Solid State SciencesPub Date : 2025-06-20DOI: 10.1016/j.solidstatesciences.2025.108012
Feifei Tao , Xiangfeiyi Yu , Linxia Wang , Hongyan Bai , Zhihua Liu
{"title":"Carbon quantum dots modified BiVO4 for boosting visible-light-responsive photocatalytic performance","authors":"Feifei Tao , Xiangfeiyi Yu , Linxia Wang , Hongyan Bai , Zhihua Liu","doi":"10.1016/j.solidstatesciences.2025.108012","DOIUrl":"10.1016/j.solidstatesciences.2025.108012","url":null,"abstract":"<div><div>Photocatalytic technology can utilize sunlight to achieve deep degradation of organic dyes under the action of catalysts. Herein, a novel composite of carbon quantum dots (CQDs) and bismuth vanadate (BiVO<sub>4</sub>) nanoparticles were constructed via the facile solvothermal method. The procured CQDs/BiVO<sub>4</sub> composites exhibit large specific surface area, narrow bandgap, low recombination efficiency of photo-induced electron-hole pairs, and rapid charge transfer. The optimized CQDs/BiVO<sub>4</sub> composite (CB-3) loading 20 mL CQDs solution (∼1 mg mL<sup>−1</sup>) can perfectly degrade methyl orange (MO), whose apparent rate constant (<em>k</em><sub>app</sub>) is 4.4 times greater than that of pure BiVO<sub>4</sub>. Noteworthy, CQDs can act as an electron acceptor to hinder photoinduced electron-hole binding in BiVO<sub>4</sub> and extend the range of light absorption due to its unique up-conversion. Moreover, the CQDs/BiVO<sub>4</sub> photocatalyst demonstrates the excellent photocatalytic stability, which is conducive to the practical application. The design and fabrication of CQDs/BiVO<sub>4</sub> composites provides an available strategy for the development of BiVO<sub>4</sub>-based photocatalysts.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"168 ","pages":"Article 108012"},"PeriodicalIF":3.4,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144330631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Thermoluminescence properties of Ti-doped CaSiO3 single crystals","authors":"Airo Fujii, Keiichiro Miyazaki, Takumi Kato, Daisuke Nakauchi, Noriaki Kawaguchi, Takayuki Yanagida","doi":"10.1016/j.solidstatesciences.2025.108013","DOIUrl":"10.1016/j.solidstatesciences.2025.108013","url":null,"abstract":"<div><div>Undoped and Ti-doped CaSiO<sub>3</sub> single crystals were synthesized by the floating zone method, and the photoluminescence (PL) and thermoluminescence (TL) properties were researched. From the measurements of the PL and TL spectra, the emission origin of all the samples would be due to charge transfer between Ti<sup>4+</sup> and O<sup>2−</sup>. In addition, all the samples indicated TL glow peaks at 70, 130, 270, and 360 °C. As a result, the 0.3 % Ti-doped sample showed a dynamic range between 0.1 and 1000 mGy, reusability, and fading of 10–30 % for a week.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"168 ","pages":"Article 108013"},"PeriodicalIF":3.4,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144306662","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Solid State SciencesPub Date : 2025-06-13DOI: 10.1016/j.solidstatesciences.2025.108010
Zamzama Rahmany, C.K. Divya Krishnan, S. Savitha Pillai
{"title":"Structure and magnetodielectric properties of HDPE/GaFeO3 composites","authors":"Zamzama Rahmany, C.K. Divya Krishnan, S. Savitha Pillai","doi":"10.1016/j.solidstatesciences.2025.108010","DOIUrl":"10.1016/j.solidstatesciences.2025.108010","url":null,"abstract":"<div><div>We studied the structure and magnetoelectric properties of HDPE/GFO composites with different GFO weight percentages. The XRD pattern of HDPE was indexed with orthorhombic structure space group Pnam, and the XRD pattern of GFO matches the Trigonal structure space group <span><math><mrow><mi>R</mi><mover><mn>3</mn><mo>‾</mo></mover><mi>c</mi></mrow></math></span>. The XRD pattern of composites shows the presence of both phases. Raman and IR studies confirmed the presence of functional group absorption bands corresponding to HDPE and GFO in the composite system. Structural analysis confirms that nanoparticle agglomeration within the matrix is likely to occur at filler concentrations above 5 %. GFO nanoparticle incorporation is confirmed from fractured micrographs of SEM images. The field-dependant magnetization data show a clear hysteresis loop at room temperature, indicating weak ferrimagnetic properties for composite samples, the maximum magnetic moment observed for 5 % filler concentration. The frequency-dependent dielectric constant increases with an increase in filler content. Ferroelectric data confirms the room temperature ferroelectricity in the composite samples and polarization increases with filler loading. Magnetodielectric studies confirmed the presence of a coupling between the magnetic and dielectric properties of the composite.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"168 ","pages":"Article 108010"},"PeriodicalIF":3.4,"publicationDate":"2025-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144298137","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Solid State SciencesPub Date : 2025-06-13DOI: 10.1016/j.solidstatesciences.2025.108005
Qi Guo , Xiaoling Liu , Meng Wen , Haijuan Zhan , Heping Li , Jing-xin Ma , Wanyi Liu
{"title":"Z-scheme CuO/NCN nanomaterials for rapid fluorescence detection and photocatalytic degradation of levofloxacin","authors":"Qi Guo , Xiaoling Liu , Meng Wen , Haijuan Zhan , Heping Li , Jing-xin Ma , Wanyi Liu","doi":"10.1016/j.solidstatesciences.2025.108005","DOIUrl":"10.1016/j.solidstatesciences.2025.108005","url":null,"abstract":"<div><div>Z-scheme CuO/NCN heterojunction nanomaterials have been successfully synthesised by loading copper oxide on g-C<sub>3</sub>N<sub>4</sub> modified with NCDs (NCN). The material detects and photocatalytically degrades levofloxacin (LOFL) in aqueous solution by fluorescence “turn on”. CuO/NCN has good sensing performance for LOFL in the range of 0–0.275 mM[R<sup>2</sup> = 0.9994, detection limit: 0.360 μM (0.143 ppm)]. Through comprehensive tests, it was verified that the fluorescence sensitisation mechanism can be attributed to the combination of IFE and photoinduced electron transfer. Meanwhile, Transfacial electron transport bridges (NCDs) establish double charge transfer pathways that simultaneously accelerate electron flow and Cu(II)/Cu(I) redox cycling in Z-scheme CuO/NCN heterojunctions, resulting in a synergistic photo-Fenton-like system. By constructing CuO/NCN nanomaterials, an integrated solution to treat LOFL contamination in water has been realised, equipped with detection and removal capabilities. This opens up a promising avenue to effectively, rapidly and economically address LOFL contamination in water.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"168 ","pages":"Article 108005"},"PeriodicalIF":3.4,"publicationDate":"2025-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144298136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Solid State SciencesPub Date : 2025-06-12DOI: 10.1016/j.solidstatesciences.2025.108011
Trong Phan , Yu-Chih Tseng , Yurij Mozharivskyj
{"title":"Optimization of thermoelectric properties of n-type Mn- and Te-doped Mg3Sb2-xBix phases","authors":"Trong Phan , Yu-Chih Tseng , Yurij Mozharivskyj","doi":"10.1016/j.solidstatesciences.2025.108011","DOIUrl":"10.1016/j.solidstatesciences.2025.108011","url":null,"abstract":"<div><div>This study explores the effects of Mg and Bi amounts, ball milling duration, and sintering conditions on the purity and thermoelectric properties of the Mn- and Te-doped Mg<sub>3</sub>Sb<sub>2-<em>x</em></sub>Bi<sub><em>x</em></sub> phases (Mg<sub>2.97+<em>y</em></sub>Mn<sub>0.03</sub>Bi<sub><em>x</em></sub>Sb<sub>1.99-<em>x</em></sub>Te<sub>0.01</sub>). We found that excess Mg is necessary to achieve phase pure samples, but too much Mg forms impurities that decrease thermoelectric efficiency. Increasing Bi content leads to lower phase stability and decomposition. There is also an optimal ball milling time, beyond which decomposition of the material occurs. The highest figure of merit, zT, of 1.44 was achieved for the Mg<sub>3.27</sub>Mn<sub>0.03</sub>Bi<sub>1.30</sub>Sb<sub>0.69</sub>Te<sub>0.01</sub> sample at 623K, which is comparable to the performance of Bi<sub>2</sub>Te<sub>3</sub>. Our findings suggest that Mg<sub>3</sub>Sb<sub>2-<em>x</em></sub>Bi<sub><em>x</em></sub> phases are promising low-cost and environmentally friendly thermoelectric materials mid-range temperature applications.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"168 ","pages":"Article 108011"},"PeriodicalIF":3.4,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144321725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"High-performance amorphous silicon - copper composite film anode for lithium-ion batteries with superior cycle stability and conductivity","authors":"Wenyu Zheng , Haining Wu , Yajuan Jiang , Yicong Huang , Anhong Luo , Yunyun Zhao , Kunpeng Jiang , Huarui Xu , Guisheng Zhu","doi":"10.1016/j.solidstatesciences.2025.108007","DOIUrl":"10.1016/j.solidstatesciences.2025.108007","url":null,"abstract":"<div><div>With the continuous improvement of performance requirements for lithium-ion batteries, developing a high-volume stable anode has become a research priority. Amorphous silicon as a potential anode material for Li-ion batteries has a high theoretical specific capacity, but suffers from poor electrical conductivity and large volume expansion. Copper is renowned for its remarkable electrical conductivity and robust mechanical strength. Harnessing these exceptional properties, we can effectively improve the performance of silicon anodes. Through the magnetron sputtering method, an amorphous silicon - copper composite film anode has been successfully fabricated.</div><div>As a new type of anode material for lithium-ion batteries, the amorphous silicon-copper composite film has a first coulombic efficiency of 83.30 % at a current density of 420 mA/g and a reversible capacity retention rate of 95.63 % for 100 to 500 cycles. The volume expansion rate after 500 cycles is 176.9 %. The equivalent resistance of the composite film is about 136 Ohms, and the composite film has the advantages of high coulombic efficiency, good cycle stability, and good electrical conductivity, which provides a new idea and way to improve the performance of lithium-ion batteries.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"168 ","pages":"Article 108007"},"PeriodicalIF":3.4,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144321724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Solid State SciencesPub Date : 2025-06-10DOI: 10.1016/j.solidstatesciences.2025.108008
Hiba Elmansour , Donghui Wang , Shuanglong Li , Zehui Yu , Reem Emam , Feng Chen
{"title":"2D-graphite carbon nitride/covalent organic framework heterostructure for enhanced photocatalytic H2 evolution","authors":"Hiba Elmansour , Donghui Wang , Shuanglong Li , Zehui Yu , Reem Emam , Feng Chen","doi":"10.1016/j.solidstatesciences.2025.108008","DOIUrl":"10.1016/j.solidstatesciences.2025.108008","url":null,"abstract":"<div><div>Heterojunctions composed of two-dimensional <em>g</em>-C<sub>3</sub>N<sub>4</sub> (2D-CN) and covalent organic framework (TpPa-COF) were successfully prepared and named as 2D-CN/TpPa. TEM and XPS characterizations confirm that there is good contact between 2D-CN and TpPa-COF in the 2D-CN/TpPa. The fragmented 2D nanosheet structure of 2D-CN facilitates the formation of a more efficient heterojunction with TpPa-COF. 2D-CN/TpPa15 achieved the highest H<sub>2</sub> evolution rate of 19539 μmol g<sup>−1</sup> h<sup>−1</sup> under visible light irradiation, which is higher than that of BCN/TpPa15 (13,279 μmol g<sup>−1</sup> h<sup>−1</sup>) and represented a 3.8-fold and 148-fold improvement over 2D-CN and TpPa-COF, respectively. DFT calculations indicate that 2D-CN possesses a higher W<sub>f</sub> than TpPa-COF, thereby inducing the formation of a built-in electric field directed from TpPa-COF to 2D-CN in the 2D-CN/TpPa, which facilitates the migration of photogenerated electrons from the CB of 2D-CN to that of TpPa-COF under photoexcitation. Continuous experiments demonstrates that the photocatalytic activity of 2D-CN/TpPa15 remained stable following a 24 h photocatalytic reaction. This study proposes a promising strategy for developing <em>g</em>-C<sub>3</sub>N<sub>4</sub>-based composites with substantially enhanced photocatalytic performance.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"168 ","pages":"Article 108008"},"PeriodicalIF":3.4,"publicationDate":"2025-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144263633","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Solid State SciencesPub Date : 2025-06-09DOI: 10.1016/j.solidstatesciences.2025.107996
Yaren Gücüyener , Elvan Nermin , Gamze Öztürk , Sinan Daloğlu , Oğuz Karaahmet , Buğra Çiçek
{"title":"Investigation of hydrophobicity variations in hBN-Embedded SiO2-Na2O-B2O3-Bi2O3-ZnO-F glass-ceramic coating systems","authors":"Yaren Gücüyener , Elvan Nermin , Gamze Öztürk , Sinan Daloğlu , Oğuz Karaahmet , Buğra Çiçek","doi":"10.1016/j.solidstatesciences.2025.107996","DOIUrl":"10.1016/j.solidstatesciences.2025.107996","url":null,"abstract":"<div><div>This study investigates the effect of hexagonal boron nitride (hBN) additives on the hydrophobicity and surface morphology of glass-ceramic coatings (GCCs). A precursor glass (PG) system composed of SiO<sub>2</sub>-Na<sub>2</sub>O-B<sub>2</sub>O<sub>3</sub>-Bi<sub>2</sub>O<sub>3</sub>-ZnO-F was milled with varying hBN concentrations (0 %, 0.5 %, 1.0 %, 3.0 %, and 5.0 %). The resulting slurries were wet-sprayed onto a metal substrate and subsequently devitrified at 810 °C for 4.5 min. X-ray Diffraction (XRD) analysis of the coatings confirmed the successful incorporation of hBN crystallinity within the glassy matrix. Non-contact optical profilometry (NCOP) revealed that surface roughness (Ra) increased from 1.58 μm to 2.89 μm, while topographic mapping showed an increase in surface height variation (Δh) from 20 μm to 45 μm as hBN content increased. Scanning Electron Microscopy (SEM) further corroborated these results, demonstrating a progressive increase in surface roughness with higher hBN content. The unmodified GCC exhibited a smooth and uniform morphology, whereas coatings with hBN, particularly at 5 wt%, displayed a rougher, more heterogeneous surface topography. These observed microstructural changes closely aligned with NCOP and contact angle measurements. Contact angle (CA) analysis demonstrated a notable enhancement in hydrophobicity, with values increasing from 27.27° for the unmodified GCC to 90.95° at the highest hBN concentration. These findings collectively demonstrate that incorporating hBN into GCCs effectively enhances surface roughness and hydrophobicity, thereby offering significant potential for various industrial applications.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"168 ","pages":"Article 107996"},"PeriodicalIF":3.4,"publicationDate":"2025-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144280580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Solid State SciencesPub Date : 2025-06-06DOI: 10.1016/j.solidstatesciences.2025.108004
D.A. Kislov , I.A. Stenina , A.B. Yaroslavtsev
{"title":"Lithiation/delithiation kinetics in nano-, micro- and highly porous silicon","authors":"D.A. Kislov , I.A. Stenina , A.B. Yaroslavtsev","doi":"10.1016/j.solidstatesciences.2025.108004","DOIUrl":"10.1016/j.solidstatesciences.2025.108004","url":null,"abstract":"<div><div>Highly porous silicon microparticles were prepared by magnesiothermic reduction of silica. The properties of the prepared porous material, as well as commercial micro- and nanoparticles of silicon have been studied using XRD, Raman spectroscopy, SEM, BET and galvanostatic cycling. The kinetics of lithium diffusion have been studied by cyclic voltammetry. The diffusion coefficients of lithium cations during lithiation were (1.5 ± 0.3) × 10<sup>−11</sup>, (1.2 ± 0.1) × 10<sup>−11</sup> and (2.3 ± 0.5) × 10<sup>−12</sup> cm<sup>2</sup>/s for nanoparticles, hierarchically porous and monolithic silicon microparticles, respectively. The diffusion coefficients during delithiation were (8.3 ± 1.3) × 10<sup>−12</sup>, (6.7 ± 0.3) × 10<sup>−12</sup> and (2.5 ± 0.4) × 10<sup>−12</sup> cm<sup>2</sup>/s, respectively. The difference in the rates of lithiation and delithiation is most pronounced for nanoscale materials.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"168 ","pages":"Article 108004"},"PeriodicalIF":3.4,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144241093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Solid State SciencesPub Date : 2025-05-30DOI: 10.1016/j.solidstatesciences.2025.107995
Pengshan Guo , En Li , Qingnan Zhang , Xinyue Yan , Jinghua Li
{"title":"Hexagonal Cu2O/Pt for photothermal and photo-Fenton synergistic degradation of dye contaminant","authors":"Pengshan Guo , En Li , Qingnan Zhang , Xinyue Yan , Jinghua Li","doi":"10.1016/j.solidstatesciences.2025.107995","DOIUrl":"10.1016/j.solidstatesciences.2025.107995","url":null,"abstract":"<div><div>The rising pollution of aquatic ecosystems due to industrial dyes makes it essential to create efficient strategies for remediation. In this study, we synthesized an unusual Cu<sub>2</sub>O/Pt photocatalytic Fenton-like catalyst through heterojunction engineering and high-temperature modification of cuprous oxide, with platinum nanoparticles serving as a cocatalyst to enhance charge separation and catalytic efficiency. Under near-infrared light irradiation, the Cu<sub>2</sub>O/Pt catalyst exhibited remarkable photothermal performance, rapidly achieving elevated temperatures that further accelerated the degradation of methylene blue. degradation experiments indicated that the Cu<sub>2</sub>O/Pt catalyst achieved over 99 % removal efficiency, outperforming pure Cu<sub>2</sub>O by facilitating greater hydroxyl radical generation through enhanced hydrogen peroxide decomposition. The enhanced degradation efficiency is attributed to the synergistic effect between Cu<sub>2</sub>O and Pt, which not only expands the effective pH range but also ensures the reproducibility and durability of the catalytic process. The results underscore the Cu<sub>2</sub>O/Pt system's advantageous potential for practical applications in wastewater treatment, offering an effective and sustainable approach to reduce industrial water pollution.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"167 ","pages":"Article 107995"},"PeriodicalIF":3.4,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144184567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}