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Synthesis and Characterization of Extended Bis(terpyridine)ruthenium Amino Acids
Author(s) -
Heinze Katja,
Hempel Klaus,
Breivogel Aaron
Publication year - 2009
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.200900303
Subject(s) - terpyridine , ruthenium , chemistry , photochemistry , absorption spectroscopy , polymer chemistry , absorption (acoustics) , combinatorial chemistry , materials science , metal , organic chemistry , catalysis , physics , quantum mechanics , composite material
(Oligopyridine)ruthenium(II) complexes have been widely used in dye sensitized solar cells and other sophisticated optical devices due to their outstanding photophysical properties and their chemical stability. Herein, we describe the longitudinal extension of our previously reported bis(terpyridine)ruthenium(II) amino acid [Ru(tpy–NH 2 )(tpy–COOH)] 2+ (tpy = 4′‐substituted 2,2′:6′,2″‐terpyridine) by insertion of para ‐phenylene spacers –C 6 H 4 – between the terpyridine and the functional groups. The influence of the para ‐phenylene spacer on the absorption and emission properties is investigated using UV/Vis absorption and emission spectroscopy and is discussed within a qualitative molecular orbital picture.