Light-Induced Translation of Motorized Molecules on a Surface

被引：64

作者：

Saywell, Alex ^{[1
,2
]}

Bakker, Anne ^{[1
]}

Mielke, Johannes ^{[1
,7
]}

Kumagai, Takashi ^{[1
]}

Wolf, Martin ^{[1
]}

Garcia-Lopez, Victor ^{[3
,4
,5
]}

Chiang, Pinn-Tsong ^{[3
,4
,5
]}

Tour, James M. ^{[3
,4
,5
]}

Grill, Leonhard ^{[1
,6
]}

机构：

[1] Max Planck Gesell, Fritz Haber Inst, Dept Phys Chem, D-14195 Berlin, Germany

[2] Univ Nottingham, Sch Phys & Astron, Nottingham NG7 2RD, England

[3] Rice Univ, Dept Chem & Mat Sci, Houston, TX 77005 USA

[4] Rice Univ, Dept NanoEngn, Houston, TX 77005 USA

[5] Rice Univ, Smalley Inst Nanoscale Sci & Technol, Houston, TX 77005 USA

[6] Graz Univ, Dept Phys Chem, Heinrichstr 28, A-8010 Graz, Austria

[7] BAM Bundesanstalt Mat Forsch & Prufung BAM, D-12205 Berlin, Germany

来源：

ACS NANO | 2016年 / 10卷 / 12期

基金：

美国国家科学基金会;

关键词：

diffusion; molecular devices; molecular motor; scanning probe microscopy; photoexcitation; photochemistry; molecular machines; METAL-SURFACES; MACHINES; MOTION; DIFFUSION; AZOBENZENE; ADSORPTION; DYNAMICS; CU(111); NANOCAR; WORK;

D O I：

10.1021/acsnano.6b05650

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Molecular machines are a key component in the vision of molecular nanotechnology and have the potential to transport molecular species and cargo on surfaces. The motion of such machines should be triggered remotely, ultimately allowing a large number of molecules to be propelled by a single source, with light being an attractive stimulus. Here, we report upon the photoinduced translation of molecular machines across a surface by characterizing single molecules before and after illumination. Illumination of molecules containing a motor unit results in an enhancement in the diffusion of the molecules. The effect vanishes if an incompatible photon energy is used or if the motor unit is removed from the molecule, revealing that the enhanced motion is due to the presence of the wavelength-sensitive motor in each molecule.

引用

页码：10945 / 10952

页数：8

共 41 条

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