Volume 115, Issue 24 pp. 2860-2864
Zuschrift

Dihedral-Angle Modulation of meso–meso-Linked ZnII Diporphyrin through Diamine Coordination and Its Application to Reversible Switching of Excitation Energy Transfer

Hideyuki Shinmori Dr.

Hideyuki Shinmori Dr.

Department of Chemistry, Graduate School of Science, Kyoto University, and, Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Corporation, Sakyo-ku, Kyoto 606–8502, Japan, Fax: (+81) 75-753-3970

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Tae Kyu Ahn Dr.

Tae Kyu Ahn Dr.

Center for Ultrafast Optical Characteristics Control and, Department of Chemistry, Yonsei University, Seoul 120–749, Korea, Fax: (+82) 2-2123-2434

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Hyun Sun Cho Dr.

Hyun Sun Cho Dr.

Center for Ultrafast Optical Characteristics Control and, Department of Chemistry, Yonsei University, Seoul 120–749, Korea, Fax: (+82) 2-2123-2434

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Dongho Kim Prof.

Dongho Kim Prof.

Center for Ultrafast Optical Characteristics Control and, Department of Chemistry, Yonsei University, Seoul 120–749, Korea, Fax: (+82) 2-2123-2434

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Naoya Yoshida Dr.

Naoya Yoshida Dr.

Department of Chemistry, Graduate School of Science, Kyoto University, and, Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Corporation, Sakyo-ku, Kyoto 606–8502, Japan, Fax: (+81) 75-753-3970

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Atsuhiro Osuka Prof.

Atsuhiro Osuka Prof.

Department of Chemistry, Graduate School of Science, Kyoto University, and, Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Corporation, Sakyo-ku, Kyoto 606–8502, Japan, Fax: (+81) 75-753-3970

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First published: 17 June 2003
Citations: 8

The work at Yonsei University was financially supported by the Creative Research Initiatives Program of the Ministry of Science and Technology of Korea. N.Y. thanks the JSPS Research Fellowship for Young Scientists.

Graphical Abstract

Der Diederwinkel in meso-meso-verknüpften ZnII-Diporphyrinen wird durch verbrückende Koordination von 1,7-Diaminoheptan an beide Zinkzentren eingestellt (siehe Bild). Als Folge dieser mechanischen Einschränkung wird die Energie des S1-Zustands der Zinkdiporphyrin-Einheit abgesenkt, und die Richtung des Energietransfers im angeregten Zustand kehrt sich um; der Prozess kann durch Zugabe von Essigsäure rückgängig gemacht werden.

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