Properties and applications of photoexcited chromophore–radical systems

T Quintes, M Mayländer, S Richert - Nature Reviews Chemistry, 2023 - nature.com
Photoexcited organic chromophore–radical systems hold great promise for a range of
technological applications in molecular spintronics, including quantum information …

Functional singlet oxygen generators based on phthalocyanines

K Ishii - Coordination Chemistry Reviews, 2012 - Elsevier
This review summarizes recent studies on functional singlet oxygen (1Δg) generators based
on phthalocyanines (Pcs). Singlet oxygen (1Δg) is useful for application in photodynamic …

Exploring photogenerated molecular quartet states as spin qubits and qudits

M Maylander, S Chen, ER Lorenzo… - Journal of the …, 2021 - ACS Publications
Photogenerated molecular spin systems hold great promise for applications in quantum
information science because they can be prepared in well-defined spin states at modest …

Accessing the triplet state of perylenediimide by radical-enhanced intersystem crossing

M Mayländer, O Nolden, M Franz, S Chen… - Chemical …, 2022 - pubs.rsc.org
Owing to their exceptional photophysical properties and high photostability, perylene
diimide (PDI) chromophores have found various applications as building blocks of materials …

Excited‐State Dynamics of Non‐Luminescent and Luminescent π‐Radicals

Y Teki - Chemistry–A European Journal, 2020 - Wiley Online Library
Recently, the potential use of organic π‐radicals and related spin systems has been
expanded to modern technological applications. The unique excited‐state dynamics of …

Ultrafast intersystem crossing and spin dynamics of photoexcited perylene-3, 4: 9, 10-bis (dicarboximide) covalently linked to a nitroxide radical at fixed distances

EM Giacobbe, Q Mi, MT Colvin, B Cohen… - Journal of the …, 2009 - ACS Publications
Time-resolved transient optical absorption and EPR (TREPR) spectroscopies are used to
probe the interaction of the lowest excited singlet state of perylene-3, 4: 9, 10-bis …

π-Topology and Spin Alignment Utilizing the Excited Molecular Field:  Observation of the Excited High-Spin Quartet (S = 3/2) and Quintet (S = 2) States on Purely …

Y Teki, S Miyamoto, M Nakatsuji… - Journal of the American …, 2001 - ACS Publications
As a model system for the photoinduced/photoswitched spin alignment in a purely organic π-
conjugated spin system, 9-[4-(4, 4, 5, 5-tetramethyl-1-yloxyimidazolin-2-yl) phenyl] …

Open-shell organic semiconductors: an emerging class of materials with novel properties

Y Huang, E Egap - Polymer Journal, 2018 - nature.com
Organic materials with unpaired electrons along with the discovery of their unique properties
have fascinated scientists for over a century. The development of open-shell molecules has …

Competitive electron transfer and enhanced intersystem crossing in photoexcited covalent TEMPO− perylene-3, 4: 9, 10-bis (dicarboximide) dyads: unusual spin …

MT Colvin, EM Giacobbe, B Cohen… - The Journal of …, 2010 - ACS Publications
A stable 2, 2, 6, 6-tetramethyl-1-piperidinyloxyl (TEMPO) radical was covalently attached at
its 4-position to the imide nitrogen atom of a perylene-3, 4: 9, 10-bis (dicarboximide)(PDI) to …

Dual Chromophore‐Nitroxides: Novel Molecular Probes, Photochemical and Photophysical Models and Magnetic Materials

GI Likhtenstein, K Ishii… - Photochemistry and …, 2007 - Wiley Online Library
Over the last decades scientists have faced growing requirements in novel methods of fast
and sensitive analysis of antioxidant status of biological systems, spin redox probing and …