Study of the Initial Stage of Fluorinated C60F18 Fullerene Adsorption on the Cu(001) Surface

被引：3

作者：

Oreshkin S.I. ^{[1
]}

Muzychenko D.A. ^{[2
]}

Oreshkin A.I. ^{[2
]}

Panov V.I. ^{[2
]}

Yakovlev V.A. ^{[3
]}

Bakhtizin R.Z. ^{[4
]}

机构：

[1] Sternberg Astronomical Institute (GAISh), Moscow

[2] Moscow State University, Moscow

[3] Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow

[4] Institute of Physics and Technology, Bashkir State University, Ufa

来源：

Journal of Surface Investigation | 2018年 / 12卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

fluorinated fullerenes; island nanostructures; scanning tunneling microscopy;

D O I：

10.1134/S1027451018050051

中图分类号：

学科分类号：

摘要：

The dynamics of the adsorption and evolution of fluorinated C60F18 fullerene molecules on the Cu(001) surface are studied by real-time ultra-high vacuum scanning tunneling microscopy. Fluorinated fullerene molecules are shown to decompose with time on the Cu(001) surface transforming to C60 molecules. The decay rate depends on the initial molecular coverage. The rapid decay of fluorinated fullerene molecules is observed when the coverage is no higher than 0.2 single layers. As a result, two-dimensional islands consisting of pure C60 molecules are formed on the Cu(001) surface. 2D islands consisting of fluorinated fullerene molecules are formed when the initial molecular coverage is higher than 0.5 single layers. The molecules inside these islands also tend to decompose with time. It is found experimentally that fluorine atoms are removed completely from the initial C60F18 molecules adsorbed on the Cu(001) surface after 250 h when the initial molecular coverage is 0.6 single layers. © 2018, Pleiades Publishing, Ltd.

引用

页码：866 / 871

页数：5

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