Charge‐transfer and spin‐flip states: Thriving as complements

WR Kitzmann, K Heinze - Angewandte Chemie International …, 2023‏ - Wiley Online Library
Transition metal complexes with photoactive charge‐transfer excited states are pervasive
throughout the literature. In particular,[Ru (bpy) 3] 2+(bpy= 2, 2′‐bipyridine), with its metal …

[HTML][HTML] Understanding and exploiting long-lived near-infrared emission of a molecular ruby

S Otto, M Dorn, C Förster, M Bauer, M Seitz… - Coordination Chemistry …, 2018‏ - Elsevier
Enabling strong and long-lived NIR emission from complexes with earth-abundant metal
ions is exemplified by embedding chromium (III) in a very strong ligand field yielding the …

Strongly Red-Emissive Molecular Ruby [Cr(bpmp)2]3+ Surpasses [Ru(bpy)3]2+

F Reichenauer, C Wang, C Forster… - Journal of the …, 2021‏ - ACS Publications
Gaining chemical control over the thermodynamics and kinetics of photoexcited states is
paramount to an efficient and sustainable utilization of photoactive transition metal …

[Cr(ddpd)2]3+: A Molecular, Water‐Soluble, Highly NIR‐Emissive Ruby Analogue

S Otto, M Grabolle, C Förster, C Kreitner… - Angewandte Chemie …, 2015‏ - Wiley Online Library
Bright, long‐lived emission from first‐row transition‐metal complexes is very challenging to
achieve. Herein, we present a new strategy relying on the rational tuning of energy levels …

Ferrous and ferric complexes with cyclometalating N-heterocyclic carbene ligands: a case of dual emission revisited

CE Johnson, J Schwarz, M Deegbey, O Prakash… - Chemical …, 2023‏ - pubs.rsc.org
Iron N-heterocyclic carbene (FeNHC) complexes with long-lived charge transfer states are
emerging as a promising class of photoactive materials. We have synthesized [FeII (ImP) …

Bis (tridentate) ruthenium–terpyridine complexes featuring microsecond excited-state lifetimes

DG Brown, N Sanguantrakun, B Schulze… - Journal of the …, 2012‏ - ACS Publications
A series of heteroleptic bis (tridentate) ruthenium (II) complexes, each bearing a substituted
2, 2′: 6′, 2 ″-terpyridine (terpy) ligand, is characterized by room temperature …

Luminescence and light‐driven energy and electron transfer from an exceptionally long‐lived excited state of a non‐innocent chromium (III) complex

S Treiling, C Wang, C Förster… - Angewandte Chemie …, 2019‏ - Wiley Online Library
Photoactive metal complexes employing Earth‐abundant metal ions are a key to sustainable
photophysical and photochemical applications. We exploit the effects of an inversion center …

Deuterated molecular ruby with record luminescence quantum yield

C Wang, S Otto, M Dorn, E Kreidt… - Angewandte Chemie …, 2018‏ - Wiley Online Library
The recently reported luminescent chromium (III) complex 13+([Cr (ddpd) 2] 3+; ddpd= N,
N′‐dimethyl‐N, N′‐dipyridine‐2‐yl‐pyridine‐2, 6‐diamine) shows exceptionally strong …

Long‐Wavelength Light‐Emitting Electrochemical Cells: Materials and Device Engineering

YD Lin, CW Lu, HC Su - Chemistry–A European Journal, 2023‏ - Wiley Online Library
Long‐wavelength light‐emitting electrochemical cells (LECs) are potential deep‐red and
near infrared light sources with solution‐processable simple device architecture, low …

Direct determination of the rate of intersystem crossing in a near-IR luminescent Cr (III) triazolyl complex

RW Jones, AJ Auty, G Wu, P Persson… - Journal of the …, 2023‏ - ACS Publications
A detailed understanding of the dynamics of photoinduced processes occurring in the
electronic excited state is essential in informing the rational design of photoactive transition …