Portal de Periódicos da CAPES

Fluorescent H‐Aggregates of Merocyanine Dyes

2006; Wiley; Volume: 45; Issue: 42 Linguagem: Inglês

10.1002/anie.200602286

1521-3773

Ulrich Rösch, Sheng Yao, Rüdiger Wortmann, Frank Würthner,

Luminescence and Fluorescent Materials

Angewandte Chemie International EditionVolume 45, Issue 42 p. 7026-7030 Communication Fluorescent H-Aggregates of Merocyanine Dyes† Ulrich Rösch Dr., Ulrich Rösch Dr. Technische Universität Kaiserslautern, Physikalische Chemie, Erwin-Schrödinger-Strasse, 67663 Kaiserslautern, GermanySearch for more papers by this authorSheng Yao Dr., Sheng Yao Dr. Universität Würzburg, Institut für Organische Chemie, Am Hubland, 97074 Würzburg, Germany, Fax: (+49) 931-888-4756Search for more papers by this authorRüdiger Wortmann Prof. Dr., Rüdiger Wortmann Prof. Dr. Technische Universität Kaiserslautern, Physikalische Chemie, Erwin-Schrödinger-Strasse, 67663 Kaiserslautern, Germany deceased on March 13, 2005Search for more papers by this authorFrank Würthner Prof. Dr., Frank Würthner Prof. Dr. [email protected] Universität Würzburg, Institut für Organische Chemie, Am Hubland, 97074 Würzburg, Germany, Fax: (+49) 931-888-4756Search for more papers by this author Ulrich Rösch Dr., Ulrich Rösch Dr. Technische Universität Kaiserslautern, Physikalische Chemie, Erwin-Schrödinger-Strasse, 67663 Kaiserslautern, GermanySearch for more papers by this authorSheng Yao Dr., Sheng Yao Dr. Universität Würzburg, Institut für Organische Chemie, Am Hubland, 97074 Würzburg, Germany, Fax: (+49) 931-888-4756Search for more papers by this authorRüdiger Wortmann Prof. Dr., Rüdiger Wortmann Prof. Dr. Technische Universität Kaiserslautern, Physikalische Chemie, Erwin-Schrödinger-Strasse, 67663 Kaiserslautern, Germany deceased on March 13, 2005Search for more papers by this authorFrank Würthner Prof. Dr., Frank Würthner Prof. Dr. [email protected] Universität Würzburg, Institut für Organische Chemie, Am Hubland, 97074 Würzburg, Germany, Fax: (+49) 931-888-4756Search for more papers by this author First published: 23 October 2006 https://doi.org/10.1002/anie.200602286Citations: 337 † This work was supported by the Deutsche Forschungsgemeinschaft. We are grateful to Prof. Gereon Niedner-Schatteburg and Prof. Hans-Georg Kuball (both Physical Chemistry, Kaiserslautern) for helpful discussions and their ongoing support, and to the referees for valuable suggestions. Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat Graphical Abstract Unexpected lighting up: A slight rotational twist and rigidification of merocyanine dyes in a face-to-face π-π-stacked dimer aggregate resulted in an unexpected increase in the fluorescence intensity and lifetime (see graph). This result contrasts the common perception that the fluorescence of H-aggregates is strongly quenched, but can be rationalized within the concept of exciton theory. Citing Literature Volume45, Issue42October 27, 2006Pages 7026-7030 RelatedInformation