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Design and synthesis of photoactive iron n-heterocyclic carbene complexes

Kaufhold, Simon LU orcid and Wärnmark, Kenneth LU (2020) In Catalysts 10(1).
Abstract

The use of iron in photoactive metal complexes has been investigated for decades. In this respect, the charge transfer (CT) states are of particular interest, since they are usually responsible for the photofunctionality of such compounds. However, only recently breakthroughs have been made in extending CT excited state lifetimes that are notoriously short-lived in classical polypyridine iron coordination compounds. This success is in large parts owed to the use of strongly σ-donating N-heterocyclic carbene (NHC) ligands that help manipulating the photophysical and photochemical properties of iron complexes. In this review we aim to map out the basic design principles for the generation of photofunctional iron NHC complexes, summarize... (More)

The use of iron in photoactive metal complexes has been investigated for decades. In this respect, the charge transfer (CT) states are of particular interest, since they are usually responsible for the photofunctionality of such compounds. However, only recently breakthroughs have been made in extending CT excited state lifetimes that are notoriously short-lived in classical polypyridine iron coordination compounds. This success is in large parts owed to the use of strongly σ-donating N-heterocyclic carbene (NHC) ligands that help manipulating the photophysical and photochemical properties of iron complexes. In this review we aim to map out the basic design principles for the generation of photofunctional iron NHC complexes, summarize the progress made so far and recapitulate on the synthetic methods used. Further, we want to highlight the challenges still existing and give inspiration for future generations of photoactive iron complexes.

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author
and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Coordination chemistry, Iron, N-heterocyclic carbenes, NHCs, Photochemistry, Photophysics
in
Catalysts
volume
10
issue
1
article number
132
publisher
MDPI AG
external identifiers
  • scopus:85078494111
ISSN
2073-4344
DOI
10.3390/catal10010132
language
English
LU publication?
yes
id
70dbd1a7-c6f4-4be5-98e4-622f6d9cf5d5
date added to LUP
2020-02-10 11:51:55
date last changed
2023-11-19 23:28:54
@article{70dbd1a7-c6f4-4be5-98e4-622f6d9cf5d5,
  abstract     = {{<p>The use of iron in photoactive metal complexes has been investigated for decades. In this respect, the charge transfer (CT) states are of particular interest, since they are usually responsible for the photofunctionality of such compounds. However, only recently breakthroughs have been made in extending CT excited state lifetimes that are notoriously short-lived in classical polypyridine iron coordination compounds. This success is in large parts owed to the use of strongly σ-donating N-heterocyclic carbene (NHC) ligands that help manipulating the photophysical and photochemical properties of iron complexes. In this review we aim to map out the basic design principles for the generation of photofunctional iron NHC complexes, summarize the progress made so far and recapitulate on the synthetic methods used. Further, we want to highlight the challenges still existing and give inspiration for future generations of photoactive iron complexes.</p>}},
  author       = {{Kaufhold, Simon and Wärnmark, Kenneth}},
  issn         = {{2073-4344}},
  keywords     = {{Coordination chemistry; Iron; N-heterocyclic carbenes; NHCs; Photochemistry; Photophysics}},
  language     = {{eng}},
  number       = {{1}},
  publisher    = {{MDPI AG}},
  series       = {{Catalysts}},
  title        = {{Design and synthesis of photoactive iron n-heterocyclic carbene complexes}},
  url          = {{http://dx.doi.org/10.3390/catal10010132}},
  doi          = {{10.3390/catal10010132}},
  volume       = {{10}},
  year         = {{2020}},
}