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Photoactive/Photosensitive Materials and Composites: Properties and Applications

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Composites".

Deadline for manuscript submissions: closed (20 May 2024) | Viewed by 917

Special Issue Editor


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Guest Editor
Institute of Catalysis Bulgarian Academy of Sciences, Sofia, Bulgaria
Interests: photochromism; dyes; spirooxazines; coordination chemistry

Special Issue Information

Dear Colleagues,

Photoactive and photosensitive materials are materials that can undergo rapid physical and chemical changes in a relatively short period of time upon interaction with light. They have attracted considerable attention due to their unique properties and variety of applications in various fields and technologies, including optical data storage, displays, eye‐protecting glasses and ophthalmic lenses, smart windows and sensors, stimuli-responsive polymers, anti-counterfeiting inks, UV printing, QR codes, photochromic fingerprints, metal ion detection, UV sensing smart textiles, and photoswitchable fluorescent nanoparticles for ultrahigh-resolution imaging. The design and development of new photoactive and photosensitive materials will help to solve the problems that have arisen with the development of new technologies.

This Special Issue is open to all advances in fluorescent, phosphorescent, and electroluminescent materials, as well as recent progress in the development of photosensitive materials based on photochromic dyes. We invite submissions of novel and original experimental or theoretical research as well as reviews that expand our understanding of light interaction and the synthesis and application of photoactive and photosensitive materials.

Dr. Stela Minkovska
Guest Editor

Manuscript Submission Information

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Keywords

  • photoactive
  • photosensitive
  • photoresponsive
  • photochromic
  • photoswitchable
  • chemosensors
  • nanocomposites
  • smart materials

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Published Papers (1 paper)

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Research

23 pages, 7262 KiB  
Article
New Insights into the Application of Biocompatible (Un)Modified TiO2 and TiO2-ZrO2 Oxide Fillers in Light-Curing Materials
by Katarzyna Siwińska-Ciesielczyk, Angelika Andrzejczak, Teofil Jesionowski, Łukasz Gierz, Agnieszka Marcinkowska and Mariola Robakowska
Materials 2024, 17(12), 2908; https://doi.org/10.3390/ma17122908 - 14 Jun 2024
Viewed by 589
Abstract
A novel UV-light-curable poly(ethylene glycol) diacrylate matrix composite material with unmodified and methacryloxyl-grafted TiO2 and TiO2-ZrO2 systems was developed and tested as a potential coating material for medical components. The main goal of the research was to evaluate how [...] Read more.
A novel UV-light-curable poly(ethylene glycol) diacrylate matrix composite material with unmodified and methacryloxyl-grafted TiO2 and TiO2-ZrO2 systems was developed and tested as a potential coating material for medical components. The main goal of the research was to evaluate how the addition of (un)modified inorganic oxide fillers affects the properties of the composition (viscosity, UV/Vis spectra), the kinetics of photocuring (photo-DSC), and the morphological (SEM), physicochemical, and thermal properties (DSC, TGA) of the resulting composites. The applied filler functionalization process decreased their polarity and changed their size, BET surface area, and pore volume, which influenced the viscosity and kinetics of the photocurable system. In addition, the addition of synthesized fillers reduced the polymer’s glass transition temperature and increased its thermal stability. It was also observed that additional UV irradiation of the tested composite changed its surface, resulting in hydrophobic properties (with the addition of 7 wt.% filler, an increase in the contact angle by more than 45% was observed). Full article
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