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Advanced Optical Materials: From Materials to Applications
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Advanced Optical Materials: From Materials to Applications

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 18991

Special Issue Editor

Prof. Dr. Bong-Hyun Jun

E-Mail Website
Guest Editor
Department of Bioscience and Biotechnology, Konkuk University, Gwangjin-gu, Seoul, Republic of Korea
Interests: SERS; optical materials; nanomaterials; applications
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The interaction between light and optical materials are widely studed, since advanced optical materials have shown outstanding properties. Our Special Issue will include various types of not only preparation of optical materials but also applications of optical materials.

This Special Issue will provide a range of original contributions detailing the advanced optical materials from materials to applications- Plasmonic Materials- SERS Substrate- Flourscence Materials- Carbon Materials - Meta materials- Advanced optical materials for bio, energy, LED and so on.

Prof. Dr. Bong-Hyun Jun
Guest Editor

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. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. 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

  • metal materials
  • plasmonic materials
  • SERS substrate
  • flourscence materials
  • dye doped materials
  • quantum dots
  • up conversion materials
  • carbon materials
  • meta materials
  • bioapplications
  • energy applications
  • LED applications

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Published Papers (8 papers)

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Editorial

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4 pages, 206 KiB  
Editorial
Advanced Optical Materials: From Materials to Applications
by Bong-Hyun Jun
Int. J. Mol. Sci. 2023, 24(21), 15790; https://doi.org/10.3390/ijms242115790 - 31 Oct 2023
Cited by 1 | Viewed by 2033
Abstract
Optical materials interact significantly with electromagnetic radiation in the visible, ultraviolet, and infrared regions of the spectrum [...] Full article
(This article belongs to the Special Issue Advanced Optical Materials: From Materials to Applications)

Research

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13 pages, 7484 KiB  
Article
Tellurite Glasses from the 70TeO2-5XO-10P2O5-10ZnO-5PbF2(X= Pb, Bi, Ti) System Doped Erbium Ions—The Influence of Erbium on the Structure and Physical Properties
by Katarzyna Pach-Zawada, Magdalena Leśniak, Katarzyna Filipecka-Szymczyk, Edmund Golis, Maciej Sitarz, Dominik Dorosz and Jacek Filipecki
Int. J. Mol. Sci. 2023, 24(4), 3556; https://doi.org/10.3390/ijms24043556 - 10 Feb 2023
Cited by 3 | Viewed by 2008
Abstract
In this article, we present research on the influence of erbium ions on the structure and magneto-optical properties of 70TeO2-5XO-10P2O5-10ZnO-5PbF2 (X = Pb, Bi, Ti) tellurite glass systems. Structural changes occurring in the glasses during doping [...] Read more.
In this article, we present research on the influence of erbium ions on the structure and magneto-optical properties of 70TeO2-5XO-10P2O5-10ZnO-5PbF2 (X = Pb, Bi, Ti) tellurite glass systems. Structural changes occurring in the glasses during doping with erbium ions were investigated using positron annihilation lifetime spectroscopy (PALS) and Raman spectroscopy. The X-ray diffraction (XRD) method was used to confirm the amorphous structure of the investigated samples. Based on the Faraday effect measurements and calculated values of Verdet constant, the magneto-optical properties of the glasses were determined. Full article
(This article belongs to the Special Issue Advanced Optical Materials: From Materials to Applications)
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12 pages, 3390 KiB  
Article
Photoconduction and Electroluminescence of Copper (II) Protoporphyrin and Chlorin Cu-C-e6
by Dmitry A. Lypenko, Alexey E. Aleksandrov, Andrey Yu. Chernyadyev, Sergey I. Pozin, Aslan Yu. Tsivadze and Alexey R. Tameev
Int. J. Mol. Sci. 2023, 24(4), 3178; https://doi.org/10.3390/ijms24043178 - 6 Feb 2023
Cited by 3 | Viewed by 1603
Abstract
Cu (II) protoporphyrin Cu-PP-IX and chlorin Cu-C-e6 were found to have both thin solid film formation and charge carrier transport abilities. In the layers deposited by resistive thermal evaporation, the mobilities of holes and electrons are on the order of 10−5 cm [...] Read more.
Cu (II) protoporphyrin Cu-PP-IX and chlorin Cu-C-e6 were found to have both thin solid film formation and charge carrier transport abilities. In the layers deposited by resistive thermal evaporation, the mobilities of holes and electrons are on the order of 10−5 cm2 V−1 s−1. Organic light-emitting diodes incorporating the dye molecules as emitting dopants demonstrate electroluminescence in the UV and near-IR ranges. Full article
(This article belongs to the Special Issue Advanced Optical Materials: From Materials to Applications)
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15 pages, 5906 KiB  
Article
Bifunctional Temperature and Oxygen Dual Probe Based on Anthracene and Europium Complex Luminescence
by Diogo Alves Gálico, Italo Odone Mazali and Fernando Aparecido Sigoli
Int. J. Mol. Sci. 2022, 23(23), 14526; https://doi.org/10.3390/ijms232314526 - 22 Nov 2022
Cited by 4 | Viewed by 1424
Abstract
In this work, we synthesized a polydimethylsiloxane membrane containing two emitter groups chemically attached to the membrane structure. For this, we attached the anthracene group and the [Eu(bzac)3] complex as blue and red emitters, respectively, in the matrix via hydrosilylation reactions. [...] Read more.
In this work, we synthesized a polydimethylsiloxane membrane containing two emitter groups chemically attached to the membrane structure. For this, we attached the anthracene group and the [Eu(bzac)3] complex as blue and red emitters, respectively, in the matrix via hydrosilylation reactions. The synthesized membrane can be used as a bifunctional temperature and oxygen ratiometric optical probe by analyzing the effects that temperature changes and oxygen levels produce on the ratio of anthracene and europium(III) emission components. As a temperature probe, the system is operational in the 203–323 K range, with an observed maximum relative sensitivity of 2.06% K−1 at 290 K and temperature uncertainties below 0.1 K over all the operational range. As an oxygen probe, we evaluated the ratiometric response at 25, 30, 35, and 40 °C. These results show an interesting approach to obtaining bifunctional ratiometric optical probes and also suggest the presence of an anthracene → europium(III) energy transfer, even though there is no chemical bonding between species. Full article
(This article belongs to the Special Issue Advanced Optical Materials: From Materials to Applications)
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15 pages, 9712 KiB  
Article
Electrical Stimulation of Human Adipose-Derived Mesenchymal Stem Cells on O2 Plasma-Treated ITO Glass Promotes Osteogenic Differentiation
by Seungho Baek, Heekyung Park, Fatma Dilara Igci and Donghyun Lee
Int. J. Mol. Sci. 2022, 23(20), 12490; https://doi.org/10.3390/ijms232012490 - 18 Oct 2022
Cited by 3 | Viewed by 1779
Abstract
Electrical signals represent an essential form of cellular communication. For decades, electrical stimulation has been used effectively in clinical practice to enhance bone healing. However, the detailed mechanisms between electrical stimulation and bone healing are not well understood. In addition, there have been [...] Read more.
Electrical signals represent an essential form of cellular communication. For decades, electrical stimulation has been used effectively in clinical practice to enhance bone healing. However, the detailed mechanisms between electrical stimulation and bone healing are not well understood. In addition, there have been many difficulties in setting up a stable and efficient electrical stimulation system within the in vitro environment. Therefore, various conductive materials and electrical stimulation methods have been tested to establish an effective electrical stimulation system. Through these systems, many studies have been conducted on the effects of electrical stimulation on bone healing and osteogenic differentiation. However, previous studies were limited by the use of opaque conductive materials that obscure the cells; fluorescent observations and staining are known to be two of the critical methods to confirm the states of the cells. Indium tin oxide (ITO) glass is known to have excellent transparency and conductivity, but it is challenging to cultivate cells due to low cell adhesion characteristics. Therefore, we used O2 plasma treatment to increase the hydrophilicity and wettability of ITO glass. This enhanced cell affinity to the glass, providing a stable surface for the cells to attach. Then, electrical stimulation was applied with an amplitude range of 10 to 200 µA at a frequency of 10 Hz. Our results demonstrated that the osteogenic differentiation efficiency was maximized under the amplitude conditions of 10 µA and 50 µA. Accordingly, the results of our study suggest the development of an excellent platform in the field of biological research as a good tool to elucidate various mechanisms of cell bioactivity under electrical conditions. Full article
(This article belongs to the Special Issue Advanced Optical Materials: From Materials to Applications)
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14 pages, 3538 KiB  
Article
Influence of Heat Treatment on Surface, Structural and Optical Properties of Nickel and Copper Phthalocyanines Thin Films
by Pawel Popielarski, Lidia Mosińska, Lukasz Skowronski, Robert Szczesny, Viviana Figà, Mieczyslaw Naparty and Beata Derkowska-Zielinska
Int. J. Mol. Sci. 2022, 23(19), 11055; https://doi.org/10.3390/ijms231911055 - 21 Sep 2022
Cited by 6 | Viewed by 1619
Abstract
The work presents the effect of annealing on the change of polycrystalline α and β phases of copper and nickel phthalocyanines. We have found that this process has a great influence on the optical properties of the vapor-deposited layers. The performed measurements showed [...] Read more.
The work presents the effect of annealing on the change of polycrystalline α and β phases of copper and nickel phthalocyanines. We have found that this process has a great influence on the optical properties of the vapor-deposited layers. The performed measurements showed that for various forms of MPc, the values of the refractive index and the extinction coefficient increased, and consequently, so did the absorption coefficient. The AFM images taken showed that the values before and after heating are morphologically different. Raman measurements showed that the band at about 1526 cm−1 (B1g symmetry) has higher intensity for the α form than for the β form. The intensity of this band is related to changing the form of phthalocyanine from α to β. Our measurements have shown that by changing the annealing temperature of the layers, we change their optical properties. As a consequence, we change their optoelectronic parameters, adjusting them to the requirements of new optoelectronic devices, such as solar cells, sensors, displays and OLEDs. Full article
(This article belongs to the Special Issue Advanced Optical Materials: From Materials to Applications)
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11 pages, 2298 KiB  
Article
Highly Bright Silica-Coated InP/ZnS Quantum Dot-Embedded Silica Nanoparticles as Biocompatible Nanoprobes
by Kyeong-Min Ham, Minhee Kim, Sungje Bock, Jaehi Kim, Wooyeon Kim, Heung Su Jung, Jaehyun An, Hobeom Song, Jung-Won Kim, Hyung-Mo Kim, Won-Yeop Rho, Sang Hun Lee, Seung-min Park, Dong-Eun Kim and Bong-Hyun Jun
Int. J. Mol. Sci. 2022, 23(18), 10977; https://doi.org/10.3390/ijms231810977 - 19 Sep 2022
Cited by 8 | Viewed by 3633
Abstract
Quantum dots (QDs) have outstanding optical properties such as strong fluorescence, excellent photostability, broad absorption spectra, and narrow emission bands, which make them useful for bioimaging. However, cadmium (Cd)-based QDs, which have been widely studied, have potential toxicity problems. Cd-free QDs have also [...] Read more.
Quantum dots (QDs) have outstanding optical properties such as strong fluorescence, excellent photostability, broad absorption spectra, and narrow emission bands, which make them useful for bioimaging. However, cadmium (Cd)-based QDs, which have been widely studied, have potential toxicity problems. Cd-free QDs have also been studied, but their weak photoluminescence (PL) intensity makes their practical use in bioimaging challenging. In this study, Cd-free QD nanoprobes for bioimaging were fabricated by densely embedding multiple indium phosphide/zinc sulfide (InP/ZnS) QDs onto silica templates and coating them with a silica shell. The fabricated silica-coated InP/ZnS QD-embedded silica nanoparticles (SiO2@InP QDs@SiO2 NPs) exhibited hydrophilic properties because of the surface silica shell. The quantum yield (QY), maximum emission peak wavelength, and full-width half-maximum (FWHM) of the final fabricated SiO2@InP QDs@SiO2 NPs were 6.61%, 527.01 nm, and 44.62 nm, respectively. Moreover, the brightness of the particles could be easily controlled by adjusting the amount of InP/ZnS QDs in the SiO2@InP QDs@SiO2 NPs. When SiO2@InP QDs@SiO2 NPs were administered to tumor syngeneic mice, the fluorescence signal was prominently detected in the tumor because of the preferential distribution of the SiO2@InP QDs@SiO2 NPs, demonstrating their applicability in bioimaging with NPs. Thus, SiO2@InP QDs@SiO2 NPs have the potential to successfully replace Cd-based QDs as highly bright and biocompatible fluorescent nanoprobes. Full article
(This article belongs to the Special Issue Advanced Optical Materials: From Materials to Applications)
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Review

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18 pages, 5156 KiB  
Review
Recent Trends in Lateral Flow Immunoassays with Optical Nanoparticles
by Jaehi Kim, Min-Sup Shin, Jonghyun Shin, Hyung-Mo Kim, Xuan-Hung Pham, Seung-min Park, Dong-Eun Kim, Young Jun Kim and Bong-Hyun Jun
Int. J. Mol. Sci. 2023, 24(11), 9600; https://doi.org/10.3390/ijms24119600 - 31 May 2023
Cited by 15 | Viewed by 3971
Abstract
Rapid, accurate, and convenient diagnosis is essential for effective disease management. Various detection methods, such as enzyme-linked immunosorbent assay, have been extensively used, with lateral flow immunoassay (LFIA) recently emerging as a major diagnostic tool. Nanoparticles (NPs) with characteristic optical properties are used [...] Read more.
Rapid, accurate, and convenient diagnosis is essential for effective disease management. Various detection methods, such as enzyme-linked immunosorbent assay, have been extensively used, with lateral flow immunoassay (LFIA) recently emerging as a major diagnostic tool. Nanoparticles (NPs) with characteristic optical properties are used as probes for LFIA, and researchers have presented various types of optical NPs with modified optical properties. Herein, we review the literature on LFIA with optical NPs for the detection of specific targets in the context of diagnostics. Full article
(This article belongs to the Special Issue Advanced Optical Materials: From Materials to Applications)
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