Adsorption behavior of tin phthalocyanine onto the (110) face of rutile TiO2

被引：5
作者：
Bodek, Lukasz [1 ]
Engelund, Mads [2 ]
Cebrat, Aleksandra [1 ,3 ]
Such, Bartosz [1 ]
机构：
[1] Jagiellonian Univ, Fac Phys Astron & Appl Comp Sci, Ul S Lojasiewicza 11, PL-30348 Krakow, Poland
[2] Espeem SARL, Technoport SA, 9 Ave Haut Fourneaux, L-4362 Esch Sur Alzette, Luxembourg
[3] EMPA, Swiss Fed Labs Mat Sci & Technol, Uberlandstr 129, CH-8600 Dubendorf, Switzerland
来源：
BEILSTEIN JOURNAL OF NANOTECHNOLOGY | 2020年 / 11卷
关键词：
rutile (110) surface; scanning tunneling microscopy (STM); tin phthalocyanine (SnPc); titanium dioxide (TiO2); MOLECULES; SURFACE; MICROSCOPY; PORPHYRIN; STATES;
D O I：
10.3762/bjnano.11.67
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The adsorption behavior of tin phthalocyanine (SnPc) molecules on rutile TiO2(110) was studied by scanning tunneling microscopy (STM). Low-temperature STM measurements of single molecules reveal the coexistence of two conformations of molecules on the TiO2 surface. Density functional theory-based simulations (DFT) indicate that the difference originates from the position of the tin atom protruding from the molecule plane. The irreversible switching of Sn-up molecules into the Sn-down conformation was observed either after sample annealing at 200 degrees C or as a result of tip-induced manipulation. Room-temperature measurements conducted for a coverage of close to a monolayer showed no tendency for molecular arrangement.
引用
收藏
页码：821 / 828
页数：8
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