Photosensitive Materials and Their Applications

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 6296

Special Issue Editors

Centre for Industrial and Engineering Optics/School of Physics and Clinical & Optometric Sciences, College of Science and Health, Technological University Dublin, Dublin, Ireland
Interests: holographic recording materials; photopolymers; photopolymerisable glass; holographic optical elements; holographic sensors; holographic/hybrid optical elements for LED light shaping
Institute of Optical Materials and Technologies, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
Interests: thin films optics; multilayered structures; sensors with optical read-out; porous thin films and structures; zeolite nanocomposites
Special Issues, Collections and Topics in MDPI journals
Centre for Industrial and Engineering Optics/School of Physics and Clinical & Optometric Sciences, College of Science and Health, Technological University Dublin, Dublin, Ireland
Interests: functionalised holographic recording materials (photopolymer nanocomposites, self-processing photopolymers, azo-dye-containing polymers); novel methods for fabrication of holograms, and their applications in holographic sensing, holographic data storage, optical micro patterning and micromanipulation, and holographic actuators for smart device design
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Photosensitive materials represent a huge variety of materials of both inorganic and organic nature that are capable of changing their structural (chemical and/or physical) properties under light exposure. The design and development of highly efficient and cost-effective photosensitive materials are considered one of the main streams of material science research. This is due to the increasing demand of advanced optical materials in many fields dealing with light exploitation, such as imaging, solar technology, holography, optical data storage, optical sensing, photonics, optical structuring of surface, etc. Depending on their potential application, photosensitive materials can be developed as coatings, films, nanostructures, surface structures, liquid crystal layers and others. Different approaches have been used to optimise materials’ properties in order to satisfy the requirements imposed by each particular application. For example, modification of the material by doping with nanoparticles or liquid crystals allows achieving a few goals: improving exposure sensitivity of the material, its dynamic range and robustness, introducing additional functionality and expanding the range of potential applications.

This Special Issue focuses on photosensitive materials and their applications. It aims to report recent advances in the field of photosensitive material development, their most promising applications and material research challenges.

The topics of interest include but are not limited to the following:

  • Photosensitive materials for optoelectronics;
  • Photosensitive materials for optical patterning of surfaces;
  • Holographic recording materials;
  • Holographic optical elements;
  • Functionalised photosensitive materials for sensing applications;
  • Photosensitive hybrid nanostructured materials for sunlight capture;
  • Photosensitive nanocomposite materials;
  • Materials for two-photon polymerisation lithography;
  • Photosensitive materials for application in photonic devices.

Dr. Tatsiana Mikulchyk
Prof. Dr. Tsvetanka Babeva
Prof. Dr. Izabela Naydenova
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. Applied Sciences 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 2400 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

  • Photosensitive materials for optoelectronics
  • Photosensitive materials for optical patterning of surfaces
  • Holographic recording materials
  • Holographic optical devices
  • Functionalised photosensitive materials for sensing applications
  • Photosensitive hybrid nanostructured materials for sunlight capture
  • Photosensitive nanocomposite materials
  • Materials for two-photon polymerisation lithography
  • Photosensitive materials for application in photonic devices

Published Papers (2 papers)

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Research

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14 pages, 2889 KiB  
Article
Characterisation of Holographic Recording in Environmentally Stable Photopolymerisable Glass
by Tatsiana Mikulchyk, Pamela Stoeva, Alicja Kaworek, Mohamed Oubaha, Brian Rogers, Suzanne Martin, Dervil Cody and Izabela Naydenova
Appl. Sci. 2022, 12(12), 5969; https://0-doi-org.brum.beds.ac.uk/10.3390/app12125969 - 11 Jun 2022
Cited by 1 | Viewed by 1504
Abstract
Photopolymerisable glasses are holographic recording materials which provide good recording capability, improved dimensional stability, and negligible shrinkage. Recently, a novel photopolymerisable hybrid sol-gel (PHSG) for holographic recording of volume gratings has been reported. The PHSG has significantly improved gelation time and high water [...] Read more.
Photopolymerisable glasses are holographic recording materials which provide good recording capability, improved dimensional stability, and negligible shrinkage. Recently, a novel photopolymerisable hybrid sol-gel (PHSG) for holographic recording of volume gratings has been reported. The PHSG has significantly improved gelation time and high water resistance, both of which make it an attractive material for mass production of holographic optical elements (HOEs) with no sensitivity to ambient humidity. In order to achieve full control over the performance of the material and further improve its properties, a study of grating formation under holographic patterning is essential. This paper reports characterisation of the grating recording in PHSG. The approach is based on the analysis of grating parameters during exposure and post-recording dark processes. The obtained results suggest that photopolymerisation of the methacrylate groups is the main contributor to the creation of refractive index modulation during exposure. During the dark process, the enhancement of the refractive index modulation is observed, probably due to further polycondensation. The observations made facilitate controlled and predictable diffraction efficiency of gratings recorded on the PHSG, thereby furthering the prospect of the development of HOEs with customisable specification. Full article
(This article belongs to the Special Issue Photosensitive Materials and Their Applications)
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Review

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18 pages, 4909 KiB  
Review
Holographic Optical Tweezers: Techniques and Biomedical Applications
by Hui-Chi Chen and Chau-Jern Cheng
Appl. Sci. 2022, 12(20), 10244; https://0-doi-org.brum.beds.ac.uk/10.3390/app122010244 - 12 Oct 2022
Cited by 10 | Viewed by 2455
Abstract
Holographic optical tweezers (HOT) is a programmable technique used for manipulation of microsized samples. In combination with computer-generation holography (CGH), a spatial light modulator reshapes the light distribution within the focal area of the optical tweezers. HOT can be used to realize real-time [...] Read more.
Holographic optical tweezers (HOT) is a programmable technique used for manipulation of microsized samples. In combination with computer-generation holography (CGH), a spatial light modulator reshapes the light distribution within the focal area of the optical tweezers. HOT can be used to realize real-time multiple-point manipulation in fluid, and this is useful in biological research. In this article, we summarize the HOT technique, discuss its recent developments, and present an overview of its biological applications. Full article
(This article belongs to the Special Issue Photosensitive Materials and Their Applications)
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