材料科学最新文献

{"title":"Test-strips based on the first-generation biosensors with expanded linear range enabling glucose detection in whole blood","authors":"Maria A. Komkova ,&nbsp;Artem A. Eliseev ,&nbsp;Andrei A. Poyarkov ,&nbsp;Darya V. Vokhmyanina ,&nbsp;Andrei A. Eliseev ,&nbsp;Arkady A. Karyakin","doi":"10.1016/j.electacta.2025.147060","DOIUrl":"10.1016/j.electacta.2025.147060","url":null,"abstract":"<div><div>We report on the approach enabling first-generation biosensor-based test-strips to respond linearly up to 40 mM glucose concentration. Glucose oxidase (GOD) has been chosen as the most selective biocatalyst. Decreasing its content in the enzyme containing membrane so that [E]₀ ≈ [S]₀, it is possible to increase an apparent Michaelis constant prolonging linear calibration range. Prussian Blue (PB) acting as a transducer practically prevents false-positive responses caused by reductants. Novel bi-pulse power generation readout with overall measurement duration of 5.005 s provides up to 10-fold enhanced sensitivity (17 ± 3 mA·M⁻¹·cm⁻²), which compensates its obvious loss caused by the decrease of the enzyme content. Coupled with an advanced readout, the resulting test-strips become suitable for whole blood analysis even upon monitoring of diabetes.</div></div>","PeriodicalId":305,"journal":{"name":"Electrochimica Acta","volume":"538 ","pages":"Article 147060"},"PeriodicalIF":5.6,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144763681","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The effect of Hubbard U on mechanical and thermodynamic properties of rare-earth-doped SrZrO3","authors":"Bo Gao ,&nbsp;Genfeng Li ,&nbsp;Min Zhao ,&nbsp;Peng Zhang","doi":"10.1016/j.commatsci.2025.114143","DOIUrl":"10.1016/j.commatsci.2025.114143","url":null,"abstract":"<div><div>Rare-earth elements are strongly correlated electron systems, which can be more accurately described using density functional theory and the Hubbard <span><math><mi>U</mi></math></span> parameter, which represents the on-site Coulomb repulsion between two electrons occupying the same atomic orbital, quantifying the strength of local electron–electron correlation. This paper investigates the effect of <span><math><mi>U</mi></math></span> on the mechanical and thermodynamic properties of rare-earth-doped SrZrO<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span>, a potential thermal barrier coating material. It is found that when <span><math><mi>U</mi></math></span> is taken into account, the unit cell volume increases, the interatomic distances increase, and the hopping integrals <span><math><msub><mrow><mi>t</mi></mrow><mrow><mi>i</mi><mi>j</mi></mrow></msub></math></span> decrease. As a result, the interatomic interaction forces weaken, leading to reductions in Young’s modulus <span><math><mi>E</mi></math></span>, shear modulus <span><math><mi>G</mi></math></span>, hardness <span><math><msub><mrow><mi>H</mi></mrow><mrow><mi>V</mi></mrow></msub></math></span>, and thermal conductivity <span><math><mi>κ</mi></math></span>, as well as an increase in the coefficient of thermal expansion <span><math><mi>α</mi></math></span>. Among the compositions studied, Sr(Zr_0.75La_0.25)O<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span> exhibits the lowest thermal conductivity and the highest thermal expansion coefficient, making it a promising thermal barrier coating candidate. Based on the <span><math><mi>U</mi></math></span>-induced electron localization effect, this work demonstrates that the reduction in hopping integrals and bond strength constructs a complete chain of cooperative changes from microscopic electronic interactions to macroscopic mechanical and thermal performance.</div></div>","PeriodicalId":10650,"journal":{"name":"Computational Materials Science","volume":"259 ","pages":"Article 114143"},"PeriodicalIF":3.3,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144763835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Optimizing Ru Metallene Catalytic Cathodes via Compressive Strain Engineering for an Improved Li-CO2 Battery.","authors":"Tengwen Yan,Yao Liu,Jinhui Zhang,Guanghui Jin,Jianru Zhao,Yuxuan Wang,Dongxiao Kan,Jing Xu,Dashuai Wang","doi":"10.1021/acsami.5c07646","DOIUrl":"https://doi.org/10.1021/acsami.5c07646","url":null,"abstract":"Ru-based catalysts have already shown potential advantages in Li-CO2 batteries. The strain regulation strategy has been widely used in various catalysts to achieve catalytic activity enhancement. In this study, seven different strained RuX metallenes were systemically researched by first-principles calculations, where X = ±6, ±4, ±2, and 0%. The structure and electronic properties of RuX metallenes were investigated as well as adsorption energies of reactants, reaction thermodynamics, and electrochemical performance. The results showed that lattice expansion contributed to an upward shift in the d-band center, which enhanced the strength of the CO2 adsorption on RuX. A linear relationship between CO2 activation and lattice strain was demonstrated by analyzing the bond lengths, bond strengths of C-O, and bond angles of CO2. Specifically, under tensile strain, the CO2 activation on RuX was gradually improved. Among all RuX, Ru-2 metallene with an appropriate CO2 adsorption energy exhibited the lowest reaction energy (0.93 eV) for the rate-determining step of Li2CO3 and C formation and the lowest overpotential (0.85 V), demonstrating its excellent catalytic performance in Li-CO2 batteries. This work elucidated the electrochemical mechanism of strain regulation on RuX metallenes as cathode catalysts for Li-CO2 batteries and provided valuable insights for designing metal catalysts with improved catalytic activity.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"21 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144766053","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":"Ag2Se Nanowire Fusion-Engineered Nylon Composite films: Boosting the Stability and Thermoelectric Efficiency in Flexible Power Generators.","authors":"Yi Wu,Hao Jiang,Xiaoyu Jiang,Yuliang Liu,Xiaowei Zhang","doi":"10.1021/acsami.5c10007","DOIUrl":"https://doi.org/10.1021/acsami.5c10007","url":null,"abstract":"Near-room-temperature flexible thermoelectric (TE) generators (f-TEGs) can help resolve the energy supply problem of wearable electronic devices during long-term use. Due to their promising TE performance, Ag2Se nanowires (NWs) are considered as credible candidates to fabricate flexible TE films and devices, but their \"liquid-like\" properties and loose connection between Ag2Se NWs leads to instability and low electrical conductivity. Herein, we report an interwoven network structure in a Ag2Se/nylon composite film via Ag2Se NWs fusion under hot-pressing to enhance the mechanical flexibility and TE performance stability. The optimal film exhibits an ultrahigh room temperature (RT) power factor (PF) of ∼1864 μWm1-K-2 (average PF ∼ 2034 μWm1-K-2 over 300-400 K) and excellent performance stability (a negligible PF difference during 14 repeated tests). After 5000 repeated bending operations, the film shows only a 4% increase in electrical resistance, indicating excellent mechanical flexibility. An assembled 5-leg f-TEG produces an open-circuit voltage (Voc) of ∼38 mV and a maximum output power of ∼6.7 μW at a temperature difference (ΔT) of 60 K (corresponding power density ∼ 84 Wm2-). This work demonstrates that Ag2Se NW fusion is conducive to both TE performance stability and flexibility of Ag2SeNW-based flexible films and opens an avenue for applications in self-powered wearable electronic devices.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"286 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144766054","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":"Photochromic Cu-TiO2 Nanocatalysts for Visible-Light-Triggered C-Cl Activation and Selective Molecular Assembly.","authors":"Chaowei Han,Yun Zhang,Lulu Fu,Lili Xu,Wenzhao Xue,Zhen Zhang,Guanfeng Ji,Mei Yan,Wenshou Wang","doi":"10.1021/acsnano.5c08299","DOIUrl":"https://doi.org/10.1021/acsnano.5c08299","url":null,"abstract":"The efficient photoactivation of C-Cl bonds to selectively form C-C and C-O bonds via cross-coupling has emerged as a promising strategy for photosynthesizing pharmaceuticals. However, achieving selective cross-coupling of unactivated C-Cl bonds using visible light in a photoredox system remains a formidable challenge. Herein, we report a cooperative photoredox catalysis system that efficiently activates benzyl chloride (BnCl) in conjunction with photooxidation of hydroxyphenol, enabling the selective formation of C-C and C-O pharmaceuticals, such as 4-(benzyloxy)phenol (monobenzone) and benzylated 1,4-benzoquinone, over photochromic Cu-doped TiO2 (Cu-TiO2) nanoparticles. Mechanistic investigations and theoretical calculations reveal that the Cu doping enhances the BnCl coordination, and the photochromism-induced Cu+/0 active sites efficiently promote the C-Cl bonds activation, resulting in homocoupling of bibenzyl with excellent yield (>96%), selectivity (>99%), and stability (>30 days). Moreover, C-C and C-O bond pharmaceuticals are selectively synthesized by cooperating the photoreduction of BnCl with the solvent-induced photooxidation of p-phenol, facilitated by photochromism-induced Cu+/0 species and oxygen vacancies in Cu-TiO2 nanoparticles. This work establishes a framework for the rational design of photochromic catalysts for the activation and functionalization of C/Cl bonds within a photoredox system.","PeriodicalId":21,"journal":{"name":"ACS Nano","volume":"148 1","pages":""},"PeriodicalIF":17.1,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144766071","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Direct Observation of the Exciton-Polaron in Single CsPbBr3 Quantum Dots.","authors":"Zhou Shen,Margarita Samoli,Onur Erdem,Johan Bielecki,Amit K Samanta,Juncheng E,Armando D Estillore,Chan Kim,Yoonhee Kim,Jayanath Koliyadu,Romain Letrun,Federico Locardi,Jannik Lübke,Abhishek Mall,Diogo V M Melo,Grant Mills,Safi Rafie-Zinedine,Adam Round,Tokushi Sato,Raphael de Wijn,Tamme Wollweber,Lena Worbs,Yulong Zhuang,Adrian P Mancuso,Richard Bean,Henry N Chapman,Jochen Küpper,Ivan Infante,Holger Lange,Zeger Hens,Kartik Ayyer","doi":"10.1021/acsnano.5c06716","DOIUrl":"https://doi.org/10.1021/acsnano.5c06716","url":null,"abstract":"The Outstanding optoelectronic properties of lead halide perovskites have been related to the formation of polarons. Nevertheless, the observation of the atomistic deformation brought about by one electron-hole pair in these materials has remained elusive. Here, we measure the transient structure of single CsPbBr3 quantum dots (QDs) after resonant excitation in the single exciton limit using serial femtosecond crystallography (SFX). By reconstructing the three-dimensional (3D) differential diffraction pattern and building on density functional theory (DFT) calculations, we assign the lattice distortion after photoexcitation to the combined presence of a delocalized electron and a localized hole, forming a mixed large/small exciton-polaron. This result creates a clear picture of the polaronic deformation in CsPbBr3 QDs and demonstrates the exceptional sensitivity of SFX to lattice distortions in few-nanometer crystallites. We plan to use this experimental platform for future studies of electron-lattice interactions.","PeriodicalId":21,"journal":{"name":"ACS Nano","volume":"724 1","pages":""},"PeriodicalIF":17.1,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144766073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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 new generation desalination membrane C2N with synergistic effects of adsorption and photoreduction","authors":"Jilun Wang ,&nbsp;Ting Xu ,&nbsp;Xiaohua Yu ,&nbsp;Xin Lu ,&nbsp;Li Ma ,&nbsp;Ju Rong ,&nbsp;Zhaohua Liu","doi":"10.1016/j.diamond.2025.112702","DOIUrl":"10.1016/j.diamond.2025.112702","url":null,"abstract":"<div><div>Filtering and extracting uranium from seawater utilizing reverse osmosis and photocatalytic technologies is an ideal strategy for developing clean nuclear energy. However, a large research gap still exists in terms of the synergistic effect of desalination membranes on the adsorption and photocatalytic reduction of uranium. In recent years, nitrided porous graphene (C₂N) synthesized by wet chemical method has attracted extensive attention from its periodic pore structure, coordinable electronic properties. Here, the potential applications of C₂N material in desalination are investigated from the perspective of theoretical simulation, and the performance advantages of the material are analyzed by the ingenious combination of C₂N effective pore size structure and precise electron arrangement. The results showed that C₂N exhibited excellent desalination performance，with ≥95 % salt rejection in the pressure range of 5 to 15 MPa. It exhibited excellent adsorption performance for heavy metal ions, especially for uranium ions, with an adsorption energy value of as high as −10.072 eV. In addition, C₂N has a high UV absorption coefficient of up to 1.124 × 10⁵ cm⁻¹, and efficient reductive extraction of uranium ions as well as effective degradation of organic matter in seawater under light-driven conditions. This study provides references for the new generation of desalination membrane C₂N in the extraction and reduction investigations of uranium metal.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"158 ","pages":"Article 112702"},"PeriodicalIF":5.1,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144756975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Characterization of crosslinked nanocellulose from oil palm frond fibers for enhanced drug-loaded hydrogels in antibacterial application","authors":"Y.L. Kong ,&nbsp;M.Y. Leong ,&nbsp;M.Y. Harun ,&nbsp;W.F. Wong ,&nbsp;C.Y. Looi","doi":"10.1016/j.matlet.2025.139209","DOIUrl":"10.1016/j.matlet.2025.139209","url":null,"abstract":"<div><div>This study investigates the antibacterial efficacy and material properties of gelatin-based hydrogels incorporated with nanocellulose derived from oil palm frond fibers (CNC) and crosslinked with glutaraldehyde (GA) to optimize drug delivery systems. The hydrogels were loaded with either erythromycin (ERY) or tetracycline hydrochloride (TAC) and evaluated against <em>Pseudomonas aeruginosa</em>. Results demonstrated that the inclusion of GA significantly enhanced the antibacterial activity, particularly in TAC-loaded hydrogels, which achieved the largest inhibition zones. The study highlights the synergistic effect of CNC and GA in stabilizing hydrogel structures and improving drug release profiles, offering a promising approach for advanced antimicrobial applications in biomedical materials.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"401 ","pages":"Article 139209"},"PeriodicalIF":2.7,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144763760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 facile synthesis of ZSM-5 microspheres with NH3 adsorption properties","authors":"Yuanliang Wang ,&nbsp;Junyan Chen ,&nbsp;Xiuzhen Xie","doi":"10.1016/j.matlet.2025.139211","DOIUrl":"10.1016/j.matlet.2025.139211","url":null,"abstract":"<div><div>In this manuscript, a series of ZSM-5 zeolites were synthesized across a wide pH range (10–14) using a simple aggregation crystallization method. This approach involved the formation of subcrystals with short-range order and ultra-small sizes derived directly from the ZSM-5 synthesis system. Notably, the process does not require pore-directing agents, or mesoporous templates. Nitrogen adsorption–desorption analysis revealed that ZSM-5-14 achieved a significantly increased surface area of 310 m² g⁻¹. Moreover, it demonstrated superior NH₃ adsorption capacity and thermal stability. This work provides a straightforward method for improving material performance by constructing a finely divided hierarchical structure with 3D mesoporous characteristics via crystallization-dissolution-crystallization process.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"401 ","pages":"Article 139211"},"PeriodicalIF":2.7,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144763761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Interface engineering and tunable contacts in two-dimensional GeC5/C3N4 van der Waals heterostructures under electric gating","authors":"Nguyen Xuan Sang ,&nbsp;K.D. Pham","doi":"10.1016/j.diamond.2025.112662","DOIUrl":"10.1016/j.diamond.2025.112662","url":null,"abstract":"<div><div>Stacking 2D materials to design van der Waals heterostructures has proven to be a powerful strategy for tailoring band engineering and unlocking new possibilities for next-generation electronic applications. In this work, we systematically investigate the contact engineering between two-dimensional metallic germa-graphene (GeC<span><math><msub><mrow></mrow><mrow><mn>5</mn></mrow></msub></math></span>) and the semiconductor C<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span>N<span><math><msub><mrow></mrow><mrow><mn>4</mn></mrow></msub></math></span>, focusing on the electronic properties and interfacial behavior of the engineered van der Waals GeC<span><math><msub><mrow></mrow><mrow><mn>5</mn></mrow></msub></math></span>/C<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span>N<span><math><msub><mrow></mrow><mrow><mn>4</mn></mrow></msub></math></span> heterostructure via first-principles calculations. Our results confirm that the heterostructure is energetically, thermally, and mechanically stable. Compared to its individual monolayers, the GeC<span><math><msub><mrow></mrow><mrow><mn>5</mn></mrow></msub></math></span>/C<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span>N<span><math><msub><mrow></mrow><mrow><mn>4</mn></mrow></msub></math></span> heterostructure exhibits enhanced elastic constants and Young’s modulus, demonstrating improved mechanical robustness. At equilibrium, tunable Schottky contact barriers emerge, which are further modulated by external electric gating. This electric gating enables reversible switching of contact types, transitioning from <span><math><mi>p</mi></math></span>-type to <span><math><mi>n</mi></math></span>-type and from Schottky to Ohmic contact. These findings underscore the GeC<span><math><msub><mrow></mrow><mrow><mn>5</mn></mrow></msub></math></span>/C<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span>N<span><math><msub><mrow></mrow><mrow><mn>4</mn></mrow></msub></math></span> heterostructure as a promising candidate for next-generation electronic devices.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"158 ","pages":"Article 112662"},"PeriodicalIF":5.1,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144763811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}