RSC Adv. 2020 Feb 5;10(10):5742-5746. doi: 10.1039/c9ra09681g. eCollection 2020 Feb 4.

DOI:10.1039/c9ra09681g
PMID:35497445
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9049222/
Abstract

Star-shaped 2,4,6-tris(4',4'',4'''-trimethylphenyl)-1,3,5-triazine molecules self-assemble at the solid-liquid interface into a compact hexagonal nanoarchitecture on graphite. High resolution scanning tunneling microscopy (STM) images of the molecules reveal intramolecular features. Comparison of the experimental data with calculated molecular charge density contours shows that the molecular features in the STM images correspond to molecular LUMO+2.

摘要

星形的2,4,6-三（4',4'',4'''-三甲基苯基）-1,3,5-三嗪分子在固液界面自组装，在石墨上形成紧凑的六边形纳米结构。分子的高分辨率扫描隧道显微镜（STM）图像揭示了分子内特征。将实验数据与计算出的分子电荷密度等值线进行比较表明，STM图像中的分子特征对应于分子的最低未占分子轨道（LUMO）+2。

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