Photoactive Metal-to-Ligand Charge Transfer Excited States in 3d6 Complexes with Cr0, MnI, FeII, and CoIII

N Sinha, OS Wenger - Journal of the American Chemical Society, 2023 - ACS Publications
Many coordination complexes and organometallic compounds with the 4d6 and 5d6
valence electron configurations have outstanding photophysical and photochemical …

The great strides of iron photosensitizers for contemporary organic photoredox catalysis: On our way to the holy grail?

F Glaser, A Aydogan, B Elias… - Coordination Chemistry …, 2024 - Elsevier
The scarcity of 2 nd and 3 rd row transition metals such as ruthenium, iridium, rhodium and
osmium, coupled with a global desire for sustainable chemistry has led to the resurgence of …

Photoactive iron complexes: more sustainable, but still a challenge

P Dierks, Y Vukadinovic, M Bauer - Inorganic Chemistry Frontiers, 2022 - pubs.rsc.org
On transition metals such as iron rests lots of hope to replace precious metal catalysts in the
field of photochemistry for a more sustainable future. Indeed, significant progress has been …

First‐Row d6 Metal Complex Enables Photon Upconversion and Initiates Blue Light‐Dependent Polymerization with Red Light

C Wang, C Wegeberg, OS Wenger - Angewandte Chemie, 2023 - Wiley Online Library
Photosensitizers for sensitized triplet‐triplet annihilation upconversion (sTTA‐UC) often rely
on precious heavy metals, whereas coordination complexes based on abundant first‐row …

H8[PV5Mo7O40] – A Unique Polyoxometalate for Acid and RedOx Catalysis: Synthesis, Characterization, and Modern Applications in Green Chemical Processes

JC Raabe, MJ Poller, D Voß, J Albert - ChemSusChem, 2023 - Wiley Online Library
Polyoxometalates (POMs) are a fascinating group of anionic metal‐oxide clusters with a
broad variety of structural properties and several catalytic applications, especially in the …

A Tetracarbene Iron (II) Complex with a Long‐lived Triplet Metal‐to‐Ligand Charge Transfer State due to a Triplet‐Triplet Barrier

T Reuter, D Zorn, R Naumann, J Klett… - Angewandte Chemie …, 2024 - Wiley Online Library
Mixed N‐heterocyclic carbene (NHC)/pyridyl iron (II) complexes have attracted a great deal
of attention recently because of their potential as photocatalysts and light sensitizers made …

Multifaceted Deactivation Dynamics of Fe(II) N-Heterocyclic Carbene Photosensitizers

L Lindh, T Pascher, S Persson, Y Goriya… - The Journal of …, 2023 - ACS Publications
Excited state dynamics of three iron (II) carbene complexes that serve as prototype Earth-
abundant photosensitizers were investigated by ultrafast optical spectroscopy. Significant …

Ultrafast Spectroscopy of Fe (II) Complexes Designed for Solar‐Energy Conversion: Current Status and Open Questions

C Cebrián, M Pastore, A Monari, X Assfeld… - …, 2022 - Wiley Online Library
One major challenge of future sustainable photochemistry is to replace precious and rare
transition metals in applications such as energy conversion or electroluminescence by earth …

Higher MLCT lifetime of carbene iron (II) complexes by chelate ring expansion

T Reuter, A Kruse, R Schoch, S Lochbrunner… - Chemical …, 2021 - pubs.rsc.org
Combining strong σ-donating N-heterocyclic carbene ligands and π-accepting pyridine
ligands with a high octahedricity in rigid iron (II) complexes increases the 3MLCT lifetime …

Femtosecond Infrared Spectroscopy Resolving the Multiplicity of High-Spin Crossover States in Transition Metal Iron Complexes

C Zahn, M Pastore, JLP Lustres, PC Gros… - Journal of the …, 2024 - ACS Publications
Tuning the photophysical properties of iron-based transition-metal complexes is crucial for
their employment as photosensitizers in solar energy conversion. For the optimization of …