Results 21 to 30 of about 9,652 (250)
Kinetic prediction of reverse intersystem crossing in organic donor–acceptor molecules
Nature Communications, 2020 Understanding and predicting the kinetics of reverse intersystem crossing (RISC) facilitates the design of materials. Here, the authors demonstrate a theoretical expression that reproduces experimental RISC rate constants ranging over five orders of ...
Naoya Aizawa +3 more
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Unveiling the concentration dependent direct triplet formation via singlet fission in a tetracene derivative [PDF]
EPJ Web of Conferences, 2019 Singlet fission is slowed down on diffusional timescales in highly concentrated solutions compared to thin films for a tetracene-like molecule. The underlying mechanism suggests competing intersystem crossing and singlet fission, where in the latter ...
Wollscheid Nikolaus +6 more
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Frontiers in Chemistry, 2022 In this work, we have investigated several pure organic room temperature phosphorescent materials with donor-methylene acceptor configurations with relatively different quantum efficiency.
Jian Wang
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Effect of temperature on rate of the spin-forbidden transition in uracil and thymine [PDF]
Journal of the Serbian Chemical Society, 2013 The intersystem crossing rates of uracil and thymine molecules in interaction with the heat bath were studied by means of the ab initio methods. The rates were calculated employing the time-dependent approach based on the correlation function.
Etinski Mihajlo
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Molecules, 2016 In this work, the synthesis and the nonlinear absorption and population dynamics investigation of a series of zinc phthalocyanines (ZnPcs) dissolved in chloroform are reported.
Leandro Henrique Zucolotto Cocca +9 more
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Nature Communications, 2022 Organic room-temperature phosphorescence (RTP) materials often suffer from poor processability because of their crystalline or cross-linked nature.
Xin Zhang +5 more
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Internal Conversion vs. Intersystem Crossing – What Drives the Dynamics of Cyclic α,β-Enones?
EPJ Web of Conferences, 2013 The origin of ultrafast intersystem crossing and its competitiveness with singlet pathways was studied in cyclic α,β-enones by transient absorption, time-resolved photoelectron spectroscopy and ab initio calculations.
Riedle E. +6 more
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Singlet Fission, Polaron Generation and Intersystem Crossing in Hexaphenyl Film
Molecules, 2022 The ultrafast dynamics of triplet excitons and polarons in hexaphenyl film was investigated by time-resolved fluorescence and femtosecond transient absorption techniques under various excitation photon energies. Two distinct pathways of triplet formation
Wenjun Ni +4 more
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Intersystem Crossing Processes of Acridine [PDF]
Bulletin of the Chemical Society of Japan, 1977 Abstract The T1(π, π*)→T3(π, π*) absorption of acridine has first been observed at about 985 nm in ethanol. Temperature dependences of the fluorescence lifetime and the triplet yield of acridine were investigated in poly(vinyl alcohol) film, and it was found that the intersystem crossing from the first excited singlet state S1(π, π*) to ...
Koichi Kikuchi +3 more
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Advanced Science, 2022 Upconverted reactive oxygen species (ROS) photosensitization with one‐photon excitation mode is a promising tactic to elongate the excitation wavelengths of photosensitive dyes to near‐infrared (NIR) light region without the requirement of coherent high ...
Xueze Zhao +8 more
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