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30th Anniversary of Molecules: Recent Advances in Photochemistry

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

Deadline for manuscript submissions: 30 June 2026 | Viewed by 592

Special Issue Editors


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Guest Editor
Institute for NanoScale Science and Technology, Medical Device Research Institute, College of Science and Engineering, Flinders University, Adelaide, SA 5042, Australia
Interests: biomaterials; chemosensors/biosensors and their associated portable devices; novel aggregation-induced emission features
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Guest Editor
Department of Botany, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Interests: plant ecophysiology; photosynthesis; biotic stress; abiotic stress; antioxidative mechanisms; photoprotective mechanisms; reactive oxygen species
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Molecules has reached a remarkable milestone this year by publishing its 30th volume, and to celebrate this special occasion we have launched a Special Issue devoted to Photochemistry entitled “30th Anniversary of Molecules: Recent Advances in Photochemistry”.

On behalf of the members of the Editorial Board created for the occasion, I would like invite all groups involved in the field to submit their cutting-edge research. This Special Issue will consist of comprehensive reviews and original research articles featuring important and recent developments in all areas of photochemistry.

We sincerely hope that your paper can be included in this Special Issue to commemorate the 30th Anniversary of Molecules.

Prof. Dr. Marcelo Guzman
Prof. Dr. Youhong Tang
Prof. Dr. Michael Moustakas
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • organic photochemistry synthetic photochemistry
  • photocatalysis
  • photofunctionalization
  • photobiology
  • medicinal photochemistry
  • computational photochemistry
  • photoelectrochemistry
  • solar energy conversion
  • condensed and gas phase photochemistry
  • polymer photochemistry
  • supramolecular photochemistry
  • photochromism
  • luminescent sensors
  • photochemistry for environmental remediation

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Published Papers (1 paper)

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Research

12 pages, 699 KiB  
Article
Large Enhancement of the Luminescence Properties of an Eu(III) Dye upon Association with the DNA-CTMA Matrix
by Daniele Marinotto, Cosmina Andreea Marin, Ileana Rau, Alessia Colombo, Francesco Fagnani, Dominique Roberto and Claudia Dragonetti
Molecules 2025, 30(6), 1395; https://doi.org/10.3390/molecules30061395 - 20 Mar 2025
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Abstract
In this study, the photophysical properties of thin films of an Eu3+ dye, namely europium tetrakis(dibenzoylmethide) triethylammonium (EuD4TEA), within deoxyribonucleic acid (DNA) biopolymer functionalized with hexadecyltrimethylammonium chloride (CTMA) were extensively investigated and compared with those of thin films of the [...] Read more.
In this study, the photophysical properties of thin films of an Eu3+ dye, namely europium tetrakis(dibenzoylmethide) triethylammonium (EuD4TEA), within deoxyribonucleic acid (DNA) biopolymer functionalized with hexadecyltrimethylammonium chloride (CTMA) were extensively investigated and compared with those of thin films of the same dye embedded in more conventional polymers, like poly(methyl methacrylate) and polycarbonate. The new materials obtained have good optical properties, as shown by their absorption and emission spectra. Remarkably, a large enhancement in photoluminescence was observed upon the interaction of EuD4TEA with DNA-CTMA (2- and 17-fold increase in luminescence quantum yield with respect to PMMA and PC). Photophysical analyses suggest that the emission enhancement was mainly due to the increase in the sensitization efficiency (ηsens) from the ligands to the Eu3+ ion along with the suppression of the vibrational deactivation upon immobilization onto the DNA-CTMA matrix, as the concentration of the complex increased from 20 to 50%. These phenomena are primarily driven by the transformation of the Eu3+ micro-environments, which are created by the interactions between complex ligands and the DNA-CTMA matrix. Full article
(This article belongs to the Special Issue 30th Anniversary of Molecules: Recent Advances in Photochemistry)
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