Diamond and Related Materials最新文献

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Bracts derived activated carbon with ZnCo2O4 composite as electrodes for high-performance asymmetric supercapacitors 含ZnCo2O4复合材料的苞片衍生活性炭作为高性能非对称超级电容器的电极
IF 4.3 3区 材料科学
Diamond and Related Materials Pub Date : 2025-04-29 DOI: 10.1016/j.diamond.2025.112349
M. Gowri , A. Thirugnanasundar
{"title":"Bracts derived activated carbon with ZnCo2O4 composite as electrodes for high-performance asymmetric supercapacitors","authors":"M. Gowri ,&nbsp;A. Thirugnanasundar","doi":"10.1016/j.diamond.2025.112349","DOIUrl":"10.1016/j.diamond.2025.112349","url":null,"abstract":"<div><div>This research explores the development of an innovative asymmetric supercapacitor (ASC) featuring activated carbon (AC) derived from banana bracts as the negative electrode and a ZnCo<sub>2</sub>O<sub>4</sub>/AC nanocomposite as the positive electrode. The honeycomb-like porous structure of the AC enhances its surface area and porosity, facilitating improved ionic mobility. ZnCo<sub>2</sub>O<sub>4</sub> is integrated into the AC framework, providing a mesoporous structure that significantly enhances charge storage and electrical conductivity. The ZnCo<sub>2</sub>O<sub>4</sub>/AC composite exhibits a specific capacitance of 1656 F g<sup>−1</sup> at 1 A/g, along with impressive rate capability, maintaining 95.3 % of its capacitance after 10,000 cycles. The ASC device operates at a voltage of 1.5 V, delivering an energy density of 42.2 Wh kg<sup>−1</sup> and a power density of 750 W kg<sup>−1</sup>. These results highlight the potential of ZnCo<sub>2</sub>O<sub>4</sub>/AC as a high-performance electrode material, combining high capacitance, excellent cycling stability, and superior rate capability for next-generation energy storage applications.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"156 ","pages":"Article 112349"},"PeriodicalIF":4.3,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143923414","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}
引用次数: 0
Preparation of step-flow grown diamond films and directionally oriented NV center ensembles 阶梯流生长金刚石薄膜的制备及定向NV中心系综
IF 4.3 3区 材料科学
Diamond and Related Materials Pub Date : 2025-04-28 DOI: 10.1016/j.diamond.2025.112387
Xin Tan , Jian Wang , Xiangsheng Li , Xueyuan Wei , Qiao Yang , Zhanqing He , Hui Qi , Bochen Zhang , Dachuan Meng , Zhengyu Liang , Shiyang Sun
{"title":"Preparation of step-flow grown diamond films and directionally oriented NV center ensembles","authors":"Xin Tan ,&nbsp;Jian Wang ,&nbsp;Xiangsheng Li ,&nbsp;Xueyuan Wei ,&nbsp;Qiao Yang ,&nbsp;Zhanqing He ,&nbsp;Hui Qi ,&nbsp;Bochen Zhang ,&nbsp;Dachuan Meng ,&nbsp;Zhengyu Liang ,&nbsp;Shiyang Sun","doi":"10.1016/j.diamond.2025.112387","DOIUrl":"10.1016/j.diamond.2025.112387","url":null,"abstract":"<div><div>The nitrogen-vacancy (NV) color center in diamond, serving as an ideal solid-state sensing structure in quantum sensing, holds significant value. However, due to the random orientation distribution of NV center, it results in low contrast in magnetic detection. This study employed microwave plasma chemical vapor deposition equipment to prepare diamond (111) thin film Substrate with smooth and uniform surfaces, utilizing epitaxial growth principles and hydrofluoric acid separation techniques for improved orientation consistency. Explored the effects of methane concentration and deposition temperature on the step-flow growth of diamond (111) thin film. Introduction of ammonia gas facilitated the directed preparation of NV color center, achieving an alignment rate of 46 % as detected by ODMR. The contrast reached a high of 4.5 %, and magnetic sensitivity, as indicated by the F/C ratio, improved threefold, laying a foundation for future advancements in optical and magnetic sensing fields.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"156 ","pages":"Article 112387"},"PeriodicalIF":4.3,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143916278","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}
引用次数: 0
The structure and thermal conductivity of the diffusion-bonded interface of diamond-copper composite material prepared by spark-plasma sintering based on a molybdenum interlayer 基于钼中间层的火花等离子烧结金刚石-铜复合材料扩散键合界面的结构和导热性能
IF 4.3 3区 材料科学
Diamond and Related Materials Pub Date : 2025-04-28 DOI: 10.1016/j.diamond.2025.112383
Dao-chun Hu , Lei Wang , Ming-he Chen , Xiao-qi Jian , Ning Wang
{"title":"The structure and thermal conductivity of the diffusion-bonded interface of diamond-copper composite material prepared by spark-plasma sintering based on a molybdenum interlayer","authors":"Dao-chun Hu ,&nbsp;Lei Wang ,&nbsp;Ming-he Chen ,&nbsp;Xiao-qi Jian ,&nbsp;Ning Wang","doi":"10.1016/j.diamond.2025.112383","DOIUrl":"10.1016/j.diamond.2025.112383","url":null,"abstract":"<div><div>An efficient thermal conduction characteristic is significant for electronic packaging materials. The diamond‑copper (Cu) composite material is considered to offer the most potential as a thermal management material, however, the coefficient of thermal conductivity (CTC) of the material is decreased due to the presence of bonded interface defects and the poor wettability, limiting the application of the material. Spark plasma sintering (SPS) diffusion bonding was used to join the diamond-Cu composite material. After adding a molybdenum (Mo) interlayer to the bonded interface, a reliable bonded interface was formed. The CTC of the material increases from 658.1 W/(m·K) to 724.33 W/(m·K), and the coefficient of thermal expansion (CTE) is 6.1 × 10<sup>−6</sup> K<sup>−1</sup>, which matches well with the semiconductor chip. The reduction of interfacial defects, the enhancement of bonding ability, the elevation of material densities enhance the thermal conductivity of the material, the generation of Mo<sub>2</sub>C at the interface enhances the coupling of phonons at the interface, the hybridization of electron orbitals, and thus the enhancement of interfacial thermal conductivity. The research provides theoretical support for modification of the interface of the diamond-Cu composite material.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"156 ","pages":"Article 112383"},"PeriodicalIF":4.3,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143916283","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}
引用次数: 0
Synergistic enhancement of electrochemical performance in g-C3N4@SnS2 hetero-structures for advanced supercapacitor applications 先进超级电容器应用中g-C3N4@SnS2异质结构电化学性能的协同增强
IF 4.3 3区 材料科学
Diamond and Related Materials Pub Date : 2025-04-28 DOI: 10.1016/j.diamond.2025.112390
Yusra Anwar , M.I. Khan , Ali Mujtaba , Umer Younas , Mahvish Fatima , Dhafer O. Alshahrani , Mongi Amami
{"title":"Synergistic enhancement of electrochemical performance in g-C3N4@SnS2 hetero-structures for advanced supercapacitor applications","authors":"Yusra Anwar ,&nbsp;M.I. Khan ,&nbsp;Ali Mujtaba ,&nbsp;Umer Younas ,&nbsp;Mahvish Fatima ,&nbsp;Dhafer O. Alshahrani ,&nbsp;Mongi Amami","doi":"10.1016/j.diamond.2025.112390","DOIUrl":"10.1016/j.diamond.2025.112390","url":null,"abstract":"<div><div>The urgent demand for efficient and sustainable energy storage systems presents a critical challenge in the development of high-performance electrode materials. This study addresses this gap by synthesizing a novel g-C<sub>3</sub>N<sub>4</sub>@SnS<sub>2</sub> heterostructure aimed at advancing supercapacitor technology. The engineered composite demonstrated a superior specific capacitance of 787 F/g at 0.8 A/g and a notable energy density of 56.8 Wh/kg, surpassing the performance of its individual components. Electrochemical impedance spectroscopy (EIS) revealed a reduction in charge transfer resistance, indicating enhanced ion transport and improved conductivity within the composite. The promising electrochemical characteristics, coupled with structural integrity and stability, position g-C<sub>3</sub>N<sub>4</sub>@SnS<sub>2</sub> as a viable candidate for industrial applications in next-generation energy storage devices.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"156 ","pages":"Article 112390"},"PeriodicalIF":4.3,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143904242","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}
引用次数: 0
Glucose derived carbon-coated titanium dioxide (GDCC-TiO2) as an advanced electrode material for supercapacitor applications 葡萄糖衍生碳包覆二氧化钛(gdc - tio2)作为超级电容器应用的高级电极材料
IF 4.3 3区 材料科学
Diamond and Related Materials Pub Date : 2025-04-28 DOI: 10.1016/j.diamond.2025.112389
Rahul Kumar
{"title":"Glucose derived carbon-coated titanium dioxide (GDCC-TiO2) as an advanced electrode material for supercapacitor applications","authors":"Rahul Kumar","doi":"10.1016/j.diamond.2025.112389","DOIUrl":"10.1016/j.diamond.2025.112389","url":null,"abstract":"<div><div>This study examines the advancement and performance of glucose derived carbon- coated titanium dioxide (GDCC-TiO₂) as an advanced electrode material for supercapacitor applications. GDCC-TiO<sub>2</sub> has been fabricated utilizing titanium dioxide and glucose. During the thermal treatment in an inert atmosphere, glucose molecules coated on the surface of titanium dioxide particles are transforming into carbon. Structural analyses ((X-ray diffraction (XRD), Raman spectroscopy, and transmission electron microscopy (TEM)) verify the presence of carbon coating on TiO<sub>2</sub> particles. The in-situ carbon coating provides a conductive network around the TiO₂, significantly improving its intrinsic low electrical conductivity while maintaining its high pseudocapacitive properties. The carbon layer enhances ion diffusion, prevents particle agglomeration, and offers structural stability, leading to improved cycling performance and charge-discharge rates. Electrochemical testing, including cyclic voltammetry (CV), galvanostatic charge-discharge (GCD), and electrochemical impedance spectroscopy (EIS), reveals that the GDCC-TiO₂ demonstrates the properties of the electrode material utilized in supercapacitor. The specific capacitance of GDCC-TiO₂ reaches a significant value 270.7 F/g at lower scan rate 25 mV/s due to enhanced ion penetration into the pores, while good rate capability is measured at higher scan rates. The GDCC-TiO₂ electrode exhibits a high-power density of 1575 Wkg<sup>−1</sup> at energy density of 8.7 Whkg<sup>−1</sup>.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"156 ","pages":"Article 112389"},"PeriodicalIF":4.3,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143900430","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}
引用次数: 0
Morphological transformation of impact diamond crystals after interaction with metal melt at high pressure and high temperature 高压高温下冲击金刚石晶体与金属熔体相互作用后的形态变化
IF 4.3 3区 材料科学
Diamond and Related Materials Pub Date : 2025-04-26 DOI: 10.1016/j.diamond.2025.112377
A.A. Chepurov , E.I. Zhimulev , E.O. Barabash , S.V. Goryainov , S.A. Gromilov , V.M. Sonin , I.A. Gryaznov , V.P. Afanasiev , A.I. Chepurov , A.I. Turkin
{"title":"Morphological transformation of impact diamond crystals after interaction with metal melt at high pressure and high temperature","authors":"A.A. Chepurov ,&nbsp;E.I. Zhimulev ,&nbsp;E.O. Barabash ,&nbsp;S.V. Goryainov ,&nbsp;S.A. Gromilov ,&nbsp;V.M. Sonin ,&nbsp;I.A. Gryaznov ,&nbsp;V.P. Afanasiev ,&nbsp;A.I. Chepurov ,&nbsp;A.I. Turkin","doi":"10.1016/j.diamond.2025.112377","DOIUrl":"10.1016/j.diamond.2025.112377","url":null,"abstract":"<div><div>The aim of the present experiment is to study the morphological transformation of impact diamond crystals after interaction with metal melt at high pressure and high temperature (HPHT). As initial samples, near colorless flattened impact diamond crystals from the Popigai astrobleme (Yakutia) were selected. The experiments were performed using a split-sphere multi-anvil high-pressure apparatus at 6 GPa and 1450°С, which correspond to a diamond stability field. It was found that at the HPHT conditions a contact of lonsdaleite-bearing diamond with Ni<img>Fe melt leads to the formation of complex layered textures which are a combination of dissolution of impact diamond and growth of a cubic diamond phase. The textures gradually transform into an aggregate of microcrystals in a subparallel orientation. The obtained results are substantial for the development of abrasive tools at HPHT conditions using impact diamonds.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"155 ","pages":"Article 112377"},"PeriodicalIF":4.3,"publicationDate":"2025-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143878493","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}
引用次数: 0
Influence of microstructure and mechanism of vacuum brazed diamond with heavy rare earth Yb-doped NiCr filler alloy 重稀土掺镱NiCr填充合金对真空钎焊金刚石显微组织的影响及机理
IF 4.3 3区 材料科学
Diamond and Related Materials Pub Date : 2025-04-26 DOI: 10.1016/j.diamond.2025.112372
Tian Jin , Banglun Wang , Zhihao Chen , Minglang Liu , Yanming He , Liujie Xu , Changjin Liu , Dong Xu
{"title":"Influence of microstructure and mechanism of vacuum brazed diamond with heavy rare earth Yb-doped NiCr filler alloy","authors":"Tian Jin ,&nbsp;Banglun Wang ,&nbsp;Zhihao Chen ,&nbsp;Minglang Liu ,&nbsp;Yanming He ,&nbsp;Liujie Xu ,&nbsp;Changjin Liu ,&nbsp;Dong Xu","doi":"10.1016/j.diamond.2025.112372","DOIUrl":"10.1016/j.diamond.2025.112372","url":null,"abstract":"<div><div>In this study, a method of brazing connection between diamond and American Iron and Steel Institute 1045 (AISI 1045) using heavy rare earth Yb-doped Ni<img>Cr filler alloy was proposed. Firstly, the effects of different doping amounts of Yb on the organization and properties of Ni<img>Cr filler alloy were investigated. The doping of Yb alters the microstructure of the Ni<img>Cr filler alloy, promoting the transformation of coarse dendrites into fine equiaxed grains. When the doping amount of Yb was 1.0 wt%, the microhardness of the filler alloy was up to 738.63 Hv<sub>0.2</sub>. Secondly, the formation of rare earth compounds Ni<sub>7</sub>Yb<sub>2</sub> and NiYb<sub>3</sub> can effectively inhibit the chemical corrosion of diamond by the catalytic element Ni in filler alloy. The size and morphology of the carbides were changed, and the fine carbides were conducive to improving the quality of the brazed joints. Especially when the doping amount of Yb was 1.0 wt%, the reaction between the filler alloy and the diamond interface was more intense, the carbide layer was thicker about 4.26 μm. Diamond abrasive grains had the lowest degree of graphitization and the highest hydrostatic strength of 3575.7 MPa. Moreover, the surface morphology of diamond abrasive grains was intact after the friction wear test, and the removal amount of alumina ceramics by grinding was up to 42.7 mg. It is shown that the brazed diamond has excellent mechanical properties and wear resistance.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"156 ","pages":"Article 112372"},"PeriodicalIF":4.3,"publicationDate":"2025-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143894431","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}
引用次数: 0
Two fractions of low mobility acetonitrile inside graphite oxide according to 1H NMR spectroscopy 根据核磁共振氢谱分析,氧化石墨内部有两部分低迁移率的乙腈
IF 4.3 3区 材料科学
Diamond and Related Materials Pub Date : 2025-04-26 DOI: 10.1016/j.diamond.2025.112371
E.L. Vavilova , M. Yu Volkov , Y.V. Slesareva , D.A. Astvatsaturov , N.A. Chumakova
{"title":"Two fractions of low mobility acetonitrile inside graphite oxide according to 1H NMR spectroscopy","authors":"E.L. Vavilova ,&nbsp;M. Yu Volkov ,&nbsp;Y.V. Slesareva ,&nbsp;D.A. Astvatsaturov ,&nbsp;N.A. Chumakova","doi":"10.1016/j.diamond.2025.112371","DOIUrl":"10.1016/j.diamond.2025.112371","url":null,"abstract":"<div><div>Molecular mobility of acetonitrile intercalated into the inter-plane space of graphite oxide was studied using <sup>1</sup>H NMR spectroscopy. The spectral shape for samples with different saturation level at different temperatures was observed and analyzed in detail. The existence of two fractions of intercalated acetonitrile with different molecular mobility was revealed. The effective activation energy for molecular mobility of acetonitrile in between the oxidized graphene planes was determined.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"156 ","pages":"Article 112371"},"PeriodicalIF":4.3,"publicationDate":"2025-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143894433","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}
引用次数: 0
Effect of diamond powder grain size distribution on mechanical and application properties of PDC 金刚石粉末粒度分布对PDC力学性能和应用性能的影响
IF 4.3 3区 材料科学
Diamond and Related Materials Pub Date : 2025-04-24 DOI: 10.1016/j.diamond.2025.112367
Xiaohua Ke , Alojz Ivankovic , Xiongwen Yang , Vishnu Prasad , Neal Murphy , Xiaoqing Zhu
{"title":"Effect of diamond powder grain size distribution on mechanical and application properties of PDC","authors":"Xiaohua Ke ,&nbsp;Alojz Ivankovic ,&nbsp;Xiongwen Yang ,&nbsp;Vishnu Prasad ,&nbsp;Neal Murphy ,&nbsp;Xiaoqing Zhu","doi":"10.1016/j.diamond.2025.112367","DOIUrl":"10.1016/j.diamond.2025.112367","url":null,"abstract":"<div><div>Three diamond powders (referred to as P1, P2 and P3) with size parameters for narrowness analysis (SPAN) of 0.5, 0.7 and 1.0 in the range of 10-20 μm with normal distribution characteristics were selected to produce PDC cutters (referred to as S1, S2 and S3) and further processed into PDC bits (referred to as Bit1, Bit2 and Bit3). The grain size distribution of the diamond powders, the microscopic characteristics and mechanical properties of the PDC cutters, and the application performance of the PDC bits were also evaluated. The tests showed that as the SPAN of the diamond powder decreases, the surface area average diameter (d<sub>s</sub>) decreases while the volume average diameter (d<sub>v</sub>) increases. The microstructural characteristics of PDC correlate more closely with d<sub>s</sub>. The wear resistance and thermal stability of PDC are correlated with d<sub>s</sub>, while the impact resistance of PDC is more influenced by d<sub>v</sub>. In the field test, Bit1 showed significant advantages compared to Bit2 and Bit3, the footage increased by 137% and 184%, the rate of penetration (ROP) increased by and 35% and 50% respectively.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"155 ","pages":"Article 112367"},"PeriodicalIF":4.3,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143877366","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}
引用次数: 0
Ultrasensitive and selective detection of indigo carmine in soft drink: A facile electrochemical approach based on Zr-MOF@MWCNTs nanocomposite 超灵敏和选择性检测软饮料中的靛蓝胭脂红:基于Zr-MOF@MWCNTs纳米复合材料的简便电化学方法
IF 4.3 3区 材料科学
Diamond and Related Materials Pub Date : 2025-04-24 DOI: 10.1016/j.diamond.2025.112366
Yu Xie , Wei Zhou , Jia-Wen Yin , Yi Li , Cheng-Ye Lai , Jin-Hao Lai , Zhi-Jie Zhu , Xiu-Guang Yi , Li-Min Liu , Kalle Salminen
{"title":"Ultrasensitive and selective detection of indigo carmine in soft drink: A facile electrochemical approach based on Zr-MOF@MWCNTs nanocomposite","authors":"Yu Xie ,&nbsp;Wei Zhou ,&nbsp;Jia-Wen Yin ,&nbsp;Yi Li ,&nbsp;Cheng-Ye Lai ,&nbsp;Jin-Hao Lai ,&nbsp;Zhi-Jie Zhu ,&nbsp;Xiu-Guang Yi ,&nbsp;Li-Min Liu ,&nbsp;Kalle Salminen","doi":"10.1016/j.diamond.2025.112366","DOIUrl":"10.1016/j.diamond.2025.112366","url":null,"abstract":"<div><div>Indigo carmine (IC), a widely used synthetic dye, possess significant risks to human health due to its high toxicity, carcinogenicity, teratogenicity, and mutagenicity. Given its widespread use in food, beverages, and pharmaceuticals, excessive IC exposure can lead to severe health issues, including allergic reactions, gastrointestinal disturbances, and potential carcinogenic effects. Therefore, stringent monitoring of IC content in food is essential to ensure public health and safety. In this study, we developed a novel electrochemical sensor for IC detection by synthesizing a nanocomposite of zirconium-based metal-organic frameworks (Zr-MOF) and multi-walled carbon nanotubes (MWCNTs). The Zr-MOF@MWCNTs composite was characterized by scanning electron microscopy (SEM), transmission electron microscope (TEM), Fourier-transform infrared spectroscopy (FT-IR) and X-ray photoelectron spectroscopy (XPS). The sensor leverages the synergistic combination of the electrocatalytic properties of Zr-MOF and the superior conductivity of MWCNTs, demonstrating rapid response, excellent selectivity, high sensitivity (4.484 μA μM<sup>-1</sup> cm<sup>-2</sup>), a broad detection range (0.005–30.0 μM), and a low limit of detection (LOD, 3.0 nM). The method showed good detection performance in both phosphate buffer solutions (PBS) and real beverage samples, achieving recoveries of 94.1 %–99.4 %. This study offers a promising approach for the rapid and accurate monitoring of IC in food products, contributing to improved food safety and public health.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"155 ","pages":"Article 112366"},"PeriodicalIF":4.3,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143874950","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}
引用次数: 0
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