Ceramics International最新文献

{"title":"Effect of potassium on the near-infrared shielding efficiency of anisotropic WO3 nanostructures for smart window applications","authors":"Priya Dimri ,&nbsp;Debalaya Sarker ,&nbsp;Himani Sharma ,&nbsp;Charu Dwivedi","doi":"10.1016/j.ceramint.2025.06.274","DOIUrl":"10.1016/j.ceramint.2025.06.274","url":null,"abstract":"<div><div><span><span><span><span>Near infrared (NIR) region consists of nearly 50 % of total solar radiation. </span>Heat radiation from glass windows contributes significantly to the heat exchange in modern structures, using up to 70 % energy in the process. Therefore, reducing NIR </span>transmittance<span> is crucial to minimize building energy consumption. Strong near-infrared absorption, low cost, high visual transmittance, and ease of use are requirements for solar </span></span>heat shielding<span><span> materials. In this study, potassium<span> tungsten oxide </span></span>nanorods (K-WO</span></span>₃<span><span><span> NR) and potassium </span>tungsten<span> oxide </span></span>nanofibers (K-WO</span>₃<span> NF) were subsequently prepared using a facile hydrothermal method<span>, with the potassium salt concentration systematically varied to investigate its influence on WO</span></span>₃<span> nanorods (WO</span>₃ NR) and WO₃<span> nanoplates (WO</span>₃<span> NP) properties. Films of the synthesized nanomaterials<span><span> were prepared using a 10 wt% solution of polyvinylpyrrolidone (PVP) through the drop-casting technique in a </span>glass substrate and the near-infrared shielding efficiency of WO</span></span>₃<span> nanorods (NR), K-WO</span>₃<span> nanorods (NR), WO</span>₃ nanoplates (NP) and K-WO₃<span><span><span> nanofibers<span> (NF) were evaluated for smart window applications. </span></span>Fourier transform infrared spectroscopy<span><span><span><span>, Raman, X-ray diffraction, X-ray photoelectron spectroscopy, </span>Zeta potential, high-resolution transmission </span>electron microscopy, </span>field emission scanning electron microscopy<span><span>, and UV–visible NIR spectrophotometer characterization techniques were employed to understand their fundamental, physical, chemical, structural and </span>optical properties. </span></span></span>UV visible<span> NIR spectrophotometer study revealed that uncoated glass substrates exhibited 91 % visible light<span> transmittance with no NIR shielding, while WO</span></span></span>₃ films shielded 65 %–92 % NIR with visible transmittance (8 %–10 %). Potassium salt addition in WO₃ NR and WO₃ NP enhanced the balance between NIR shielding and visibility, with K-WO₃ NR (1) films achieving 50 %–76 % NIR shielding and 23 % visibility, and K-WO₃ NF (2) films achieving 60 %–83 % NIR shielding and 17 % visibility. The tunable optical performance and facile synthesis of K-WO₃ nanostructures highlight their potential as cost-effective, high-performance materials for energy-efficient smart windows applications.</div></div>","PeriodicalId":267,"journal":{"name":"Ceramics International","volume":"51 23","pages":"Pages 40387-40400"},"PeriodicalIF":5.6,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144922651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Lamellar matrix enhanced continuous mullite fiber reinforced Al2O3-SiO2 porous composites with improved thermal insulation and mechanical performance","authors":"Jing Chang ,&nbsp;Xukun Yang ,&nbsp;Yifan Li ,&nbsp;Shuai Chen ,&nbsp;Qinyin Xu ,&nbsp;Yixin Zhang ,&nbsp;Liwen Yan","doi":"10.1016/j.ceramint.2025.06.217","DOIUrl":"10.1016/j.ceramint.2025.06.217","url":null,"abstract":"<div><div><span>Mullite<span> fiber felt with outstanding thermal stability and excellent thermal insulation performance was widely used as a thermal protection material in the aerospace field. However, the poor mechanical property severely restricted the application of mullite fiber felt. Herein, the mullite fiber felt reinforced Al</span></span>₂O₃-SiO₂ (MF/Al₂O₃-SiO₂) porous composites with lamellar matrix were fabricated by the sol impregnation combined with the freeze-drying method. Compared to the ambient-dried MF/Al₂O₃-SiO₂ composites, freeze-dried MF/Al₂O₃-SiO₂ composites with lamellar matrix possessed a lower density (0.32–0.86 g/cm³<span>), higher porosity (73.30–90.03 %) and lower thermal conductivity (0.12–0.22 W m</span>⁻¹ K⁻¹). What’s more, due to the dense lamellar Al₂O₃-SiO₂<span> ceramic matrix, the compressive strength of freeze-dried MF/Al</span>₂O₃-SiO₂ composites was nearly 4 times higher than that of ambient-dried MF/Al₂O₃-SiO₂ composites and up to 4.25 MPa. In addition, the thermal and mechanical properties of MF/Al₂O₃-SiO₂ composites were maintained well at 1400 °C. The improved thermal insulation and mechanical properties of MF/Al₂O₃-SiO₂ porous composites with lamellar matrix indicated that MF/Al₂O₃-SiO₂ porous composites could be a promising candidate as the high-temperature thermal protection material in the aerospace field.</div></div>","PeriodicalId":267,"journal":{"name":"Ceramics International","volume":"51 23","pages":"Pages 39825-39832"},"PeriodicalIF":5.6,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144922577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Energy harvesting and functional properties of Sr1-xZnx(Fe0.5V0.5)O3 complex perovskites","authors":"Sagarika Das,&nbsp;R.N.P. Choudhary","doi":"10.1016/j.ceramint.2025.06.275","DOIUrl":"10.1016/j.ceramint.2025.06.275","url":null,"abstract":"<div><div>This study explains the synthesis and characterization of Sr_1-xZn_x(Fe_0.5V_0.5)O_3,<span> with x values of 0, 0.05, 0.10, and 0.15. These polycrystalline samples are synthesized using ceramic fabrication techniques based on the solid-state route, and their tetragonal structure is validated by X-ray analysis. The crystallite<span><span> and grain sizes for x = 0.10 are 62 nm and 1.2 μm, respectively, larger than those of the other compositions. Owing to the larger grain size, the sample with x = 0.10 exhibits a 31 % increase in dielectric constant compared to x = 0. </span>Raman spectroscopy<span> reveals the distinct modes of stretching and vibration, with an increase in Raman peak frequency confirming lattice distortion resulting from zinc substitution at the A site. All samples exhibit relaxor properties, as confirmed by the dielectric study. The conductivity study confirms that electrical conductivity<span> is attributed to singly/doubly ionized oxygen and polaron for different frequency ranges. The effect of grains and grain boundaries on conduction is evident from impedance analysis. The improved ferroelectric<span> and piezoelectric characteristics of x = 0.10 composition, reflected by a remnant polarization of 0.07 μC/cm</span></span></span></span></span>²<span> and a piezoelectric charge constant of 87 pC/N, are due to the larger grain size of the sample. A higher piezoelectric charge constant enables x = 0.10 to achieve improved energy harvesting performance, as evidenced by a maximum peak-to-peak voltage of 18.28 V. Better optical performance due to more oxygen vacancies in x = 0.10 is attributed to its lower band gap (3.45 eV) and higher Urbach energy (1.98 eV), indicating its suitability for optical device applications.</span></div></div>","PeriodicalId":267,"journal":{"name":"Ceramics International","volume":"51 23","pages":"Pages 40401-40413"},"PeriodicalIF":5.6,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144922652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Tuning phase transition properties of bulk VO2/Al composites through the pressure control of SPS","authors":"Jing Wang ,&nbsp;Long Zeng ,&nbsp;Mingxu Xia ,&nbsp;Zhen Zhang ,&nbsp;Jiamiao Liang ,&nbsp;Weizong Bao ,&nbsp;Tao Hong ,&nbsp;Guoqiang Xie ,&nbsp;Jianguo Li","doi":"10.1016/j.ceramint.2025.06.267","DOIUrl":"10.1016/j.ceramint.2025.06.267","url":null,"abstract":"<div><div>VO₂<span><span>/Al composites were fabricated via spark plasma sintering (SPS) under diverse temperatures and pressures for the purpose of tuning phase transition behaviours. The experimental results suggest that appropriately lowering the </span>sintering temperature is favourable to generate pure VO</span>₂<span><span>/Al composites, on the basis of which the pressure is increased to make the material dense. At the same time, it has been found that high pressures in the sintering process have a negative impact on the latent heat of the composites. This adverse effect is attributed to the introduction of residual stress and the formation of </span>oxygen vacancies, which are recognized as destabilizing the insulating phase of VO</span>₂ and suppressing the sharpness of the phase transition. Nevertheless, the bulk VO₂<span><span>/Al composites still possess tunable emissivity properties. At the actual temperature of 105 °C, the composite sintered at 500 MPa has a thermal radiation temperature as low as 46.6 °C, which provides good infrared stealth performance. The findings provide crucial insights for optimizing the </span>sintering conditions to balance the density and phase transition performance of VO</span>₂/Al composites, which are pertinent to their application in adaptive infrared stealth and other temperature-sensitive applications.</div></div>","PeriodicalId":267,"journal":{"name":"Ceramics International","volume":"51 23","pages":"Pages 40325-40334"},"PeriodicalIF":5.6,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144922726","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Electrospinning of yttrium-doped carbon fibers with enhanced high temperature stability and oxidation resistance","authors":"Jing Li ,&nbsp;Mengli Hou ,&nbsp;Qitong Zhu ,&nbsp;Jing Ren ,&nbsp;Hongli Liu","doi":"10.1016/j.ceramint.2025.06.253","DOIUrl":"10.1016/j.ceramint.2025.06.253","url":null,"abstract":"<div><div><span><span>Polyacrylonitrile (PAN)-based carbon fibers have the advantages of light weight, high </span>strength<span><span><span>, and high temperature resistance, which make them widely used in aerospace, capacitance and sensing. However, the oxidation problem at high temperature limits their real applications. The comprehensive performance of PAN-based carbon fibers can be effectively improved by the structure design through metal </span>element doping and the preparation process optimization of electrospinning technology. In this paper, </span>yttrium acetylacetonate (Y(acac)</span></span>₃<span>) was introduced into the spinning solution and yttrium-doped carbon fibers with diameters of about 234 nm were controllably prepared by electrostatic spinning, followed by the pre-oxidation and carbonization<span> procedure. Nanoparticles with the compositions of Y</span></span>₂O₃ and Y₂<span>OC were tightly and uniformly attached to the surface of carbon fibers. With the introduction of hetero elements, the onset and half decomposition temperature under an air atmosphere both increased by 90 and 140 °C, respectively. It ensured the improvement of anti-oxidation performance, which was accompanied by good thermal insulation and mechanical properties. Such excellent antioxidant properties suggest that the prepared yttrium-doped carbon fibers can be excellent high-temperature insulation materials. The mechanism of anti-oxidation for the metal-doped carbon fibers provides the theoretical support for the design and preparation of carbon fibers.</span></div></div>","PeriodicalId":267,"journal":{"name":"Ceramics International","volume":"51 23","pages":"Pages 40204-40211"},"PeriodicalIF":5.6,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144922822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of Y2O3 sintering aids on the microstructure and mechanical-thermal-dielectric properties of AlN-SiC composites","authors":"Subir Kumar Roy ,&nbsp;Joydip Joardar ,&nbsp;Adiraj Srinivas ,&nbsp;J.K.N. Murthy ,&nbsp;J.J. Reddy","doi":"10.1016/j.ceramint.2025.06.237","DOIUrl":"10.1016/j.ceramint.2025.06.237","url":null,"abstract":"<div><div>AlN-SiC composites were fabricated by hot pressing and studied as a candidate to substitute the traditional microwave absorbing BeO based ceramic composites. The addition of Y₂O₃<span><span> as a sintering aid improved the density and </span>thermal conductivity<span> of the AlN-SiC ceramic composites. Hot pressed ceramic composites showed the relative density of 99.99 %. X-Ray diffraction and Scanning Electron Microscopy analyses of the hot-pressed composites indicated that Y</span></span>₂O₃<span> reacted with the oxygen impurities of AlN<span> and the resultant product gets deposited at the AlN-SiC grain boundary which improved the densification<span> and thermal conductivity of the composites. Hot pressed 60AlN-40SiC-3Y</span></span></span>₂O₃<span><span> composite showed a thermal conductivity maximum of 61.7 W/mK, </span>flexural strength of 350–460 MPa and Hardness of 17.5–19.0 GPa. 80AlN-20SiC-3Y</span>₂O₃<span><span><span><span> composite showed thermal conductivity maximum of 55.7 W/mK, </span>flexural strength of 300–400 MPa and Hardness: 16.5–18.0 GPa. The real part of the </span>complex permittivity of the composites measured at 8–12 GHz increased from 10 to 27 with increasing the </span>SiC<span><span> content in the composite from 20 to 40 wt percent. The permittivity for the composites increased with decreasing the frequency to the range of 2–4 GHz. Dielectric constant of the composites could be improved moderately and loss tangent could be increased abruptly by increasing the </span>SiC<span> fraction to AlN.</span></span></span></div></div>","PeriodicalId":267,"journal":{"name":"Ceramics International","volume":"51 23","pages":"Pages 40032-40040"},"PeriodicalIF":5.6,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144922804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"High-entropy fluorite-structured molybdates for efficient red-emitting phosphors","authors":"Suyin Zhang,&nbsp;Qinhua Wei,&nbsp;Hang Yin,&nbsp;Gao Tang,&nbsp;Laishun Qin","doi":"10.1016/j.ceramint.2025.06.239","DOIUrl":"10.1016/j.ceramint.2025.06.239","url":null,"abstract":"<div><div><span>Rare-earth-doped high-entropy oxides (HEOs) can provide an option to optimize luminescent materials<span> by leveraging structural disorder and cationic diversity. This work reports the design and synthesis of a high-entropy fluorite-structured molybdate, Na</span></span>_0.4M_4.6Mo₃O₁₆ (M = La, Gd, Y, Lu, Eu), as a superior host for Eu³⁺-activated red emission. The multi-cation disorder inherent to the high-entropy matrix stabilizes a rigid lattice, suppressing phonon-mediated non-radiative decay and inducing local asymmetry around Eu³⁺ ions. This asymmetry enhances the electric dipole-dominated ⁵D₀→⁷F₂<span> transition, yielding intense and pure<span> red luminescence with a quantum efficiency (QE) of 70.5 % under 395 nm excitation-nearly double that of commercial Y</span></span>₂O₂S:Eu³⁺<span>. Structural and spectroscopic analyses confirm reduced concentration quenching and improved thermal stability (activation energy </span><em>Δ</em>E = 0.308 eV), attributed to spatial isolation of Eu³⁺<span> ions via cationic disorder. The results demonstrate that entropy-driven structural engineering in HEOs offers a versatile strategy to tailor luminescent<span> properties, paving the way for advanced optoelectronic applications.</span></span></div></div>","PeriodicalId":267,"journal":{"name":"Ceramics International","volume":"51 23","pages":"Pages 40048-40056"},"PeriodicalIF":5.6,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144922806","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A novel ZrC precursor with functional C=C bonds: One-pot synthesis, characterization and ceramization","authors":"Xiantao Yang ,&nbsp;Yuenong Liu ,&nbsp;Jingtong Deng ,&nbsp;Haiyun Peng ,&nbsp;Junyi Zheng ,&nbsp;Manxuan Zhang ,&nbsp;Jin Jiang ,&nbsp;Zhaoju Yu","doi":"10.1016/j.ceramint.2025.06.240","DOIUrl":"10.1016/j.ceramint.2025.06.240","url":null,"abstract":"<div><div><span><span><span>In the present work, a novel single-source ZrC precursor containing functional C=C bonds, named as ZMH, was synthesized via a simple one-pot synthesis strategy, with zirconium tetrachloride, methacrylic anhydride, and hydroquinone as raw materials. The molecular weight of the precursor was assessed by </span>gel permeation chromatography, and the dynamic viscosity of solutions was measured using rotational rheometer. The synthesis, cross-linking and ceramization of the single-source precursors were investigated via </span>nuclear magnetic resonance spectroscopy<span>, Fourier transform infrared spectroscopy<span> and thermogravimetric analysis<span><span>. The phase and microstructural evolution of the obtained ceramics were characterized using X-ray diffraction, </span>transmission electron microscopy, and energy-dispersive X-ray spectroscopy. The polymer-to-ceramic transformation of the ZMH precursor was completed after heat treatment at 600 °C, forming the ZrO</span></span></span></span>₂ phase. Subsequently, ZrO₂<span><span> ceramics were transformed into ZrC ceramics after annealing at 1500 °C, with an average grain size of 40–70 nm and uniform elemental distribution. The ceramic yield of the ZMH precursor reaches as high as 48.19 % at 1400 °C. The impressively high ceramic yields are attributed to i) the condensation reaction (OH/OH) and ii) the addition reaction (C=C/C=C) during the cross-linking process of precursors. The synthesis route is simple and cost-effective. And the ZMH precursor exhibits excellent solubility, with a viscosity of 3.1–408.9 cp for 30–70 wt% precursor solutions. Thus, the novel ZMH precursor demonstrates potential in the fabrication of </span>ceramic matrix composites<span> via the polymer infiltration and pyrolysis method, making it a promising candidate for the development of next-generation thermal protection systems for hypersonic vehicles.</span></span></div></div>","PeriodicalId":267,"journal":{"name":"Ceramics International","volume":"51 23","pages":"Pages 40057-40066"},"PeriodicalIF":5.6,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144922809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synthesis and sintering of forsterite with high quality factor through quartzing and precise control of phase values","authors":"F. Soleimani ,&nbsp;S.S.S. Afghahi ,&nbsp;P. Dehghani","doi":"10.1016/j.ceramint.2025.06.229","DOIUrl":"10.1016/j.ceramint.2025.06.229","url":null,"abstract":"<div><div><span>This study demonstrates an advancement in the synthesis of high-performance forsterite (Mg</span>₂SiO₄<span>) ceramics through phase engineering and process optimization. We developed a novel approach that combines quartzing heat treatment with controlled particle size reduction to achieve exceptional dielectric properties<span>. By subjecting amorphous SiO</span></span>₂<span><span> to a pre-sintering quartzing treatment (970 °C for 8 h), we successfully stabilized the quartz phase. Systematic variation of silica particle size (5–70 μm) via high-energy milling allowed precise control over reaction kinetics and phase evolution. The optimized ceramic exhibited outstanding </span>microwave dielectric properties<span><span><span>, including a high quality factor<span><span> (Q = 234,000 at 10 GHz) and a low dielectric constant (εᵣ &lt; 6). Compared to previous works, the obtained value is within the highest range of </span>quality factors<span> ever reported. Microstructural characterization revealed the complete elimination of porosity in samples with sub-5 μm silica particles (F845-15H), achieving 96 % of the theoretical density through optimized sintering at 1450 °C. The quartzing </span></span></span>pretreatment was particularly effective in suppressing characteristic </span>dielectric loss<span> peaks between 10.5 and 11.9 GHz by controlling the quartz-to-cristobalite phase ratio. Rietveld refinement and FESEM analysis confirmed the critical role of phase stabilization in enhancing dielectric performance.</span></span></span></div></div>","PeriodicalId":267,"journal":{"name":"Ceramics International","volume":"51 23","pages":"Pages 39962-39969"},"PeriodicalIF":5.6,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144922858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Industry 4.0-enabled 3D printing for sustainable antireflection coversheets: Enhancing photovoltaic performance with silicon nitride-modified copolymers","authors":"Mohamad Reda A. Refaai","doi":"10.1016/j.ceramint.2025.06.230","DOIUrl":"10.1016/j.ceramint.2025.06.230","url":null,"abstract":"<div><div><span><span><span><span>In recent times, there has been a significant expansion in the utilization of photovoltaic<span> (PV) panels for electric power production<span> to meet increasing energy crisis. The reflectance is a phenomenon that lowers the power conversion efficiency<span> (PCE) of photovoltaic cells. The role of antireflection materials is crucial for absorbing the incident sunlight and improving the PCE. This work demonstrates the production of cyclic </span></span></span></span>olefin </span>copolymer<span> (COC) AR coversheets for polycrystalline Si<span> (p-Si) solar cells using Industry 4.0-enabled 3D printing technology to minimize reflection losses. Furthermore, </span></span></span>silicon nitride (Si</span>₃N₄<span>) was incorporated with COC (COCN coversheets) at various weight proportions to improve the antireflection properties. Several characterization techniques were employed to evaluate the performance of PV cells with bare COC and COCN coversheets. The morphology and structural characteristics of photovoltaic specimen were evaluated by X-ray diffraction (XRD) and scanning electron microscopy (SEM) technique. The optical characteristics like transmittance and absorbance of COC and various COCN coversheet specimen were examined by UV–Vis-spectroscopy. From the results, it is inferred that Si</span>₃N₄<span> added at 3 wt% with COC (COCN3) coversheet sample exhibited maximum efficiency of 22.34 % in regulated environment and 20.06 % in sunlight exposure respectively. The impact of working temperature under both uncontrolled and regulated air environments on COC and COCN covered silicon photovoltaic cells is examined.</span></div></div>","PeriodicalId":267,"journal":{"name":"Ceramics International","volume":"51 23","pages":"Pages 39970-39982"},"PeriodicalIF":5.6,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144922859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}