CERAMICS INTERNATIONAL
·
2025
·
IF 5.6
Yongtao Li,Xiankuo Wang,Weina Li,Han Xia,Jiao Li,Haina Qi,Xuejian Zhang,Dexin Huang,Huisheng Liu,C.K. Mahadevan
The NaCl:xEu 3+ (x = 0.002, 0.004, 0.006, 0.008, 0.01, 0.02) ceramics were synthesized using a cold sintering method under varying temperature and pressure conditions. The impact of Eu 3+ ions on the structural and optical properties of NaCl ceramics was examined by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), analytical scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), UV–visible spectroscopy, reflectance spectroscopy, photoluminescence (PL) spectroscopy, and fluorescence lifetime measurements. XRD analyses confirmed the incorporation of Eu ions into the matrix lattice. SEM results indicated that the ceramics achieved high density when the uniaxial pressure exceeded 300 MPa. EDS analysis demonstrated a well-distributed presence of rare earth ions, devoid of impurities. PL spectroscopy revealed that the intensity of the emission spectra increased the increase of Eu 3+ concentration and observed the optimal luminescence performance at x = 0.01 mol% and a sintering temperature of 125 °C. XPS results indicated that the Eu ions were predominantly in a trivalent state within the NaCl ceramics. Collectively, the above results provide valuable insights for the preparation of rare-earth doped alkali halide ceramics using cold sintering technology.
研究领域:
材料科学
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光学工程
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产品关联
DOI
高影响因子
JOURNAL OF POWER SOURCES
·
2017
·
IF 6.395
Yuxiang Chen,Zhian Zhang,Yanqing Lai,Xiaodong Shi,Junming Li,Xiaobin Chen,Kai Zhang,Jie Li
3D porous carbons have shown great potential in electrochemical energy storage . However, traditional template assisted methods suffer from complicated synthesis processes as well as the difficulty of removing template. In this paper, 3D neat porous carbon aerogels have been designed and synthesized by a green and novel way via self-assembly of hydrogel with NaCl as the template and the flux during in-situ polymerization and carbonization . NaCl can be easily recovered with simple recrystallization in the end of synthesis. The as-synthesized 3D porous carbon aerogels display excellent structural stability, large specific surface area (1665.5 m 2 g −1 ), porous structure centered at microporous (0.71 nm and 1.24 nm) and macropores for ionic diffusion and electrolyte transport, as well as large interlayer spacings (0.386 nm) for sodium storage. When employed as anode materials for sodium-ions batteries, the electrodes exhibit high reversible specific capacity of 287 mAh g −1 at 50 mA g −1 after 100 cycles, superior cycling stability of 154 mAh g −1 at 500 mA g −1 after 1000 cycles as well as excellent rate capability of 139 mAh g −1 at 1000 mA g −1 . This work inspires a new strategy in the fabrication of advanced carbon structures for sodium-ion batteries and other applications.
研究领域:
材料科学
·
电化学能源存储
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产品关联
DOI
高影响因子
OPTICS EXPRESS
·
2025
·Vol. 33
·期 1
·1359-1370
·
IF 3.3
Huiyuan Zhang,Mingyu Li,Mingyu Li,Qiu-Shun Li,Qiu-Shun Li,Xiujing Yan,Yubo Xia,Yuxia Song,Tuo Chen,Wen-Fei Dong,Jian-Jun He
In this paper, poly(diallyldimethylammonium chloride)(PDDA)/poly(sodium styrene sulfonate)(PSS) nanomembranes were deposited on the surface of long-period fiber gratings (LPFG) using the electrostatic layer-by-layer (LBL) assembly method, and the effect of NaCl on the modulation of LPFG double peaks by PDDA/PSS nanomembranes was investigated. The principle behind the emergence of double peaks was first explored using coupled mode theory, revealing that changes in the mode effective refractive index(RI) occur as the number of nanomembrane layers increases. The experimental results showed that under the conditions of PDDA with NaCl/PSS without NaCl and PDDA without NaCl/PSS with NaCl, double peaks do not appear in the spectra of LPFG as the number of thin film layers increases. In contrast, highly sensitive double peaks appear in the spectra of LPFG when both PDDA and PSS contain NaCl. Additionally, the range of these double peaks was explored. It was shown that the sensitivity of LPFG to the nanomembrane reached a maximum at 79-81 bilayers, with a sensitivity of 37.8 nm/bilayer, and the appearance of double peaks was consistent with the theoretical simulation. The findings of this study will be applied to the modification of LPFG surface biofunctional membranes and the highly sensitive detection of biochemical substances.
研究领域:
光学传感
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材料科学
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生物医学工程
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产品关联
DOI
PubMed
高影响因子
Journal of Magnesium and Alloys
·
2021
·
IF 10.088
Baojing Feng,Guonan Liu,Peixu Yang,Sensen Huang,Dongqing Qi,Peng Chen,Chengduo Wang,Jiang Du,Shaojun Zhang,Jinhui Liu
Effect of the second phase in the micro-galvanic corrosion of a commercial Mg alloy containing rare earth elements, cast WE43 alloy, was investigated in 0.6 M NaCl solution and 0.6 M Na 2 SO 4 solution by scanning electron microscopy (SEM) observations, scanning Kelvin probe force microscopy (SKPFM) analysis, hydrogen evolution, weight loss measurement, and electrochemical techniques. It is confirmed that the second phase of cast WE43 alloy is more active than Mg matrix and exhibits an anodic role in the micro-galvanic corrosion with α-Mg matrix as cathode and dissolves preferentially in Na 2 SO 4 solution, in contrast to the situation in NaCl solution. The corrosion rate of cast WE43 alloy in Na 2 SO 4 solution is much higher than that in NaCl solution, which is different from the conventional wisdom and could be attributed to the different role of the second phase in the micro-galvanic corrosion in two solutions.
研究领域:
材料科学
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腐蚀科学
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产品关联
DOI
高影响因子
LWT-FOOD SCIENCE AND TECHNOLOGY
·
2024
·
IF 6
Xianqing Huang,Wenxin Li,Jing Wang,Qian Li,Yue Shen,Yongxia Cheng,Tiange Li,Tianlin Wang,Yinping Wang,Lianjun Song,Yan Ma
In this paper, the effects of NaCl stress on physiological and biochemical changes, phenolic compounds and antioxidant system of pea sprouts were studied. Results showed that NaCl stress inhibited the bud length, root length and respiration rate of pea sprouts, and resulted in oxidative damage. However, NaCl promoted the accumulation of total phenolics in pea sprouts, which reached a peak under 60 mmol L −1 NaCl stress. At the same time, the key enzymes activities of PAL, C4H, and 4CL were enhanced. In addition, NaCl stress increased the activity of POD, CAT, SOD and APX, enhancing the antioxidant capacity of pea sprouts. The enrichment of phenolic compounds and the increase of antioxidant enzyme activity together promoted the enhancement of antioxidant capacity. This results provided a scientific basis for further improving the functional components of pea.
研究领域:
植物学
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农业科学
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产品关联
DOI
高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
·
2019
·
IF 4.175
Liang Zheng,Wenjie Zhang,Qi Wang,Hong Zhang,Zhou Yu,Cuihua Cheng,Yong Zhang,Ming Lei,Yong Zhao
MgB 2 bulks with NaCl doping amount ranging from 0–30 at% have been prepared by hot pressed sintering process . With the increase of NaCl doping amount, the c axis lattice parameter of MgB 2 monotonously increases, indicating the substitution of Mg atoms by larger Na atoms. Meanwhile, the intensity of diffraction peaks of both NaCl and impurity phase of MgO increases. More compact morphology was found in the NaCl doped MgB 2 samples. The critical transition temperature ( T c ) decreases from 38.2 K to 36.8 K with the increase of NaCl doping amount from 0 to 30 at%, and the corresponding transition width of T c (Δ T c ) increases from 0.5 K to 1.8 K. When the doping amount of NaCl is not exceeding 10 at%, the J c value is about 10 6 A/cm 2 at 4.2 K, 3 T, and 5 × 10 5 A/cm 2 at 10 K, 3T. J c performance of the 5 at% NaCl doped MgB 2 sample (NC05) reaches 6.8 × 10 5 A/cm 2 at 20 K, 2T, which improves approximately 20% compared to the pure one, attributing to the better grain connectivity of MgB 2 and enhancement of flux pinning force by NaCl doping.
研究领域:
凝聚态物理
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材料科学
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超导材料
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无机固体化学
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功能陶瓷
✓ 已验证
DOI
高影响因子
RUSSIAN JOURNAL OF APPLIED CHEMISTRY
·
2020
·Vol. 93
·期 3
·380-392
·
IF 0.69
Li Jianbo,Lv Jie,Fu Luoping,Tang Mingjin,Wu Xiaodan
Abstract Inspired by the high-water solubility, photoluminescence and low cytotoxicity of N-doped carbon quantum dots (N-CQDs), fluorescent corrosion inhibitors with size of 4–8 nm were synthesized from disodium ethylenediaminetetraacetate, sulfamic acid, and urotropine salt. We expect that these N-CQDs may possess an excellent protective ability to inhibit the corrosion of carbon steel in aggressive solutions owing to its special functional group. The inhibitory mechanism of the inhibitor on N80 steel in saturated CO 2 3 wt % NaCl solution was studied by weight loss, adsorption curve fitting, electrochemical measurement, and surface morphology and elemental analysis. The results show that corrosion of N80 carbon steel in saturated CO 2 3 wt % NaCl solution is significantly inhibited by the addition of N-CQDs, which is attributed to the formation of its adsorption film, preventing the contact of iron with chloride ions and is an effective corrosion inhibitor.
研究领域:
材料科学
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腐蚀与防护
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电化学
✓ 已验证
DOI
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2021
·
IF 4.539
Hongyu Cen,Zhenyu Chen
Functionalized graphene oxide (FGO) were synthesized and investigated as corrosion inhibitors of carbon steel in this research. The inhibition behavior of FGO in CO 2 -saturated NaCl solution was studied via weight loss, surface characterizations, and electrochemical measurements. Results confirm that FGO could protect metal effectively and the inhibition efficiency showed the extreme effect as the increase of FGO concentration, reaching a maximum of 83.4% at 20 mg/L. FGO can adsorb on carbon steel via the functionalized groups and form the hydrophobic cover layer on the metal surface by the lamellar nanoparticles.
研究领域:
材料科学
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腐蚀与防护
·
电化学
✓ 已验证
产品关联
DOI
高影响因子
FOOD RESEARCH INTERNATIONAL
·
2022
·
IF 7.425
Mengyuan Wang,Lin Chen,Bofu Han,Renzheng Wang,Yaping Liu,Xiaojing Fan,Xin Lv,Feng Huang,Minyi Han,Zhuangli Kang,Xianchao Feng,Igor Mazurenko
Effects of sweetener neomethyl hesperidin dihydrochalcone (NHDC) on the gelation properties of myofibrillar protein (MP) at 0.2 M and 0.6 M NaCl were investigated. The results showed that addition of NHDC did not obviously change the cooking loss and strength of MP gels at 0.2 M NaCl. Whilst at 0.6 M NaCl, addition of high doses of NHDC (50–100 µM/g) remarkably increased cooking loss and decreased strength of MP gels. The expanded MP enhanced the interactions between NHDC and MP, leading to aggregation of MP as evidenced by the increasing particle size and the reducing solubility. The MP aggregates impeded hydrophobic interactions and disulfide bonds crosslinking in the gelation process, thereby damaged the gelation properties of MP at 0.6 M NaCl. This was supported by the poor network of MP gels observed by SEM. In the end, molecular docking elucidated the main types of interaction at molecular level, including hydrogen bonding and hydrophobicity. The results would provide guidance for NHDC as a potential sweetener in meat products.
研究领域:
食品科学
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生物化学
✓ 已验证
DOI
PubMed
高影响因子
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
·
2025
·Vol. 172
·期 9
·092505
·
IF 3.3
Chuntao Ge,Qian Kou,Rong Li,Wenjuan Qi,Junjie Xu,Jun Zhang,Saijun Xiao
The NaCl-CaCl2 molten salt system presents a cost-effective and stable medium for the electrodeposition of metallic chromium. However, the electrochemical behavior of Cr2+ and the deposition process for dense chromium coatings within this system remain unexplored. Using CrCl2 as a precursor, this study investigated the electrochemical behavior of Cr2+ in NaCl-CaCl2 molten salt at 620 °C through cyclic voltammetry and square wave voltammetry. The results revealed that the reduction of Cr2+ involved a one-step, two-electron exchanged reaction (Cr2++ 2e−→Cr), exhibiting quasi-reversible behavior controlled by diffusion, with a diffusion coefficient of 0.5 × 10–5 cm2s−1. Electrodeposition on a molybdenum substrate demonstrated that current density significantly influenced coating morphology. An optimal condition of 30 mA cm−2 yielded a dense and uniform chromium coating, whereas current densities of 50–70 mA cm−2 resulted in significant degradation in coating planarity due to concentration polarization. Deposition time exhibited a linear positive correlation with coating thickness. Extending deposition time eliminated initial island growth and enhanced coating continuity. X-ray diffraction confirmed the coating consisted of pure chromium phase with a strong (200) preferred orientation. This research provided a theoretical and experimental foundation for electrodepositing chromium metal coatings in the NaCl-CaCl2 molten salt system.
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产品关联
DOI
高影响因子
JOURNAL OF CHEMICAL THERMODYNAMICS
·
2019
·
IF 2.29
Lan Yang,Dan Li,Yupeng Li,Lingzong Meng,Tianlong Deng,Yafei Guo
The solid-liquid phase equilibria in the systems NaCl–SrCl 2 –H 2 O and NaCl–CaCl 2 –SrCl 2 –H 2 O at 323.15 K were studied with the isothermal dissolution method. The solid-liquid equilibrium phase diagrams were constructed with the experimental results. A comparison of the diagrams of system NaCl–SrCl 2 –H 2 O from 288.15 to 373.15 K shows that area of strontium chloride salt region decreased obviously whereas the areas of NaCl almost invariant. The dry-salt diagram of the NaCl–CaCl 2 –SrCl 2 –H 2 O system consists of four single-salt crystallization regions for NaCl, SrCl 2 ·6H 2 O, SrCl 2 ·2H 2 O and CaCl 2 ·2H 2 O, five univariant solubility curves and two invariant points. Combining Pitzer binary parameters obtained in the literatures, the Pitzer mixing parameters θ Na,Ca , θ Na,Sr , θ Ca,Sr , Ψ Na,Ca,Cl , Ψ Na,Sr,Cl and Ψ Ca,Sr,Cl were fitted with the solubility data in this study and literatures. The model was then used for predicting the solubilities of the two systems. The experimental data are in accordance with the predicted results.
研究领域:
化学
·
物理化学
✓ 已验证
DOI
高影响因子
INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS
·
2021
·
IF 3.871
Bin Han,Shigen Zhu,Weiwei Dong,Yunfeng Bai,Hao Ding,Yilan Luo,Ping Di
In this study, 85-xWC-xTiC-15wt%Al 2 O 3 (x = 0, 5, 10 and 20 wt%) composites were fabricated via hot pressing sintering technology. The influences of TiC additives on the mechanical performance and electrochemical behavior of WC-Al 2 O 3 composite in NaCl solution were investigated. The mean size of WC grain showed a downward trend with the increase of TiC content. The relative density, hardness and fracture toughness of WC-based composites were improved by TiC additives. The maximum values of mechanical performance were obtained when TiC content was 10 wt%. Moreover, the research results indicated that TiC additives significantly increase the corrosion potential and decrease the corrosion current density in NaCl solution. When TiC content increased, the charge-change resistance (R ct ) value presented an uptrend, and then decreased obviously when the TiC content reached 20 wt%. The XPS spectrum and SEM images proved that TiO 2 passivation film was formed on the surface of WA15-10TiC composite. Therefore, it could be concluded that TiO 2 passive film could inhibit further corrosion of the composite.
研究领域:
材料科学
·
腐蚀科学
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）