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Synthesis, Characterization, and Degradation of Advanced Optical and Photo-Active Materials
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Synthesis, Characterization, and Degradation of Advanced Optical and Photo-Active Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Optical and Photonic Materials".

Deadline for manuscript submissions: closed (10 November 2022) | Viewed by 11876

Special Issue Editors

Prof. Dr. Willem D van Driel

E-Mail Website
Guest Editor
Electronic Components, Technology and Materials (ECTM) Group, Department of Microelectronics, Delft University of Technology, Mekelweg 4, 2628 CD Delft, The Netherlands
Interests: reliability; systems; integration; virtual prototyping; statistics; health monitoring
Special Issues, Collections and Topics in MDPI journals
Dr. Maryam Yazdan Mehr

E-Mail Website
Guest Editor
Electronic Components, Technology and Materials (ECTM) Group, Department of Microelectronics Delft University of Technology, Mekelweg 4, 2628 CD Delft, The Netherlands
Interests: photoactive materials; reliability; degradation and failure; optical materials; characterization; nanobiotechnology; integration
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

It is my pleasure to invite you to submit a manuscript to the forthcoming Special Issue “Synthesis, Characterization, and Degradation of Advanced Optical and Photoactive Materials” in Materials (IF: 3.057). Optical materials in general can be defined as materials whose function is to alter or control electromagnetic radiation in the ultraviolet (UV), visible, or infrared (IR) spectral regions. Photoactive material and photoactivity represents the ability of a material to become active when interacting with light, such as semiconductors. Further developments in optical and photoactive materials used in microelectronic and optoelectronics industries necessitate materials that can withstand harsh and demanding working conditions. Reliability and lifetime assessment of optical compounds in optoelectronics devices are two key critical issues when it comes to the development of new products. Understanding the root-cause of failures in optoelectronic devices and how materials degradation can contribute to such failures is therefore extremely important in developing more reliable optical and photoactive materials. This Special Issue seeks to highlight original research papers or review articles that report on the current state-of the-art in synthesis and characterization of optical materials and the topics of light–matter interaction (i.e., photo catalyst materials), a critical subject of degradation and reliability of advanced optical and photoactive materials.

Key unique features in this Special Issue are

  • Optical properties of material systems;
  • The (nano)materials aspects of optical phenomena;
  • The materials aspects of devices and applications;
  • Inter-relating optical materials ageing to the product failure;
  • Investigating the integration of several stresses (thermal, moisture, light radiation, mechanical damage, and more) into the performance of a large-scale system;
  • Multiscale/multiphysics simulation and experimental techniques of optical compounds in micro/optoelectronic devices (PCB, subassemblies);
  • Reliability and failure in optoelectronic devices (light-emitting diodes or LED);
  • Optical materials in OLEDs and in photoactive devices;
  • Optical materials in solar cells;
  • Metamaterials;
  • Photocatalyst materials.

Prof. Dr. Willem D van Driel
Dr. Maryam Yazdan Mehr
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. Materials 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 2600 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

  • advanced optical materials
  • advances in metamaterials
  • synthesis and characterization of optical material
  • remaining lifetime assessments
  • environmental-assisted optical failures
  • photo-catalyst materials
  • failure of optical materials and system
  • biocompatible photoactive materials

Published Papers (6 papers)

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Research

15 pages, 3350 KiB  
Article
Dynamic Multi-Mode Mie Model for Gain-Assisted Metal Nano-Spheres
by Nicole Recalde, Daniel Bustamante, Melissa Infusino and Alessandro Veltri
Materials 2023, 16(5), 1911; https://0-doi-org.brum.beds.ac.uk/10.3390/ma16051911 - 25 Feb 2023
Cited by 1 | Viewed by 1502
Abstract
Coupling externally pumped gain materials with plasmonic spherical particles, even in the simplest case of a single spherical nanoparticle in a uniform gain medium, generates an incredibly rich variety of electrodynamic phenomena. The appropriate theoretical description of these systems is dictated by the [...] Read more.
Coupling externally pumped gain materials with plasmonic spherical particles, even in the simplest case of a single spherical nanoparticle in a uniform gain medium, generates an incredibly rich variety of electrodynamic phenomena. The appropriate theoretical description of these systems is dictated by the quantity of the included gain and the size of the nano-particle. On the one hand, when the gain level is below the threshold separating the absorption and the emission regime, a steady-state approach is a rather adequate depiction, yet a time dynamic approach becomes fundamental when this threshold is exceeded. On the other hand, while a quasi-static approximation can be used to model nanoparticles when they are much smaller than the exciting wavelength, a more complete scattering theory is necessary to discuss larger nanoparticles. In this paper, we describe a novel method including a time-dynamical approach to the Mie scattering theory, which is able to account for all the most enticing aspects of the problem without any limitation in the particle’s size. Ultimately, although the presented approach does not fully describe the emission regime yet, it does allow us to predict the transient states preceding emission and represents an essential step forward in the direction of a model able to adequately describe the full electromagnetic phenomenology of these systems. Full article
(This article belongs to the Special Issue Synthesis, Characterization, and Degradation of Advanced Optical and Photo-Active Materials)
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9 pages, 5056 KiB  
Article
Synthesis of Rare-Earth-Doped Strontium Tungstate Phosphor at Room Temperature and Applied Flexible Composite
by Jung-Hyun Wi, Jae-Yong Jung and Sang-Geon Park
Materials 2022, 15(24), 8922; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15248922 - 13 Dec 2022
Cited by 1 | Viewed by 1309
Abstract
In this study, we successfully synthesized rare-earth-doped crystalline SrWO4 at room temperature by co-precipitation. The results from the X-ray diffraction analysis showed a main diffraction peak related to the (112) plane. Phosphors doped with either Dy3+ or Sm3+ ions showed [...] Read more.
In this study, we successfully synthesized rare-earth-doped crystalline SrWO4 at room temperature by co-precipitation. The results from the X-ray diffraction analysis showed a main diffraction peak related to the (112) plane. Phosphors doped with either Dy3+ or Sm3+ ions showed strong light absorption in the UV region and blue-yellow and red light emission. To synthesize a white light phosphor, Dy3+ and Sm3+ ions were co-doped to produce a SrWO4:[Sm3+]/[Dy3+] phosphor. When the Sm3+ ion concentration was increased and the Dy3+ concentration was maintained, the red light intensity increased while the blue-yellow light intensity decreased. The composites were combined with polydimethylsiloxane (PDMS), and a flexible composite material was fabricated. The composite exhibited various luminescence properties under UV and visible light, which suggested its potential for use as an LED color filter. Full article
(This article belongs to the Special Issue Synthesis, Characterization, and Degradation of Advanced Optical and Photo-Active Materials)
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10 pages, 3442 KiB  
Article
Rare-Earth-Doped Barium Molybdate Up-Conversion Phosphor with Potential Application in Optical Temperature Sensing
by Jung-Hyun Wi, Sang-Geon Park, Young-Seok Shim, Kwangjae Lee and Jae-Yong Jung
Materials 2022, 15(22), 7917; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15227917 - 09 Nov 2022
Cited by 2 | Viewed by 1548
Abstract
A BaMoO4:[Er3+]/[Yb3+] up-conversion (UC) phosphor was synthesized by co-precipitation and calcination of the precursor at 800 °C. The main peak (112) for the synthesized phosphor was strongly detected in the XRD pattern and had a tetragonal structure. [...] Read more.
A BaMoO4:[Er3+]/[Yb3+] up-conversion (UC) phosphor was synthesized by co-precipitation and calcination of the precursor at 800 °C. The main peak (112) for the synthesized phosphor was strongly detected in the XRD pattern and had a tetragonal structure. The doping of rare-earth ions affected the crystal lattice by shifting the main peak, decreasing the lattice constant, and shifting the position of the Raman signal. The synthesized upconverted phosphor exhibited strong green signals at 530 and 553 nm and weak red signals at 657 nm when excited at 980 nm. The green light emission intensity of the UC phosphor increased as the pump power of the laser increased due to the two-photon effect. The synthesized upconverted phosphor was prepared as a pellet and flexible composite. Thermal quenching led to a decrease in luminescence intensity as the temperature increased, which means that the phosphor can be applied to optical temperature sensing. Full article
(This article belongs to the Special Issue Synthesis, Characterization, and Degradation of Advanced Optical and Photo-Active Materials)
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14 pages, 4621 KiB  
Article
Design and Characterization of Zeolite/Serpentine Nanocomposite Photocatalyst for Solar Hydrogen Generation
by Abeer S. Altowyan, Mohamed Shaban, Zeinab M. Faidey, Khaled Abdelkarem, Mawaheb Al-Dossari, N. S. Abd El-Gawaad and Mohamed G. M. Kordy
Materials 2022, 15(18), 6325; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15186325 - 12 Sep 2022
Cited by 4 | Viewed by 1511
Abstract
In this work, a low-cost, high-yield hydrothermal treatment was used to produce nanozeolite (Zeo), nanoserpentine (Serp), and Zeo/Serp nanocomposites with weight ratios of 1:1 and 2:1. At 250 °C for six hours, the hydrothermal treatment was conducted. Various methods are used to explore [...] Read more.
In this work, a low-cost, high-yield hydrothermal treatment was used to produce nanozeolite (Zeo), nanoserpentine (Serp), and Zeo/Serp nanocomposites with weight ratios of 1:1 and 2:1. At 250 °C for six hours, the hydrothermal treatment was conducted. Various methods are used to explore the morphologies, structures, compositions, and optical characteristics of the generated nanostructures. The morphological study revealed structures made of nanofibers, nanorods, and hybrid nanofibril/nanorods. The structural study showed clinoptilolite monoclinic zeolite and antigorite monoclinic serpentine with traces of talcum mineral and carbonates. As a novel photoelectrochemical catalyst, the performance of the Zeo/Serp (2:1) composite was evaluated for solar hydrogen generation from water splitting relative to its constituents. At −1 V, the Zeo/Serp (2:1) composite produced a maximum current density of 8.44 mA/g versus 7.01, 6.74, and 6.6 mA/g for hydrothermally treated Zeo/Serp (1:1), Zeo, and Serp, respectively. The Zeo/Serp (2:1) photocatalysts had a solar-to-hydrogen conversion efficiency (STH) of 6.5% and an estimated hydrogen output rate of 14.43 mmole/h.g. Consequently, the current research paved the way for low-cost photoelectrochemical catalytic material for efficient solar hydrogen production by water splitting. Full article
(This article belongs to the Special Issue Synthesis, Characterization, and Degradation of Advanced Optical and Photo-Active Materials)
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10 pages, 3221 KiB  
Article
Structure, Luminescence, and Magnetic Properties of Crystalline Manganese Tungstate Doped with Rare Earth Ion
by Jae-Young Jung, Soung-Soo Yi, Dong-Hyun Hwang and Chang-Sik Son
Materials 2021, 14(13), 3717; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14133717 - 02 Jul 2021
Cited by 8 | Viewed by 2167
Abstract
The precursor prepared by co-precipitation method was sintered at various temperatures to synthesize crystalline manganese tungstate (MnWO4). Sintered MnWO4 showed the best crystallinity at a sintering temperature of 800 °C. Rare earth ion (Dysprosium; Dy3+) was added when [...] Read more.
The precursor prepared by co-precipitation method was sintered at various temperatures to synthesize crystalline manganese tungstate (MnWO4). Sintered MnWO4 showed the best crystallinity at a sintering temperature of 800 °C. Rare earth ion (Dysprosium; Dy3+) was added when preparing the precursor to enhance the magnetic and luminescent properties of crystalline MnWO4 based on these sintering temperature conditions. As the amount of rare earth ions was changed, the magnetic and luminescent characteristics were enhanced; however, after 0.1 mol.%, the luminescent characteristics decreased due to the concentration quenching phenomenon. In addition, a composite was prepared by mixing MnWO4 powder, with enhanced magnetism and luminescence properties due to the addition of dysprosium, with epoxy. To one of the two prepared composites a magnetic field was applied to induce alignment of the MnWO4 particles. Aligned particles showed stronger luminescence than the composite sample prepared with unsorted particles. As a result of this, it was suggested that it can be used as phosphor and a photosensitizer by utilizing the magnetic and luminescent properties of the synthesized MnWO4 powder with the addition of rare earth ions. Full article
(This article belongs to the Special Issue Synthesis, Characterization, and Degradation of Advanced Optical and Photo-Active Materials)
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13 pages, 4983 KiB  
Article
Facile Synthesis of Ag Nanowire/TiO2 and Ag Nanowire/TiO2/GO Nanocomposites for Photocatalytic Degradation of Rhodamine B
by Pejman Hajipour, Abbas Bahrami, Maryam Yazdan Mehr, Willem Dirk van Driel and Kouchi Zhang
Materials 2021, 14(4), 763; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14040763 - 06 Feb 2021
Cited by 17 | Viewed by 3002
Abstract
This paper investigates the photocatalytic characteristics of Ag nanowire (AgNW)/TiO2 and AgNW/TiO2/graphene oxide (GO) nanocomposites. Samples were synthesized by the direct coating of TiO2 particles on the surface of silver nanowires. As-prepared AgNW/TiO2 and AgNW/TiO2/GO nanocomposites [...] Read more.
This paper investigates the photocatalytic characteristics of Ag nanowire (AgNW)/TiO2 and AgNW/TiO2/graphene oxide (GO) nanocomposites. Samples were synthesized by the direct coating of TiO2 particles on the surface of silver nanowires. As-prepared AgNW/TiO2 and AgNW/TiO2/GO nanocomposites were characterized by electron microscopy, X-ray diffraction, UV/visible absorption spectroscopy, and infrared spectroscopy. Transmission electron microscope (TEM) images confirmed the successful deposition of TiO2 nanoparticles on the surface of AgNWs. The photocatalytic activity of synthesized nanocomposites was evaluated using Rhodamine B (RhB) in an aqueous solution as the model organic dye. Results showed that synthesized AgNW/TiO2/GO nanocomposite has superior photocatalytic activities when it comes to the decomposition of RhB. Full article
(This article belongs to the Special Issue Synthesis, Characterization, and Degradation of Advanced Optical and Photo-Active Materials)
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