Molecular Rotor Functionalized with a Photoresponsive Brake

被引：11

作者：

Asato, Ryosuke ^{[1
,2
]}

Martin, Colin J. ^{[2
]}

Abid, Seifallah ^{[3
]}

Gisbert, Yohan ^{[3
]}

Asanoma, Fumio ^{[1
]}

Nakashima, Takuya ^{[1
]}

Kammerer, Claire ^{[3
]}

Kawai, Tsuyoshi ^{[1
,2
]}

Rapenne, Gwenael ^{[1
,2
,3
]}

机构：

[1] Nara Inst Sci & Technol NAIST, Div Mat Sci, Ikoma, Nara 6300192, Japan

[2] CNRS, Int Collaborat Lab Supraphotoact Syst, NAIST CEMES, UPR 8011, F-31055 Toulouse 4, France

[3] Univ Toulouse, CNRS, CEMES, F-31055 Toulouse 4, France

来源：

INORGANIC CHEMISTRY | 2021年 / 60卷 / 06期

基金：

欧盟地平线“2020”;

关键词：

Irradiation;

D O I：

10.1021/acs.inorgchem.0c03330

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A molecular motor that has been previously shown to rotate when fueled by electrons through a scanning tunneling microscope tip has been functionalized with a terarylene photo-chrome fragment on its rotating subunit. Photoisomerization has been performed under UV irradiation. Variable-temperature H-1 NMR and UV-vis studies demonstrate the rotational motion and its braking action after photoisomerization. The braking action can be reversed by thermal heating. Once the rigid and planar closed form is obtained, the rotation is effectively slowed at lower temperature, making this new rotor a potential motor with an independent response to electrons and light.

引用

页码：3492 / 3501

页数：10

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