期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 55, 期 4, 页码 1544-1547出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201509111
关键词
azobenzenes; energy transfer; near infrared; photochromism; two-photon photochemistry
资金
- Deutsche Forschungsgemeinschaft [SFB 658, 1078]
- European Research Council (ERC) [ERC-2012-STG_308117]
Two-NIR-photon-triggered Z -> E isomerization of an azobenzene was accomplished by covalently linking a two-photon-harvesting triarylamine antenna to a thermally stable ortho-fluorinated azobenzene derivative. The obtained photo-switch is fully addressable with visible and NIR light by using one-photon and two-photon excitation, respectively, with the latter offering enhanced penetration depth and improved spatial resolution.
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