Solid State Sciences最新文献

{"title":"Insights into the structural chemistry, topology, and complexity of organically templated polychromates(VI) with the linear [CrnO3n+1]2– groups: Synthesis and crystal structures of 1-methylpiperazinium polychromates, (C5H14N2)Cr2O7 and (C5H14N2)Cr3O10","authors":"Sergey M. Aksenov ,&nbsp;Dmitri O. Charkin ,&nbsp;Alexander M. Banaru ,&nbsp;Dmitri N. Dmitriev ,&nbsp;Vadim E. Kireev ,&nbsp;Grigory S. Ilyin ,&nbsp;Yulia A. Vaitieva","doi":"10.1016/j.solidstatesciences.2025.107854","DOIUrl":"10.1016/j.solidstatesciences.2025.107854","url":null,"abstract":"<div><div>Single crystals of two new compounds, (C₅H₁₄N₂)Cr₂O₇ (<strong>1</strong>) and (C₅H₁₄N₂)Cr₃O₁₀ (<strong>2</strong>), were isolated from the reaction products of 1-methylpiperazine and chromium trioxide in aqueous media. The crystal structures have been studied by the means of single-crystal X-ray analysis. The unit cell parameters are: <em>a</em> = 7.8459(1) Å, <em>b</em> = 8.8295(1) Å, <em>c</em> = 15.8951(2) Å, β = 96.634(1)°, space group <em>P</em>2₁/<em>n</em> for <strong>1</strong> and <em>a</em> = 8.0620(2) Å, <em>b</em> = 11.6652(4) Å, <em>c</em> = 14.5690(5) Å, β = 100.285(3)°, space group <em>P</em>2₁/<em>c</em> for <strong>2</strong>. In contrast to chromate compounds templated by structurally related ethylenediammonium and piperazinediium cations, no monochromate was found in the 1-methylpiperazine – water – chromic oxide system. Both structures can be represented as nets of hydrogen bonds between the organic ammonium cations and polychromate anions. We discuss the structural features of various polychromate species (Cr₂O₇²⁻, Cr₃O₁₀²⁻, and Cr₄O₁₃²⁻) among structures comprising organic and inorganic cations.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"162 ","pages":"Article 107854"},"PeriodicalIF":3.4,"publicationDate":"2025-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143419757","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":"Optimizing the cooling performance of lead telluride by doping silver","authors":"Li Ma ,&nbsp;Luping Song ,&nbsp;Zhe Zheng ,&nbsp;Yuejing Lan ,&nbsp;Linsen Zhou ,&nbsp;Ruopu Liu ,&nbsp;Yuansen Li ,&nbsp;Zhijie Wei ,&nbsp;Shaoyi Wu ,&nbsp;Yan Shi ,&nbsp;Guangkun Ren","doi":"10.1016/j.solidstatesciences.2025.107859","DOIUrl":"10.1016/j.solidstatesciences.2025.107859","url":null,"abstract":"<div><div>Thermoelectric materials are widely employed in different areas, like deep space exploration for power generation and cooling in the thermal management of electronics. To obtain excellent performance in thermoelectric system, the materials are required to own great properties such as <em>ZT</em> at suitable temperature. Normal room-temperature materials like bismuth telluride may suffer from efficiency reduction of power generation or cooling, because of significant variation of <em>ZT</em> from 300K to 500K. Nowadays, it may be resolved by using another material lead telluride (PbTe) which is usually seen as a mid-temperature material in previous work. Recently, researchers have found that lead chalcogenides including PbTe can refrigerate near room temperature. Furthermore, we doped PbTe with silver (Ag) and found it possessed stable cooling efficiency owing to the smooth <em>ZT</em> from 300K to 523K. Through synthesizing a set of p-type Pb_1-<em>x</em>Ag_<em>x</em>Te-5 at.% Te (<em>x</em> = 0–0.02) samples by melting and hot-press technology in Te-rich condition, we discovered the <em>ZT</em> was about 0.4 at 300K along with the average one reaching 0.38 and kept stable from 300K to 523K. Besides, the virtual thermoelectric cooler consisting of the 7-pair p-n junction showed the △<em>T</em>_max and <em>COP</em>_max values can reach 54.9K and 9.3 % at 300K, respectively. This investigation highlights that the PbTe-based composition with silver dopant has the potential for refrigerating devices at or near room temperature in the future.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"162 ","pages":"Article 107859"},"PeriodicalIF":3.4,"publicationDate":"2025-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143419681","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":"A C2B two-dimensional monolayer with superior electrochemical performance of anode for Mg-ion batteries","authors":"Azher M. Abed ,&nbsp;Anjan Kumar ,&nbsp;Vicky Jain ,&nbsp;Mohd Shukri Ab Yajid ,&nbsp;Mamata Chahar ,&nbsp;G Sanyasi Raju ,&nbsp;Maher Ali Rusho ,&nbsp;Hamad M. Alkahtani","doi":"10.1016/j.solidstatesciences.2025.107857","DOIUrl":"10.1016/j.solidstatesciences.2025.107857","url":null,"abstract":"<div><div>In the rapidly evolving landscape of energy storage, magnesium-ion batteries (MIBs) have emerged as a promising alternative to traditional lithium-ion technologies, offering compelling advantages in cost and performance. Our research leverages advanced density functional theory (DFT) computations to explore boron-doped carbon nanosheets (BC_x) as a potential anode material for next-generation MIBs. The innovative BC_x nanostructure demonstrates exceptional characteristics, including high porosity and remarkable Mg ion binding capabilities. Through comprehensive computational analysis, we investigated critical parameters such as diffusion energy barrier, theoretical specific capacity, and open-circuit voltage. Our findings reveal remarkable performance metrics: complete Mg ion saturation, a theoretical specific capacity of 623.53 mAh g⁻¹, and an impressively low open-circuit voltage of 0.10 V. The unique B₂C₄ ring structure facilitates efficient Mg ion diffusion, positioning BC_x as a promising candidate for advanced energy storage solutions.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"161 ","pages":"Article 107857"},"PeriodicalIF":3.4,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143377442","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":"Effect of grain size distribution in raw powders on the thermoelectric and mechanical properties of hot-extruded Bi0.4Sb1.6Te3 and Bi2Te2.85Se0.15 solid solutions","authors":"M.G. Lavrentev ,&nbsp;V.P. Panchenko ,&nbsp;Yu N. Parkhomenko ,&nbsp;A.S. Prosviryakov ,&nbsp;N.Yu Tabachkova ,&nbsp;M.V. Voronov","doi":"10.1016/j.solidstatesciences.2025.107858","DOIUrl":"10.1016/j.solidstatesciences.2025.107858","url":null,"abstract":"<div><div>The effect of grain size distribution in raw powders on the structure and properties of <em>n</em>- and <em>p</em>-type conductivity room-temperature thermoelectric materials based on bismuth and antimony chalcogenides has been studied. Mixtures of coarse-grained and fine-grained powders have been used as raw powders. The samples have been produced using hot extrusion. The structure of the powders and the bulk materials has been studied using X-ray diffraction and electron microscopy. The thermoelectric properties of the samples have been examined using the Harman method. The mechanical properties of the samples have been tested by measuring the uniaxial compression ultimate strength. It has been shown that increasing the fraction of fine-grained powder in the raw powder mixture leads to an almost linear increase in the mechanical strength of the extruded material. The optimum grain size distribution that increases the thermoelectric figure of merit of the <em>p</em>-type conductivity materials has been found. A thermoelectric material having the thermoelectric figure of merit <em>ZT</em> = 1.02 at 330 K and <em>ZT</em> = 0.9 at 336 K for <em>p</em>- and <em>n</em>-type conductivity, respectively, has been obtained using hot extrusion.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"161 ","pages":"Article 107858"},"PeriodicalIF":3.4,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143377441","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":"Enhanced CO₂ adsorption and selectivity in CNT and piperazine modified Ni-MOF-74 nanocomposites","authors":"Syed Turab Haider Zaidi ,&nbsp;Aqeel Ahmad ,&nbsp;Marhaina Ismail ,&nbsp;Nik Abdul Hadi Md Nordin ,&nbsp;Mohamad Azmi Bustam ,&nbsp;Muhammad Usman ,&nbsp;David Asubonteng ,&nbsp;Syed Muhammad Wajahat ul Hasnain","doi":"10.1016/j.solidstatesciences.2025.107855","DOIUrl":"10.1016/j.solidstatesciences.2025.107855","url":null,"abstract":"<div><div>The rising levels of CO₂ in the atmosphere, primarily due to industrial activities, have accelerated the need for effective carbon capture technologies. While metal-organic frameworks (MOFs) like Ni-MOF-74 are promising due to their high CO₂ adsorption capacity, they face challenges such as reduced selectivity and structural instability under real-world conditions. This study addresses these limitations by synthesizing a composite material, CNT@Ni-MOF-74/PZ, where carbon nanotubes (CNTs) enhance structural stability and piperazine (PZ) introduces additional amine sites to improve CO₂ capture. The composite was synthesized via a solvothermal method and characterized using XRD, FTIR, BET, FESEM, and TGA to evaluate its structural, chemical, and thermal properties. Experimental results showed a 33 % increase in CO₂ adsorption capacity, with CNT@Ni-MOF-74/PZ achieving 6.1 mmol/g at 25 °C and 1 bar, compared to 4.5 mmol/g for unmodified Ni-MOF-74. Additionally, the CO₂/CH₄ selectivity improved significantly, attributed to the synergistic effects of CNTs and PZ. Monte Carlo simulations further validated the trends observed experimentally. These findings highlight CNT@Ni-MOF-74/PZ as a highly effective material for CO₂ capture, offering promising advancements for sustainable carbon capture technologies.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"161 ","pages":"Article 107855"},"PeriodicalIF":3.4,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143379246","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":"Comparative analysis of g-C3N4 photocatalysts: Mechanisms of peroxymonosulfate activation for efficient pollutant degradation","authors":"Jiaxin Li ,&nbsp;Yongran He ,&nbsp;Yufen Liu ,&nbsp;Zhongli Peng ,&nbsp;Yueping Fang ,&nbsp;Shengsen Zhang","doi":"10.1016/j.solidstatesciences.2025.107856","DOIUrl":"10.1016/j.solidstatesciences.2025.107856","url":null,"abstract":"<div><div>The properties of graphite-phase carbon nitride (g-C₃N₄) catalysts, made of distinct precursors, exhibit significant differences in microstructure and photocatalytic performance. However, systematic studies on their effectiveness in activating peroxymonosulfate (PMS) for pollutant degradation remain limited. Three different kinds of g-C₃N₄ photocatalysts—CNM, CND, and CNT—were produced in this study by pyrolyzing melamine, dicyandiamide, and thiourea, respectively. Notably, CNM exhibited high crystallinity, reduced layer spacing, and abundant nitrogen defects, contributing to a decreased recombination rate of photogenerated electrons and enhancing its photocatalytic performance. CNM activated PMS with remarkable efficiency, accomplishing a degradation rate of 95.8 % in the PMS/Light system, significantly higher than when CNM and PMS were used separately. Quenching experiments indicated that the primary active species were superoxide radicals (<strong>•</strong>O₂⁻), singlet oxygen (¹O₂), and photogenerated holes (h⁺) during degradation. Furthermore, CNM demonstrated excellent catalytic activity and stability across various pH levels and in complex environments with various inorganic anions, highlighting its strong resistance to interference. For developing low-cost and stable photocatalysts for organic wastewater degradation, this study presents an advanced approach.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"161 ","pages":"Article 107856"},"PeriodicalIF":3.4,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143210961","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":"Novel red-emitting SrBi2B4O10:Eu3+ phosphors: Synthesis, crystal structure and luminescence","authors":"A.P. Shablinskii ,&nbsp;A.V. Povolotskiy ,&nbsp;R.S. Bubnova ,&nbsp;M.S. Avdontceva ,&nbsp;A.A. Yuriev ,&nbsp;S.K. Filatov","doi":"10.1016/j.solidstatesciences.2025.107853","DOIUrl":"10.1016/j.solidstatesciences.2025.107853","url":null,"abstract":"<div><div>The novel red-emitting Sr(Bi_{1–<em>x</em>}Eu_<em>x</em>)₂B₄O₁₀ (<em>x</em> = 0.05, 0.10, 0.15, 0.20, 0.25, 0.30) phosphors were obtained by solid state reactions. Emission and excitation spectra of the Sr(Bi_{1–<em>x</em>}Eu_<em>x</em>)₂B₄O₁₀ phosphors were investigated. The most intense band for all samples of the concentration series is in the region of 611 nm at excitation 392 nm. Distribution of the Eu³⁺ ions over cation sites was refined for <em>x</em> = 0.15, 0.20 and 0.30 from single-crystal X-ray diffraction data. In the SrBi_1.70Eu_0.30B₄O₁₀ and SrBi_1.60Eu_0.40B₄O₁₀ crystal structures, the Eu³⁺ ions occupy only the Bi2 site, then, the Eu³⁺ ions occupy 57 % of the Bi1 site and 3 % of the Bi2 site in the SrBi_1.40Eu_0.60B₄O₁₀ crystal structure. The asymmetry ratio is determined as the ratio of the integral intensity of radiative transitions ⁵D₀–⁷F₂ to ⁵D₀–⁷F₁ for Eu³⁺ ions. This means that the local environment of europium ions does not change or changes insignificantly. The optimal concentration is <em>x</em> = 0.25. It was shown by absorption spectroscopy, that the optical band gap for this sample is equal to 3.69 ± 0.01 eV. It has been demonstrated that if Eu³⁺ ions occupy the Bi1 and Bi2 sites, the <em>R</em>_<em>c</em> is considerably decreased, resulting in a change of energy migration in the crystal structures from one-dimensional to two-dimensional. The CIE chromaticity coordinates for the Sr(Bi_{1–<em>x</em>}Eu_<em>x</em>)₂B₄O₁₀ phosphors were found to be (0.64, 0.35), which are in close proximity to the NTSC standard values of (0.67, 0.33) for commercial red phosphors. The obtained results show that the Sr(Bi_{1–<em>x</em>}Eu_<em>x</em>)₂B₄O₁₀ phosphors are promising candidates for solid state lighting application.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"161 ","pages":"Article 107853"},"PeriodicalIF":3.4,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143211260","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":"Synthesis of kenyaite from synthetic silica glass scrap waste and organic modification using various quaternary alkylammonium salts","authors":"Tomohiro Iwasaki ,&nbsp;Shuta Wada ,&nbsp;Masaki Nishitani ,&nbsp;Yosuke Okoshi ,&nbsp;Hideharu Horikoshi","doi":"10.1016/j.solidstatesciences.2024.107803","DOIUrl":"10.1016/j.solidstatesciences.2024.107803","url":null,"abstract":"<div><div>Layered sodium polysilicate (kenyaite) was hydrothermally synthesized from synthetic silica glass scrap. In the hydrothermal process, a silica glass scrap block was first dissolved in a sodium hydroxide solution. Crystallization of the dissolved silica began after the silica concentration of the solution exceeded a threshold. Subsequently, the dissolution of silica glass and the crystallization of kenyaite progressed simultaneously, increasing the mass of kenyaite. Further hydrothermal treatment converts the kenyaite into quartz. Pure kenyaite could be produced from synthetic silica glass under a limited range of hydrothermal conditions. Then, kenyaite was organically modified with alkylammonium ions via ion exchange. This modification was systematically studied using various quaternary alkylammonium salts with different molecular structures. Tetradecyltrimethylammonium, hexadecyltrimethylammonium and octadecyltrimethylammonium ions were inserted into the interlayer spaces of the silicate sheets of kenyaite via host–guest intercalation, resulting in the formation of organo-kenyaite with an ordered structure. The molar content of the alkylammonium ions increased with increasing alkyl chain length. In addition, didodecyldimethylammonium, dioctadecyldimethylammonium, benzyldodecyldimethylammonium and benzyloctadecyldimethylammonium ions were successfully intercalated into kenyaite. Modification with decyltrimethylammonium ions yielded organo-kenyaite with a slightly ordered structure. In contrast, the use of decyltrimethylammonium salt, dodecylamine hydrochloride, and octadecylamine hydrochloride resulted in the formation of organo-kenyaite with a disordered structure. The structure and guest content of organo-kenyaite strongly depended on the molecular structure of the guest alkylammonium ion.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"160 ","pages":"Article 107803"},"PeriodicalIF":3.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143097740","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":"Frustrated magnetism of a novel breathing kagome U-network aluminide: U3Os4Al11.84(4)","authors":"Mathieu Pasturel ,&nbsp;Stéphanie Lamy ,&nbsp;Thierry Guizouarn ,&nbsp;Vincent Dorcet ,&nbsp;Victor Porée","doi":"10.1016/j.solidstatesciences.2024.107806","DOIUrl":"10.1016/j.solidstatesciences.2024.107806","url":null,"abstract":"<div><div>A novel uranium-osmium-aluminide, namely U₃Os₄Al_11.84(4), is reported. It crystallizes in a hexagonal structure of the Gd₃Ru₄Al₁₂-type where the magnetic U-atoms are forming a breathing kagome lattice favorable for the occurrence of magnetic frustrations. Accordingly, measurements of the magnetic and specific heat properties, down to 1.8 K and under magnetic fields up to 13 T, show the coexistence/competition between the formation of a long-range magnetic ordering below 5.0 K – most probably of antiferromagnetic nature - and some spin-glass-like features.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"160 ","pages":"Article 107806"},"PeriodicalIF":3.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143098240","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":"All-boron planar clusters with electric dipole moment","authors":"Tornike Odishvili ,&nbsp;Levan Chkhartishvili","doi":"10.1016/j.solidstatesciences.2025.107833","DOIUrl":"10.1016/j.solidstatesciences.2025.107833","url":null,"abstract":"<div><div>The electric dipole moment, one of the key ground-state parameters of bound atomic systems, is calculated for planar boron clusters B_<em>n</em> containing <em>n</em> = 1–20 atoms. It is found that only rotationally asymmetric clusters – B₅, B₈, B₁₁, B₁₄ and B₁₇ – have non-zero dipole moments. Their order of magnitude indicates an average charge transfer between the constituent atoms that is smaller than the electron charge. At the same time, the electric dipole moments of small boron clusters are capable of influencing the growth kinetics of borophenes and other boron-rich nanostructures.</div></div>","PeriodicalId":432,"journal":{"name":"Solid State Sciences","volume":"160 ","pages":"Article 107833"},"PeriodicalIF":3.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143098789","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}