Issue 1, 2010
From the journal:

New Journal of Chemistry

Convergent synthesis and light harvesting properties of dendritic boradiazaindacene (BODIPY) appended perylenediimidedyes

O. Altan Bozdemir,a   M. Deniz Yilmaz,b   Onur Buyukcakir,a   Aleksander Siemiarczuk,c   Mehmet Tutasd  and  Engin U. Akkaya*a  

* Corresponding authors

a Department of Chemistry and UNAM-Institute of Material Science and Nanotechnology, Bilkent University, 06800 Ankara, Turkey
E-mail: eua@fen.bilkent.edu.tr
Fax: +90 312 266 4068
Tel: +90 312 290 2450

b Department of Chemistry, Middle East Technical University, 06531 Ankara, Turkey

c PTI Fast Kinetics Laboratory, 347 Consortium Court, London, Ontario, Canada

d Department of Chemistry, Faculty of Arts and Science, Akdeniz University, Antalya, Turkey

Abstract

A convergent synthesis methodology, together with “click-chemistry” between azides and terminal alkynes, allows straighforward access to dendritic light harvesting systems. The novel dendrimer reported in this study has eight boradiazaindacene (BODIPY) units at the periphery and a perylenediimide (PDI) dye at the core. We have demonstrated that visible light is effectively collected as a result of the large absorption cross section of the dendrimer and efficiently channeled to the core PDI unit, resulting in a significant antenna effect. While being one of the very few energy transfer systems with a BODIPY and PDI chromophore pair, this novel dendritic molecule is one of the most efficient in light harvesting. The factors that may play important roles as the generation number increases also become apparent when emission characteristics were analyzed in comparison with a lower generation dendrimer.

Graphical abstract: Convergent synthesis and light harvesting properties of dendritic boradiazaindacene (BODIPY) appended perylenediimide dyes

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Article information

DOI
https://doi.org/10.1039/B9NJ00380K
Article type
Paper
Submitted
31 Jul 2009
Accepted
27 Sep 2009
First published
03 Nov 2009

New J. Chem., 2010,34, 151-155

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Convergent synthesis and light harvesting properties of dendritic boradiazaindacene (BODIPY) appended perylenediimide dyes

O. A. Bozdemir, M. D. Yilmaz, O. Buyukcakir, A. Siemiarczuk, M. Tutas and E. U. Akkaya, New J. Chem., 2010, 34, 151 DOI: 10.1039/B9NJ00380K

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