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Photochemistry in Asia—Second Edition

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Photochemistry".

Deadline for manuscript submissions: 31 August 2026 | Viewed by 676

Editor


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Guest Editor
State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
Interests: photochemistry; photophysics; charge separation; intersystem crossing; electron transfer; photopolymerization
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Special Issue Information

Dear Colleagues,

Photochemistry is a branch of chemistry with strong connections to a wide range of scientific fields, including physics, organic and inorganic chemistry, material science, biology, and medicine. Key areas of photochemical research include the study of photon absorption, energy transfer, electron transfer, and the dynamics of excited states. Advanced photocatalysts are a major focus in the area of photochemistry due to their potential applications in solar energy conversion, environmental remediation, and synthetic chemistry.

Interdisciplinary collaboration, combining knowledge from chemistry, physics, and material science, is crucial for addressing complex photochemical challenges. Recent advances in spectroscopic techniques and computational modelling provide deeper insights into the fundamental aspects of photochemistry.

Photochemistry in Asia has been an active field for decades. Following the success of the first edition of this Special Issue, it is our pleasure to announce the second edition titled “Photochemistry in Asia—Second Edition”. This Special Issue will present a high-quality collection comprising works from scientists in Asian countries. We welcome both original research articles and comprehensive review papers.

Prof. Dr. Jianzhang Zhao
Guest Editor

Manuscript Submission Information

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Keywords

  • photochemistry
  • photophysics
  • photocatalysts
  • synthetic photochemistry
  • photoelectrochemistry
  • computational photochemistry
  • luminescent molecular sensors
  • nanomaterials
  • electron transfer
  • energy transfer

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Published Papers (1 paper)

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Research

20 pages, 9905 KB  
Article
Preparation and Photophysical Study of Rhodamine–Perylenebisimide Electron Donor–Acceptor Dyad/Triads Containing Flexible Linkers
by Xin Guan, Haotian Bai, Jianzhang Zhao and Yan Wan
Molecules 2026, 31(11), 1859; https://doi.org/10.3390/molecules31111859 - 28 May 2026
Viewed by 342
Abstract
We report the synthesis and characterization of the photophysical characterization of a series of rhodamine (Rho)–perylenebisimide (PBI) electron donor–acceptor dyad/triads containing flexible alkyl spacers (ethylene or hexylene chains). Steady-state absorption and emission, femtosecond and nanosecond transient absorption (fs-TA and ns-TA), cyclic voltammetry, triplet–triplet [...] Read more.
We report the synthesis and characterization of the photophysical characterization of a series of rhodamine (Rho)–perylenebisimide (PBI) electron donor–acceptor dyad/triads containing flexible alkyl spacers (ethylene or hexylene chains). Steady-state absorption and emission, femtosecond and nanosecond transient absorption (fs-TA and ns-TA), cyclic voltammetry, triplet–triplet energy transfer (TTET) experiments and DFT/TD-DFT calculations were combined to elucidate the excited-state dynamics. fs-TA spectral study indicates fast decay of the S1 state and formation of the 3PBI state (0.32–663 ps), which is supported by the ns-TA spectra. The localized PBI triplet (3PBI*) exhibits unusually long lifetimes (up to 272 μs) as determined by the TTET experiment. No long-lived charge-separated (CS) state was observed. While a Förster resonance energy transfer (FRET) probably occurs between PBI and the open-ring rhodamine, a photo-induced electron transfer is proposed to be responsible for the quenching of the fluorescence of the PBI moiety. Full article
(This article belongs to the Special Issue Photochemistry in Asia—Second Edition)
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