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Tetrathiafulvalenes as π‐Electron Donors for Intramolecular Charge‐Transfer Materials

Tetrathiafulvalenes as π‐Electron Donors for Intramolecular Charge‐Transfer Materials Although tetrathiafulvalene (TTF) and its derivatives have been extensively studied for more than 25 years as π‐electron donors in intermolecular charge‐transfer materials, the intriguing potential of TTF as a donor in an intramolecular sense has only recently been developed. Many versatile, functionalized TTF building blocks are now readily available, and this article will review a range of compounds in which TTF is covalently linked to an electron acceptor moiety by a variety of linking units, sometimes giving rise to an intramolecular charge‐transfer (ICT) interaction, which is most frequently manifested in the optical and electrochemical properties. In this context, acceptor subunits include: tetracyano‐p‐quinodimethane, quinones, electron‐deficient aryl groups, pyridinium and bipyridinium units, fullerenes, phthalocyanines, and mesomerically conjugated carbonyl, thiocarbonyl, ester, and related groups. This work paves the way for more systematic and detailed studies of TTF–spacer–A molecules (where A is an acceptor) in which there is increased control of the structural, electronic, optical, and magnetic properties arising from ICT interactions in the ground state, or in the excited state. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Materials Wiley

Tetrathiafulvalenes as π‐Electron Donors for Intramolecular Charge‐Transfer Materials

Bryce, Martin R.
Advanced Materials , Volume 11 (1) – Jan 1, 1999
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Publisher
Wiley
Copyright
© 1999 WILEY‐VCH Verlag GmbH, Weinheim, Fed. Rep. of Germany
ISSN
0935-9648
eISSN
1521-4095
DOI
10.1002/(SICI)1521-4095(199901)11:1<11::AID-ADMA11>3.0.CO;2-3
Publisher site
See Article on Publisher Site

Abstract

Although tetrathiafulvalene (TTF) and its derivatives have been extensively studied for more than 25 years as π‐electron donors in intermolecular charge‐transfer materials, the intriguing potential of TTF as a donor in an intramolecular sense has only recently been developed. Many versatile, functionalized TTF building blocks are now readily available, and this article will review a range of compounds in which TTF is covalently linked to an electron acceptor moiety by a variety of linking units, sometimes giving rise to an intramolecular charge‐transfer (ICT) interaction, which is most frequently manifested in the optical and electrochemical properties. In this context, acceptor subunits include: tetracyano‐p‐quinodimethane, quinones, electron‐deficient aryl groups, pyridinium and bipyridinium units, fullerenes, phthalocyanines, and mesomerically conjugated carbonyl, thiocarbonyl, ester, and related groups. This work paves the way for more systematic and detailed studies of TTF–spacer–A molecules (where A is an acceptor) in which there is increased control of the structural, electronic, optical, and magnetic properties arising from ICT interactions in the ground state, or in the excited state.

Journal

Advanced Materials – Wiley

Published: Jan 1, 1999

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