Issue 16, 2008
From the journal:

Chemical Communications

Fast energy transfer within a self-assembled cyclic porphyrin tetramer†

Rebecca A. Jensen,ab   Richard F. Kelley,ab   Suk Joong Lee,ab   Michael R. Wasielewski,*ab   Joseph T. Hupp*ab  and  David M. Tiedebc  

* Corresponding authors

a Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, USA
E-mail: j-hupp@northwestern.edu, m-wasielewski@northwestern.edu
Fax: +1-847-467-1425
Tel: +1-847-491-3504

b Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, 2145 Sheridan Road, Evanston, USA

c Chemistry Division, Argonne National Laboratory, Argonne, USA

Abstract

The structure of a cyclic self-assembled tetramer of an asymmetric meso-ethynylpyridyl-functionalized Zn(II)–porphyrin was established by solution-phase X-ray scattering and diffraction; femtosecond transient absorption and anisotropy spectroscopies were used to (a) observe rapid energy transfer (3.8 ps−1) between porphyrin subunits and (b) establish that the transfer occurs between adjacent units.

Graphical abstract: Fast energy transfer within a self-assembled cyclic porphyrin tetramer

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Article information

DOI
https://doi.org/10.1039/B718628B
Article type
Communication
Submitted
03 Dec 2007
Accepted
27 Feb 2008
First published
20 Mar 2008

Chem. Commun., 2008, 1886-1888

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Fast energy transfer within a self-assembled cyclic porphyrin tetramer

R. A. Jensen, R. F. Kelley, S. Joong Lee, M. R. Wasielewski, J. T. Hupp and D. M. Tiede, Chem. Commun., 2008, 1886 DOI: 10.1039/B718628B

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