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Advanced Energy Materials for Solar Cells, Photocatalysis, and Optoelectronic Devices
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Advanced Energy Materials for Solar Cells, Photocatalysis, and Optoelectronic Devices

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

Deadline for manuscript submissions: closed (10 October 2023) | Viewed by 8479

Special Issue Editor

Dr. Zhonglin Du

E-Mail Website
Guest Editor
Institute of Hybrid Materials, National Center of International Joint Research for Hybrid Materials Technology, National Base of International Sci. & Tech. Cooperation on Hybrid Materials, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
Interests: nanomaterials; solar cells; plasmonic

Special Issue Information

Dear Colleagues,

The dual pressure of energy crisis and environmental pollution is driving people to pay special attention to cost-effective and environmentally friendly energy resources, such as solar energy, wind energy, tidal energy, and biomass energy. Among these types of renewable energy, solar energy has the largest potential owning to its wide-range coverage, environmental friendliness, and inexhaustible reserves. In the last few decades, the development and use of solar energy have received tremendous attention and become a hot research topic. The rise of technology and materials has opened up a new frontier for developing high-performance solar energy conversion devices to achieve the capture of photons and rapid separation and extraction of photogenerated carriers. The evolution of new functional materials enhances technological advancement in modern-day society, and it has been observed in the past that advanced energy materials play an essential role in technological development. All kinds of materials have been developed and used in the field of energy conversion. This Special Issue focuses on materials related to solar cells, photocatalysis, and optoelectronic devices in research. We warmly welcome contributions of manuscripts reporting the development of all kinds of advanced energy materials, insights into energy conversion, as well as materials characterization.

Dr. Zhonglin Du
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. 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 energy materials
  • solar cells
  • photocatalysis
  • optoelectronic

Published Papers (3 papers)

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Research

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12 pages, 1873 KiB  
Article
High-Entropy Perovskite Thin Film in the Gd-Nd-Sm-La-Y-Co System: Deposition, Structure and Optoelectronic Properties
by Pawel A. Krawczyk, Wojciech Salamon, Mateusz Marzec, Michał Szuwarzyński, Jakub Pawlak, Jarosław Kanak, Małgorzata Dziubaniuk, Władyslaw W. Kubiak and Antoni Żywczak
Materials 2023, 16(12), 4210; https://doi.org/10.3390/ma16124210 - 06 Jun 2023
Cited by 2 | Viewed by 4563
Abstract
Multicomponent equimolar perovskite oxides (ME-POs) have recently emerged as a highly promising class of materials with unique synergistic effects, making them well-suited for applications in such areas as photovoltaics and micro- and nanoelectronics. High-entropy perovskite oxide thin film in the (Gd0.2Nd [...] Read more.
Multicomponent equimolar perovskite oxides (ME-POs) have recently emerged as a highly promising class of materials with unique synergistic effects, making them well-suited for applications in such areas as photovoltaics and micro- and nanoelectronics. High-entropy perovskite oxide thin film in the (Gd0.2Nd0.2La0.2Sm0.2Y0.2)CoO3 (RECO, where RE = Gd0.2Nd0.2La0.2Sm0.2Y0.2, C = Co, and O = O3) system was synthesized via pulsed laser deposition. The crystalline growth in an amorphous fused quartz substrate and single-phase composition of the synthesized film was confirmed by X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). Surface conductivity and activation energy were determined using a novel technique implementing atomic force microscopy (AFM) in combination with current mapping. The optoelectronic properties of the deposited RECO thin film were characterized using UV/VIS spectroscopy. The energy gap and nature of optical transitions were calculated using the Inverse Logarithmic Derivative (ILD) and four-point resistance method, suggesting direct allowed transitions with altered dispersions. The narrow energy gap of RECO, along with its relatively high absorption properties in the visible spectrum, positions it as a promising candidate for further exploration in the domains of low-energy infrared optics and electrocatalysis. Full article
(This article belongs to the Special Issue Advanced Energy Materials for Solar Cells, Photocatalysis, and Optoelectronic Devices)
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Review

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29 pages, 45407 KiB  
Review
Lead-Free Halide Perovskite Nanocrystals for Light-Emitting Diodes
by Do-Young Kim, Jae-Geun Jung, Ye-Ji Lee and Min-Ho Park
Materials 2023, 16(18), 6317; https://doi.org/10.3390/ma16186317 - 20 Sep 2023
Cited by 2 | Viewed by 1823
Abstract
Lead-based halide perovskite nanocrystals (PeNCs) have demonstrated remarkable potential for use in light-emitting diodes (LEDs). This is because of their high photoluminescence quantum yield, defect tolerance, tunable emission wavelength, color purity, and high device efficiency. However, the environmental toxicity of Pb has impeded [...] Read more.
Lead-based halide perovskite nanocrystals (PeNCs) have demonstrated remarkable potential for use in light-emitting diodes (LEDs). This is because of their high photoluminescence quantum yield, defect tolerance, tunable emission wavelength, color purity, and high device efficiency. However, the environmental toxicity of Pb has impeded their commercial viability owing to the restriction of hazardous substances directive. Therefore, Pb-free PeNCs have emerged as a promising solution for the development of eco-friendly LEDs. This review article presents a detailed analysis of the various compositions of Pb-free PeNCs, including tin-, bismuth-, antimony-, and copper-based perovskites and double perovskites, focusing on their stability, optoelectronic properties, and device performance in LEDs. Furthermore, we address the challenges encountered in using Pb-free PeNC-LEDs and discuss the prospects and potential of these Pb-free PeNCs as sustainable alternatives to lead-based PeLEDs. In this review, we aim to shed light on the current state of Pb-free PeNC LEDs and highlight their significance in driving the development of eco-friendly LED technologies. Full article
(This article belongs to the Special Issue Advanced Energy Materials for Solar Cells, Photocatalysis, and Optoelectronic Devices)
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19 pages, 4418 KiB  
Review
Progress in the Synthesis and Application of Transparent Conducting Film of AZO (ZnO:Al)
by Dingyi Zhang, Wenhe Yu, Lu Zhang and Xiangyang Hao
Materials 2023, 16(16), 5537; https://doi.org/10.3390/ma16165537 - 09 Aug 2023
Cited by 3 | Viewed by 1478
Abstract
Due to the excellent performance and low cost of the new aluminum-doped zinc oxide (AZO) film, it is expected to replace the mature indium-doped tin oxide (ITO) film. The research status and progress of AZO transparent conductive films are summarized in this review. [...] Read more.
Due to the excellent performance and low cost of the new aluminum-doped zinc oxide (AZO) film, it is expected to replace the mature indium-doped tin oxide (ITO) film. The research status and progress of AZO transparent conductive films are summarized in this review. Moreover, the structure, optoelectronic properties, and conductive mechanism of AZO thin films are also detailed. The thin films’ main preparation processes and the advantages and disadvantages of each process method are mainly discussed, and their application fields are expounded. AZO thin films with multicomponent composite structures are one of the promising development directions in transparent conductive oxide (TCO) thin films. The development of various preparation processes has promoted the production and application of thin films on a broad scale. Finally, some improvement schemes have been proposed to improve the comprehensive performance of the film. The industrialization prospects of the AZO film, as well as its great development potential in the digital world, are discussed. Full article
(This article belongs to the Special Issue Advanced Energy Materials for Solar Cells, Photocatalysis, and Optoelectronic Devices)
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