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Advanced Materials in Photoelectrics and Photonics
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Advanced Materials in Photoelectrics and Photonics

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

Deadline for manuscript submissions: 20 August 2025 | Viewed by 4260

Special Issue Editors

Prof. Dr. Fu-Der Lai

E-Mail Website
Guest Editor
Institute of Photonics Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 824005, Taiwan
Interests: graphene; (color) solar energy absorber; LED
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Yilin Yang

E-Mail Website
Guest Editor
Department of Electronic Engineering, National Kaohsiung Normal University, Kaohsiung 82444, Taiwan
Interests: solid-state electronics; solar cells
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Wen-Ching Hsieh

E-Mail Website
Guest Editor
Department of Semiconductor and Electro-Optical Technology, Minghsin University of Science and Technology, Xinfeng 30401, Taiwan
Interests: photoelectric devices; photoelectric memory devices; photoelectric nonvolatile memory
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Background:

Optoelectronics and photonics, which are at the forefront of modern technological innovation, leverage light–matter interactions to develop solutions across a broad spectrum of applications—from energy generation to communication systems. The focus on energy-related fields represents a concerted effort to address global energy challenges via the application of more efficient solar technologies. This includes the development of high-efficiency photovoltaic materials that convert sunlight directly into electricity and innovations in solar thermal materials that absorb and store solar energy as heat. Such advancements in LED technology are pivotal for energy-saving lighting solutions and displays, and this progress in laser technologies has been increasingly exploited in a wide range of applications, from cutting-edge manufacturing processes to medical procedures. Additionally, sensors accurately measure light interactions, boosting the capabilities of optoelectronic device. In particular, silicon photonics, which integrates sensors and lasers, plays a pivotal role in advancing big data computing and high-speed communications.

This Special Issue, entitled "Advanced Materials for Optoelectronics and Photonics", focuses on solar cells, solar thermal absorbers, LEDs, lasers, sensors, silicon photonics, etc., to enhance energy efficiency and technical capabilities in various fields.

Aims:

This Special Issue aims to showcase recent breakthroughs and ongoing research in advanced materials, highlighting their role in enhancing the performance and functionality of optoelectronic and photonic devices. The specific goals of this Special Issue include the following:

Presenting innovative materials and technologies that enhance the conversion efficiency of solar energy systems.

Exploring the latest developments in LED technology to foster more sustainable and effective solutions.

Highlighting advancements in laser materials, broadening their applications across industrial, medical, and communication sectors.

Emphasizing the importance of refining sensor materials in augmenting the capabilities and functionality of optoelectronic and photonic devices.

Investigating silicon photonics, a technology that marries electronics with photons to compress the optical pathway onto a tiny chip, thus enabling high-speed, low-energy data transmission.

Guidelines for Potential Authors:

Scope of Submission: Authors are encouraged to submit original research articles, reviews, and case studies that discuss significant advances in material science and its application in solar energy materials, LEDs, lasers, and sensors. Interdisciplinary works that connect advanced materials with electrical engineering, physics, and sustainability are welcome. The scope of this Special Issue includes the manufacturing (including material growth, epitaxial processes, coatings, etc.), simulation (including theory, calculation process, modeling, etc.), analysis and application of materials or the use of materials in devices.

Innovative Focus: Submissions should clearly articulate the novel aspects of the research and its potential impact on the field of optoelectronics and photonics. Comparative studies that highlight improvements over existing solutions are highly encouraged.

This Special Issue seeks to compile a comprehensive overview of the latest research and developments in the field, aiming to inspire further research and practical applications.

Prof. Dr. Fu-Der Lai
Prof. Dr. Yilin Yang
Prof. Dr. Wen-Ching Hsieh
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

  • photoelectrics
  • photonics
  • semiconductors
  • manufacture
  • simulation
  • analysis
  • solar material

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Published Papers (5 papers)

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Research

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10 pages, 2184 KiB  
Article
CsPbI3 Perovskite Nanorods: Enhancing Fluorescence Efficiency and Environmental Stability via Trioctylphosphine Ligand Coordination
by Chengqi Liu, Zahir Abdalla, Xiaoqian Wang, Manrui Liu, Yanhui Jiao, Zisheng Tang, Qi Zhang and Yong Liu
Materials 2025, 18(7), 1518; https://doi.org/10.3390/ma18071518 - 28 Mar 2025
Viewed by 316
Abstract
Metal halide perovskite nanorods hold great promise for optoelectronic applications. However, they tend to undergo phase transitions due to the instability of the crystal phase under environmental conditions, leading to a rapid decline in the fluorescence efficiency. Here, we report a method in [...] Read more.
Metal halide perovskite nanorods hold great promise for optoelectronic applications. However, they tend to undergo phase transitions due to the instability of the crystal phase under environmental conditions, leading to a rapid decline in the fluorescence efficiency. Here, we report a method in which trioctylphosphine (TOP) directly serves as both the surface ligand and solvent to synthesize highly stable α-CsPbI3 nanorods (NRs). This approach produces monodisperse α-phase NRs with controlled sizes (1 μm and 150 nm in length, and an aspect ratio of 10:1), as confirmed by high-resolution transmission electron microscopy (TEM) and X-ray diffraction. The optimized NRs exhibit a high photoluminescence quantum yield of around 80%, as well as excellent environmental stability; after 15 days of storage, the photoluminescence quantum yield (PLQY) retention is 90%. Transient absorption spectroscopy shows that the carrier lifetime is extended to 23.95 ns and 27.86 ns, attributed to the dual role of TOP in defect passivation and hydrolysis suppression. This work provides a scalable paradigm for stabilizing metastable perovskite nanostructures through rational ligand selection, paving the way for durable perovskite-based optoelectronics. Full article
(This article belongs to the Special Issue Advanced Materials in Photoelectrics and Photonics)
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11 pages, 1948 KiB  
Article
One-Dimensional Four-Layered Photonic Heterostructures: Analysis of Transmittance
by Amita Biswal, Harekrushna Behera, Dah-Jing Jwo and Tai-Wen Hsu
Materials 2025, 18(7), 1433; https://doi.org/10.3390/ma18071433 - 24 Mar 2025
Viewed by 306
Abstract
The transmittance characteristics and the band structure of photonic heterostructures consisting of four distinct dielectric materials are analyzed using the transfer matrix method. An enhanced band structure of such crystals is discovered. It is shown that the band structure is strongly influenced by [...] Read more.
The transmittance characteristics and the band structure of photonic heterostructures consisting of four distinct dielectric materials are analyzed using the transfer matrix method. An enhanced band structure of such crystals is discovered. It is shown that the band structure is strongly influenced by the arrangement of unit cells in the periodic building blocks of the crystals. The transmission spectra are evaluated for varying layer thicknesses and incident angles to investigate their impact on wave propagation. The symmetrical results for periodicities, sub-layer thickness, and oblique incident angles indicate robust bandgaps with blue shifting and enhanced transmission. Moreover, the periodicity in different cases, followed by the period, has also shown to have a great impact on the emergence of multiple bandgaps. The photonic bandgap and frequency are associated with the lattice elements of the unit cell, shifting naturally as a fundamental property of the structure, which has been achieved by the alteration of unit cells. Hence, the proposed photonic heterostructures offer significant potential for developing efficient band-stop and band-pass filters, facilitating their use in multi-functional integrated optical circuits within the Terahertz spectrum. Full article
(This article belongs to the Special Issue Advanced Materials in Photoelectrics and Photonics)
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18 pages, 6269 KiB  
Article
Big Data Analysis, Design, Effect Fabrication, and Properties Analysis of SiO2/Cr/SiO2 Colored Solar Selective Absorbers with High PTCE and Chromaticity for Building Applications
by Fu-Der Lai, Yen-Ting Lai and Chang-Song Chen
Materials 2024, 17(23), 5810; https://doi.org/10.3390/ma17235810 - 27 Nov 2024
Viewed by 668
Abstract
In today’s era of rapid computing, advanced big data analytics enables precise results and efficient trend analysis. By leveraging these tools, the influence of various film thicknesses of Colored Solar Selective Absorbers (CSSAs) on solar absorption efficiency (αs) and chromaticity was [...] Read more.
In today’s era of rapid computing, advanced big data analytics enables precise results and efficient trend analysis. By leveraging these tools, the influence of various film thicknesses of Colored Solar Selective Absorbers (CSSAs) on solar absorption efficiency (αs) and chromaticity was investigated. A clear and visually informative Chromaticity Coordinate Distribution (CCD) versus αs diagram was constructed within the CIE xy chromaticity diagram, establishing a correlation between chromaticity and αs. Photo-Thermal Conversion Efficiency (PTCE) ≈ αs − 2% when αs ≥ 90%. Subsequently, utilizing colored CCD-αs diagrams, seven SiO2/Cr/SiO2 CSSAs, each with unique colors and αs, were designed, fabricated, and subjected to an analysis of their optical and material properties. We explored the influence of oxygen atom infiltration into the CSSA, leading to the oxidation of the Cr layer and consequent alterations in CSSA properties. Additionally, this study delved into analyzing the effect of substrate surface roughness on the oxidation resistance, αs, color, and corrosion resistance of CSSAs. Full article
(This article belongs to the Special Issue Advanced Materials in Photoelectrics and Photonics)
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30 pages, 3726 KiB  
Article
Strain-Dependent Effects on Confinement of Folded Acoustic and Optical Phonons in Short-Period (XC)m/(YC)n with X,Y (≡Si, Ge, Sn) Superlattices
by Devki N. Talwar, Sky Semone and Piotr Becla
Materials 2024, 17(13), 3082; https://doi.org/10.3390/ma17133082 - 23 Jun 2024
Cited by 1 | Viewed by 1071
Abstract
Carbon-based novel low-dimensional XC/YC (with X, Y ≡ Si, Ge, and Sn) heterostructures have recently gained considerable scientific and technological interest in the design of electronic devices for energy transport use in extreme environments. Despite many efforts made to understand the structural, electronic, [...] Read more.
Carbon-based novel low-dimensional XC/YC (with X, Y ≡ Si, Ge, and Sn) heterostructures have recently gained considerable scientific and technological interest in the design of electronic devices for energy transport use in extreme environments. Despite many efforts made to understand the structural, electronic, and vibrational properties of XC and XxY1−xC alloys, no measurements exist for identifying the phonon characteristics of superlattices (SLs) by employing either an infrared and/or Raman scattering spectroscopy. In this work, we report the results of a systematic study to investigate the lattice dynamics of the ideal (XC)m/(YC)n as well as graded (XC)10−∆/(X0.5Y0.5C)∆/(YC)10−∆/(X0.5Y0.5C)∆ SLs by meticulously including the interfacial layer thickness ∆ (≡1–3 monolayers). While the folded acoustic phonons (FAPs) are calculated using a Rytov model, the confined optical modes (COMs) and FAPs are described by adopting a modified linear-chain model. Although the simulations of low-energy dispersions for the FAPs indicated no significant changes by increasing ∆, the results revealed, however, considerable “downward” shifts of high frequency COMs and “upward” shifts for the low energy optical modes. In the framework of a bond polarizability model, the calculated results of Raman scattering spectra for graded SLs are presented as a function of ∆. Special attention is paid to those modes in the middle of the frequency region, which offer strong contributions for enhancing the Raman intensity profiles. These simulated changes are linked to the localization of atomic displacements constrained either by the XC/YC or YC/XC unabrupt interfaces. We strongly feel that this study will encourage spectroscopists to perform Raman scattering measurements to check our theoretical conjectures. Full article
(This article belongs to the Special Issue Advanced Materials in Photoelectrics and Photonics)
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Review

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31 pages, 4224 KiB  
Review
Photovoltaic Cells and Scintillators Towards Carbon Footprint Reduction: Advantages and Challenges for Ecological Safety
by Agnieszka Iwan, Krzysztof A. Bogdanowicz, Robert Pich, Agnieszka Gonciarz, Witalis Pellowski, Jacek Miedziak and Wojciech Przybyl
Materials 2024, 17(23), 5909; https://doi.org/10.3390/ma17235909 - 3 Dec 2024
Viewed by 1273
Abstract
The main goal of this review paper is to show the advantages and challenges of photovoltaic cells/modules/panels and scintillators towards carbon footprint reduction for ecological safety. Briefly, the various types of solar-driven CO2 conversion processes are shown as a new concept of [...] Read more.
The main goal of this review paper is to show the advantages and challenges of photovoltaic cells/modules/panels and scintillators towards carbon footprint reduction for ecological safety. Briefly, the various types of solar-driven CO2 conversion processes are shown as a new concept of CO2 reduction. The health toxicity and environmental effects of scintillators, along with risks associated with use and disposal, are presented, taking into consideration inorganic and organic materials. Factors affecting the durability and lifespan of scintillators and the carbon footprint of solar cell production are analysed, considering CO2 emission. Moreover, the technology of recycling photovoltaic modules and scintillators, along with a SWOT analysis of scintillation material toxicity, is presented to find the best solutions for clean technology and ecological safety. Finally, we offer recommendations for the areas where the most significant reductions in CO2 emissions are expected to be implemented in the future of green energy in industry, including ESG strategies. Full article
(This article belongs to the Special Issue Advanced Materials in Photoelectrics and Photonics)
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