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Photo-Induced Energy and Electron Transfer in Molecular Materials

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

Deadline for manuscript submissions: closed (30 November 2020) | Viewed by 4431

Special Issue Editor


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Guest Editor
School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
Interests: supramolecular photochemistry and photophysics; host–guest systems; porous materials; energy conversion; natural and artificial photosynthesis; exciton–plasmon interactions; time-resolved UV-visible spectroscopy; light-emitting devices

Special Issue Information

Dear Colleagues,

The last few decades have seen impressive progress in the development of molecular and supramolecular systems for light-energy conversion. Through a combination of synthetic strategies from organic and inorganic chemistry to more recently, synthetic biology, new materials have been realised where light can drive efficient energy and electron transfer with selected directionality and scope beyond the reach of single molecules. Considering that understanding and manipulating such photo-induced processes takes on fundamental importance for applications in solar-driven technologies, this Special Issue aims to stimulate the publication of high-quality research articles, reporting the latest achievements in the design and study of new molecular materials that act as light-harvesters and reaction centres. Contributions are particularly welcome within the broad context of artificial photosynthesis, with the major focus on innovative synthetic routes, elucidation of transfer mechanisms and potential practical exploitation.

Dr. Fabio Cucinotta
Guest Editor

Manuscript Submission Information

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Keywords

  • Energy transfer
  • Electron transfer
  • Molecular and supramolecular systems
  • Solar energy applications
  • Artificial photosynthesis

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Published Papers (1 paper)

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Research

12 pages, 2791 KiB  
Article
Visible-Light-Curable Solvent-Free Acrylic Pressure-Sensitive Adhesives via Photoredox-Mediated Radical Polymerization
by Jong-Ho Back, Yonghwan Kwon, Hyun-Joong Kim, Youngchang Yu, Wonjoo Lee and Min Sang Kwon
Molecules 2021, 26(2), 385; https://doi.org/10.3390/molecules26020385 - 13 Jan 2021
Cited by 18 | Viewed by 4072
Abstract
Owing to their excellent properties, such as transparency, resistance to oxidation, and high adhesivity, acrylic pressure-sensitive adhesives (PSAs) are widely used. Recently, solvent-free acrylic PSAs, which are typically prepared via photopolymerization, have attracted increasing attention because of the current strict environmental regulations. UV [...] Read more.
Owing to their excellent properties, such as transparency, resistance to oxidation, and high adhesivity, acrylic pressure-sensitive adhesives (PSAs) are widely used. Recently, solvent-free acrylic PSAs, which are typically prepared via photopolymerization, have attracted increasing attention because of the current strict environmental regulations. UV light is commonly used as an excitation source for photopolymerization, whereas visible light, which is safer for humans, is rarely utilized. In this study, we prepared solvent-free acrylic PSAs via visible light-driven photoredox-mediated radical polymerization. Three α-haloesters were used as additives to overcome critical shortcomings, such as the previously reported low film curing rate and poor transparency observed during additive-free photocatalytic polymerization. The film curing rate was greatly increased in the presence of α-haloesters, which lowered the photocatalyst loadings and, hence, improved the film transparency. These results confirmed that our method could be widely used to prepare general-purpose solvent-free PSAs—in particular, optically clear adhesives for electronics. Full article
(This article belongs to the Special Issue Photo-Induced Energy and Electron Transfer in Molecular Materials)
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