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Inorganics
Special Issues
New Semiconductor Materials for Energy Conversion
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New Semiconductor Materials for Energy Conversion

A special issue of Inorganics (ISSN 2304-6740). This special issue belongs to the section "Inorganic Materials".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 5551

Special Issue Editor

Prof. Dr. Peng Gao

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Guest Editor
1. CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
2. Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Sciences, Xiamen 361021, China
3. Laboratory for Advanced Functional Materials, Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Sciences, Xiamen 361021, China
Interests: organic/inorganic chemistry; semiconductors; photovoltaic; thermoelectric; X-ray detectors

Special Issue Information

Dear Colleagues,

We are pleased to announce our upcoming Special Issue entitled Semiconductor Materials for Energy Conversion. This Special Issue will delve into the historical evolution of semiconductor materials, especially low-bandgap variants, in terms of their applications, including in solar cells, thermoelectric generators, and light-emitting diodes, as well as their role in the versatile conversion of light, electricity, and mechanical energy. We invite scholars to submit contributions that unravel the latest advancements, challenges, and breakthroughs in this dynamic field, as this will help foster cross-disciplinary discussions and push the boundaries of energy conversion technologies.

Dr. Peng Gao
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. Inorganics is an international peer-reviewed open access monthly 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 2200 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

  • semiconductor materials
  • energy conversion
  • low-bandgap materials
  • solar cells
  • thermoelectric generators
  • light-emitting diodes (LEDs)
  • photovoltaics
  • energy harvesting
  • material science
  • multifunctional semiconductors

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Published Papers (4 papers)

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Research

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8 pages, 810 KiB  
Article
Getting to the Heart of the Matter: Control over the Photolysis of PbI2 Through Partial Lead Substitution
by Marina I. Ustinova, Gennadii V. Shilov, Pavel A. Troshin, Sergey M. Aldoshin and Lyubov A. Frolova
Inorganics 2025, 13(1), 13; https://doi.org/10.3390/inorganics13010013 - 6 Jan 2025
Viewed by 402
Abstract
A crucial problem of the photoinduced degradation of perovskite semiconductors based on complex lead halides has been addressed here by suppressing PbI2 photolysis to metallic lead. The systematic screening of >30 modifying cations introduced as substituents for 5% of Pb2+ in [...] Read more.
A crucial problem of the photoinduced degradation of perovskite semiconductors based on complex lead halides has been addressed here by suppressing PbI2 photolysis to metallic lead. The systematic screening of >30 modifying cations introduced as substituents for 5% of Pb2+ in the PbI2 composition has revealed their tremendous effects on the rate of material degradation under light exposure. Thus, the most successful stabilizing cations could maintain a high absorbance of the Pb0.95M0.1/nI2 films and block Pb0 formation after 400 h of continuous illumination, when the non-modified PbI2 films completely decomposed to Pb0 and I2. The obtained results present a promising solution for the problem of metallic lead formation in the active layer of perovskite solar cells during their operation, which can pave the way for the development of a new generation of highly efficient and stable perovskite photovoltaics. Full article
(This article belongs to the Special Issue New Semiconductor Materials for Energy Conversion)
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11 pages, 3525 KiB  
Article
Effects of Ti and Sn Substitutions on Magnetic and Transport Properties of the TiFe2Sn Full Heusler Compound
by Bogdan Popescu, Ilhame Assahsahi, Magdalena Galatanu and Andrei Galatanu
Inorganics 2024, 12(12), 322; https://doi.org/10.3390/inorganics12120322 - 11 Dec 2024
Viewed by 512
Abstract
The synthesis of polycrystalline TiFe2Sn samples by a route including arc melting and spark plasma sintering with Hf, Y, and In substitutions at the Ti and Sn sites is investigated. For a reduced amount of substitution, around 2 at%, the samples [...] Read more.
The synthesis of polycrystalline TiFe2Sn samples by a route including arc melting and spark plasma sintering with Hf, Y, and In substitutions at the Ti and Sn sites is investigated. For a reduced amount of substitution, around 2 at%, the samples are single phase, while for increased amounts, secondary phases segregate. As is characteristic of these compounds, the Fe-Ti atomic disorder generates a weak ferromagnetic ordering, which is also influenced by the type of substitutional atoms and the secondary phases in the samples with a higher Hf content. The Seebeck coefficient values show an increase for Ti0.98Hf0.02Fe2Sn and for samples with an adjusted Sn content, resulting in slightly increased power factor values. These values reach a maximum for Ti0.98Hf0.02Fe2Sn at approximately 300 K and for TiFe2Sn1.05 at approximately 325 K, namely, 2.69 × 10⁻4 Wm−1K−2 and 2.52 × 10⁻4 Wm−1K−2, respectively. The thermal conductivity of all the samples with substitutions increases with respect to the pristine sample. The highest figure of merit value of 0.016 is also obtained for Ti0.98Hf0.02Fe2Sn at 325 K. Full article
(This article belongs to the Special Issue New Semiconductor Materials for Energy Conversion)
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14 pages, 3746 KiB  
Article
Hybrid Gold-Based Perovskite Derivatives: Synthesis, Properties, and Prospects in Photovoltaics
by Chang Liu, Xifeng Fu, Zi-Ang Nan, Zilong Zhang, Lingyi Meng and Peng Gao
Inorganics 2024, 12(6), 157; https://doi.org/10.3390/inorganics12060157 - 31 May 2024
Viewed by 1340
Abstract
Hybrid gold-based perovskite derivatives typically exhibit low optical bandgaps and high optical absorption coefficients, rendering them promising for photovoltaic applications. In this study, we successfully synthesized six new hybrid gold-based perovskite derivatives, namely [(C6H8N2)(AuI4)(AuI2 [...] Read more.
Hybrid gold-based perovskite derivatives typically exhibit low optical bandgaps and high optical absorption coefficients, rendering them promising for photovoltaic applications. In this study, we successfully synthesized six new hybrid gold-based perovskite derivatives, namely [(C6H8N2)(AuI4)(AuI2)](3AMPY), [(C6H14N2)(AuI4)(AuI2)](3AMP), [(C8H12N)(AuI4)](2PEAI), [(C4H14N2O)(AuI4)2](OBA), [(C6H18N2O2)3(AuI4)4(I3)2](DDA), and [(C10H26N2O3)(AuI4)(I3)](TOTA), through a straightforward and efficient hydrothermal method, achieving millimeter-sized single crystals. The structural analysis of the single crystals revealed variations in crystal structures arising from differences in constituent units and their spatial positioning relationships. First-principles calculations ascertained their high optical absorption coefficients in the visible light spectrum and indirect bandgap properties. Theoretical models indicated that the spectroscopic limited maximum efficiency (SLME) values of 3AMPY, 2PEAI, DDA, and TOTA approached approximately 30% in films of 0.5 μm thickness, signifying their potential candidacy as solar cell absorbers. Full article
(This article belongs to the Special Issue New Semiconductor Materials for Energy Conversion)
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Review

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16 pages, 3119 KiB  
Review
Review on Preparation of Perovskite Solar Cells by Pulsed Laser Deposition
by Xinyu Lu, Xingjian Fan, Hao Zhang, Qingyu Xu and Mohsin Ijaz
Inorganics 2024, 12(5), 128; https://doi.org/10.3390/inorganics12050128 - 24 Apr 2024
Cited by 6 | Viewed by 2536
Abstract
Pulsed laser deposition (PLD) is a simple and extremely versatile technique to grow thin films and nanomaterials from a wide variety of materials. Compared to traditional fabrication methods, PLD is a clean physical vapour deposition approach that avoids complicated chemical reactions and by-products, [...] Read more.
Pulsed laser deposition (PLD) is a simple and extremely versatile technique to grow thin films and nanomaterials from a wide variety of materials. Compared to traditional fabrication methods, PLD is a clean physical vapour deposition approach that avoids complicated chemical reactions and by-products, achieving a precise stochiometric transfer of the target material onto the substrate and providing control over the film thickness. Halide perovskite materials have attracted extensive attention due to their excellent photoelectric and photovoltaic properties. In this paper, we present an overview of the fundamental and practical aspects of PLD. The properties and preparation methods of the halide perovskite materials are briefly discussed. Finally, we will elaborate on recent research on the preparation of perovskite solar cells by PLD, summarize the advantages and disadvantages of the PLD preparation, and prospect the all-vacuum PLD-grown solar cells in a full solar cell structure. Full article
(This article belongs to the Special Issue New Semiconductor Materials for Energy Conversion)
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