Materials Science and Engineering: B最新文献

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Metal-organic framework-derived FeNi@NC catalyst for highly efficient hydrogen generation via ammonia decomposition
IF 3.9 3区 材料科学
Materials Science and Engineering: B Pub Date : 2025-01-28 DOI: 10.1016/j.mseb.2025.118051
Ruhao Hu, Yanping Yuan, Wenbo Wang, Tingting Zhang, Yuhan Gu, Anru Yan, Zhiyong Wang
{"title":"Metal-organic framework-derived FeNi@NC catalyst for highly efficient hydrogen generation via ammonia decomposition","authors":"Ruhao Hu,&nbsp;Yanping Yuan,&nbsp;Wenbo Wang,&nbsp;Tingting Zhang,&nbsp;Yuhan Gu,&nbsp;Anru Yan,&nbsp;Zhiyong Wang","doi":"10.1016/j.mseb.2025.118051","DOIUrl":"10.1016/j.mseb.2025.118051","url":null,"abstract":"<div><div>Ammonia (NH<sub>3</sub>), as a promising hydrogen carrier, is favored by researchers because of its high hydrogen content (17.8 wt%), easy liquefaction, high safety, and zero carbon molecules. In this study, MOF derivatives FeNi @ NC with different Fe and Ni ratios are synthesized by calcining FeNi-MIL-101 at high temperature. Their performance in the ammonia decomposition reaction is investigated when the molar ratio of Fe to Ni is 6:4, catalyst exhibits the highest adsorption sites, facilitating the adsorption of reactive species. At 650 °C and an air velocity of 30,000 mL h<sup>−1</sup>g-1 cat, the ammonia decomposition and conversion rate reaches 98 %, and the H<sub>2</sub> production rate is 32.82 mmol H<sub>2</sub> g-1 cat min<sup>−1</sup>. Under the condition of 600 °C and 60000 mL h<sup>−1</sup>g-1 cat, the activity of the catalyst is maintained for more than 120 h, with high ammonia decomposition efficiency and catalyst activity life.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"314 ","pages":"Article 118051"},"PeriodicalIF":3.9,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143166665","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
Comparison performance of RE/Yb3+ co-doped LAZT glass prepared by containerless aerodynamic levitation method
IF 3.9 3区 材料科学
Materials Science and Engineering: B Pub Date : 2025-01-28 DOI: 10.1016/j.mseb.2025.118047
Qiushi Wang , Bijun Fang , Jianding Yu
{"title":"Comparison performance of RE/Yb3+ co-doped LAZT glass prepared by containerless aerodynamic levitation method","authors":"Qiushi Wang ,&nbsp;Bijun Fang ,&nbsp;Jianding Yu","doi":"10.1016/j.mseb.2025.118047","DOIUrl":"10.1016/j.mseb.2025.118047","url":null,"abstract":"<div><div>RE/Yb (RE = Ho, Tm and Er) co-doped [30-(30/88)×(x + y)]La<sub>2</sub>O<sub>3</sub>-[58-(58/88)×(x + y)]Al<sub>2</sub>O<sub>3</sub>-4ZrO<sub>2</sub>-8TiO<sub>2</sub> (LAZT:RE/Yb, RE = Ho, Tm and Er) glasses were fabricated by a containerless aerodynamic levitation method, which overcomes the difficulty of preparing heavy metal oxide glass by the melting-quenching method. All LAZT:RE/Yb glasses present amorphous state, and have high transmittance and excellent mechanical properties, exhibiting certain practical engineering application value. All LAZT:RE/Yb glasses exhibit excellent fluorescence luminescence performance stimulated by the RE/Yb co-doping, in which the upconversion emission colors are orange for LAZT:0.5Ho/0.9Yb glass and LAZT:xEr<sup>3+</sup>/yYb<sup>3+</sup> glasses, and blue purple for LAZT:0.8Tm/7Yb glass, providing possibility of adjusting laser color. The upconversion emission processes of LAZT:0.5Ho/0.9Yb glass and LAZT:2Er<sup>3+</sup>/12Yb<sup>3+</sup> glasses involve upconverted two-photons process, while the upconversion emission process of LAZT:0.8Tm/7Yb glass involves upconverted three-photons process.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"314 ","pages":"Article 118047"},"PeriodicalIF":3.9,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143166666","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
Liquid metal-encapsulated spherical Al2O3/PVA aerogel composites for high-efficiency electromagnetic interference shielding and enhanced mechanical properties
IF 3.9 3区 材料科学
Materials Science and Engineering: B Pub Date : 2025-01-28 DOI: 10.1016/j.mseb.2025.118062
Yu Chen , Zhou Luo , Xinyu Shi , Yue Jiang , Yang Zhang , Zhiguang Xu
{"title":"Liquid metal-encapsulated spherical Al2O3/PVA aerogel composites for high-efficiency electromagnetic interference shielding and enhanced mechanical properties","authors":"Yu Chen ,&nbsp;Zhou Luo ,&nbsp;Xinyu Shi ,&nbsp;Yue Jiang ,&nbsp;Yang Zhang ,&nbsp;Zhiguang Xu","doi":"10.1016/j.mseb.2025.118062","DOIUrl":"10.1016/j.mseb.2025.118062","url":null,"abstract":"<div><div>Liquid metal (LM) is a promising candidate for electromagnetic interference (EMI) shielding due to its exceptional electrical conductivity and ease of processing. However, the high surface tension of LM leads to poor compatibility with polymers, significantly hindering its application in EMI shielding. Here, Al<sub>2</sub>O<sub>3</sub>@LM/borax crosslinked PVA (Al<sub>2</sub>O<sub>3</sub>@LM/BCP) aerogel is prepared using mechanical grinding, melting crosslinking, and directional freeze-drying techniques. The core–shell structure of Al<sub>2</sub>O<sub>3</sub>@LM, prepared by mechanical grinding, effectively reduces the high surface tension of LM, enhancing compatibility with the PVA matrix. Due to its freeze-dried porous structure and superior LM conductivity, the Al<sub>2</sub>O<sub>3</sub>@LM/BCP composite aerogel exhibits outstanding electrical conductivity of 312.5 S/m, efficient electromagnetic interference shielding efficiency (EMI SE) of 80.9 dB, and an excellent SEA/SET ratio of 83.9 %. This work offers a straightforward strategy for developing EMI shielding aerogels with excellent mechanical properties for EMI protection applications.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"314 ","pages":"Article 118062"},"PeriodicalIF":3.9,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143167708","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
Recent advances in point-of-care testing (POCT) system based on upconversion luminescent materials
IF 3.9 3区 材料科学
Materials Science and Engineering: B Pub Date : 2025-01-27 DOI: 10.1016/j.mseb.2025.118049
Shunuo Bian , Tao Jin , Wenqiang Lu
{"title":"Recent advances in point-of-care testing (POCT) system based on upconversion luminescent materials","authors":"Shunuo Bian ,&nbsp;Tao Jin ,&nbsp;Wenqiang Lu","doi":"10.1016/j.mseb.2025.118049","DOIUrl":"10.1016/j.mseb.2025.118049","url":null,"abstract":"<div><div>Point-of-care testing (POCT) technology has drawn significant attention due to its simplicity, rapidity, and low cost, without the need for expensive large-scale equipment and complex laboratory specimen processing and analysis. Upconversion nanoparticles (UCNPs) exhibit unique advantages including low background interference, excellent detection stability, and relatively low potential toxicity. As a result, POCT based on up-converting luminescent materials has gradually emerged as a hot research topic in recent years. This paper offers a comprehensive review of the current progress and applications of upconversion luminescent materials within the field of POCT. It places particular emphasis on exploring ways to design and enhance the structure of upconversion luminescent materials, aiming to further optimize POCT detection methodologies. A concise introduction to the current application status of upconversion luminescence-based POCT technology is provided, along with key points and solution ideas for the design and application of UCNPs nanocomposites in POCT.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"314 ","pages":"Article 118049"},"PeriodicalIF":3.9,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143166663","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
Investigating dielectric and energy-storage capabilities in multiple metal ions modified BaTiO3-based composite ceramics
IF 3.9 3区 材料科学
Materials Science and Engineering: B Pub Date : 2025-01-27 DOI: 10.1016/j.mseb.2025.118053
Wenjing Yang, Mingtang Dong, Yuxi Yang
{"title":"Investigating dielectric and energy-storage capabilities in multiple metal ions modified BaTiO3-based composite ceramics","authors":"Wenjing Yang,&nbsp;Mingtang Dong,&nbsp;Yuxi Yang","doi":"10.1016/j.mseb.2025.118053","DOIUrl":"10.1016/j.mseb.2025.118053","url":null,"abstract":"<div><div>High-efficiency and environmentally-friendly energy source devices highly rely on ceramic capacitors with high dielectric and energy-storage capabilities. The multiple metal ions were added to BaTiO<sub>3</sub>-based ceramic-matrix in order to comparatively investigate the dielectric and energy-storage capabilities. All ceramics displayed the single perovskite phase structure and dense microscopic morphology. In addition to the flatter dielectric stability window of −20 ∼ 200 °C in Ca<sup>2+</sup> modified composite ceramics, the high impedance value (∼5 k) and activation energy (1.75 eV) showed well at temperatures above 700 °C. A high recovered energy-storage density <em>W</em><sub>rec</sub> = 1.09 J/cm<sup>3</sup> with efficiency <em>η</em> = 92.3 % was achieved only at 90 kV/cm in the Zn<sup>2+</sup> modified composite ceramics, which also exhibited good frequency, anti-fatigue, and temperature dependent energy-storage stability. The metal ions modifications provide a potential design strategy for ceramic capacitors to cope with future dielectric and energy-storage applications.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"314 ","pages":"Article 118053"},"PeriodicalIF":3.9,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143166298","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
Investigations on trapping parameters of dysprosium doped lithium potassium borate through thermoluminescence study for high range dosimetry applications
IF 3.9 3区 材料科学
Materials Science and Engineering: B Pub Date : 2025-01-27 DOI: 10.1016/j.mseb.2025.118044
Rahul Awasthi , R. Arun Kumar , Sejal Chandana , Ram Charan Meena , P. Dinesh Sankar Reddy , K. Asokan
{"title":"Investigations on trapping parameters of dysprosium doped lithium potassium borate through thermoluminescence study for high range dosimetry applications","authors":"Rahul Awasthi ,&nbsp;R. Arun Kumar ,&nbsp;Sejal Chandana ,&nbsp;Ram Charan Meena ,&nbsp;P. Dinesh Sankar Reddy ,&nbsp;K. Asokan","doi":"10.1016/j.mseb.2025.118044","DOIUrl":"10.1016/j.mseb.2025.118044","url":null,"abstract":"<div><div>This study investigates the crystal structure and trapping parameters of polycrystalline <span><math><mrow><msub><mrow><mi>L</mi><mi>i</mi></mrow><mrow><mn>1.8</mn></mrow></msub><msub><mi>K</mi><mrow><mn>0.2</mn></mrow></msub><msub><mi>B</mi><mn>4</mn></msub><msub><mi>O</mi><mn>7</mn></msub></mrow></math></span>, doped with varying concentrations (0, 1, 3 5, 7 and 9 mol%) of dysprosium. The <span><math><mrow><msub><mi>Z</mi><mrow><mi>e</mi><mi>f</mi><mi>f</mi></mrow></msub></mrow></math></span> of compound analogously vary with water which is a motivating factor. Samples were prepared for the first-time by adopting microwave-assisted combustion route. X-ray diffractograms of samples matched well with the tetragonal structure of <span><math><mrow><msub><mrow><mi>L</mi><mi>i</mi></mrow><mn>2</mn></msub><msub><mi>B</mi><mn>4</mn></msub><msub><mi>O</mi><mn>7</mn></msub></mrow></math></span> except unit cell volume decreases with increase in dysprosium concentration. Crystallite size of samples lie in the range of 57–80 nm. Thermoluminescence glow curves of the samples show three highly overlapping peaks around temperatures 410, 537 and 590 K. Position and number of peaks are independent of concentration of dopant and doses of γ-irradiation. Saturation dose was not observed in the range 100–5000 Gy. The trapping parameters were calculated using CGCD and was found confined within satisfactory range as validated by Urbach’s plot. The material shows potential to be used in high range dosimetry.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"314 ","pages":"Article 118044"},"PeriodicalIF":3.9,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143166296","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
Electrochemical detection of bisphenol A in milk using copper/copper oxide-decorated N-doped carbon derived from copper-triazole/bacterial cellulose hybrids
IF 3.9 3区 材料科学
Materials Science and Engineering: B Pub Date : 2025-01-27 DOI: 10.1016/j.mseb.2025.118045
Orkun Ziylan , Hasan H. Ipekci , Semra Unal , Mustafa Erkartal , Unal Sen , Aytekin Uzunoglu
{"title":"Electrochemical detection of bisphenol A in milk using copper/copper oxide-decorated N-doped carbon derived from copper-triazole/bacterial cellulose hybrids","authors":"Orkun Ziylan ,&nbsp;Hasan H. Ipekci ,&nbsp;Semra Unal ,&nbsp;Mustafa Erkartal ,&nbsp;Unal Sen ,&nbsp;Aytekin Uzunoglu","doi":"10.1016/j.mseb.2025.118045","DOIUrl":"10.1016/j.mseb.2025.118045","url":null,"abstract":"<div><div>Metal-organic frameworks (MOFs) based on copper-triazole (Cu-MOF) were grown in situ on bacterial cellulose (BC) membranes to achieve highly dispersed MOF@BC hybrids to be used in electrochemical sensing applications. The Cu-MOF@BC hybrids were then used to obtain carbon structures decorated with Cu-species and N-dopants (Cu/CuO-N-C). The Cu/CuO-N-Cs were then used as electrocatalysts for detecting bisphenol A (BPA), also known for its endocrine disturbing effect. Bacterial cellulose (BC) support with abundant oxygen-containing groups enabled the growth of highly distributed MOF nanoparticles. In addition, the copper clusters incorporated in the MOFs showed remarkable conductivity. The sensors yielded a wide linear range of 1.0–11.0 µM with a low detection limit of 30.5 nM against BPA. The sensors indicated good stability, selectivity, and reproducibility. The real sample experiments were conducted in milk, and the recoveries were measured between 102 % and 89.8 %, suggesting the applicability of the sensors for detecting BPA in real samples.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"314 ","pages":"Article 118045"},"PeriodicalIF":3.9,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143166664","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
Ultra-trace Ru-doping FeNiCo-NC bifunctional electrocatalyst for efficient overall water splitting
IF 3.9 3区 材料科学
Materials Science and Engineering: B Pub Date : 2025-01-25 DOI: 10.1016/j.mseb.2025.118036
Qianqian Lei , Kexin Zhu , Lei Zuo , Su Liu , Yujia Zhao , Jianguo Lv , Hai Yu , Min Zhao , Congrong Wang , Miao Zhang , Lei Yang
{"title":"Ultra-trace Ru-doping FeNiCo-NC bifunctional electrocatalyst for efficient overall water splitting","authors":"Qianqian Lei ,&nbsp;Kexin Zhu ,&nbsp;Lei Zuo ,&nbsp;Su Liu ,&nbsp;Yujia Zhao ,&nbsp;Jianguo Lv ,&nbsp;Hai Yu ,&nbsp;Min Zhao ,&nbsp;Congrong Wang ,&nbsp;Miao Zhang ,&nbsp;Lei Yang","doi":"10.1016/j.mseb.2025.118036","DOIUrl":"10.1016/j.mseb.2025.118036","url":null,"abstract":"<div><div>In this letter, NiCo/NC, FeNiCo/NC, RuFeNiCo-NC were designed and synthetized using a two-step strategy. For FeNiCo/NC and RuFeNiCo-NC, transition metal alloy nanoparticles, such as Fe<sub>3</sub>Ni<sub>2</sub> and Co<sub>3</sub>Fe<sub>7</sub>, are embedded in porous carbon matrix with multi-layered structures. The addition of ruthenium trichloride caused a change in the relative content of Fe<sub>3</sub>Ni<sub>2</sub> and Co<sub>3</sub>Fe<sub>7</sub> of the sample. As a bifunctional electrocatalyst, the RuFeNiCo-NC-3 only requires overpotential of 330 mV and 60.7 mV to achieve 10 mA cm<sup>−2</sup> for OER and HER, respectively. During overall water splitting, the assembled RuFeNiCo-NC-3//RuFeNiCo-NC-3 cell only needs voltage of 1.57 V to achieve current density of 10 mA cm<sup>−2</sup>. This provides a simple approach to prepare low-cost electrocatalyst for excellent overall water splitting.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"314 ","pages":"Article 118036"},"PeriodicalIF":3.9,"publicationDate":"2025-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143166297","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
Bio-based PLA composites loaded with Fe3O4/ graphene nanoplatelet hybrids for improved microwave absorbing properties
IF 3.9 3区 材料科学
Materials Science and Engineering: B Pub Date : 2025-01-25 DOI: 10.1016/j.mseb.2025.117994
Ruan R. Henriques , Loan F. Calheiros Souto , Adriana A. Silva , Bluma G Soares
{"title":"Bio-based PLA composites loaded with Fe3O4/ graphene nanoplatelet hybrids for improved microwave absorbing properties","authors":"Ruan R. Henriques ,&nbsp;Loan F. Calheiros Souto ,&nbsp;Adriana A. Silva ,&nbsp;Bluma G Soares","doi":"10.1016/j.mseb.2025.117994","DOIUrl":"10.1016/j.mseb.2025.117994","url":null,"abstract":"<div><div>Poly(lactic acid) (PLA) composites loaded with magnetite (Fe<sub>3</sub>O<sub>4</sub>), graphene nanoplatelets (GNP) and their hybrids were developed through a melt mixing process to create innovative bio-based microwave absorbers (MWA). The hybrids were synthesized in situ, with magnetite generated in the presence of GNP. Alternatively, GNP and Fe<sub>3</sub>O<sub>4</sub> were pre-blended using a ball mill and compounded with PLA. Composites with hybrid filler exhibited superior electromagnetic wave attenuation compared to binary blends, as evidenced by lower minimum reflection loss (RL). Furthermore, the hybrid filler prepared by in situ synthesis of Fe<sub>3</sub>O<sub>4</sub> displayed multiple resonance peak, as well as attenuation of electromagnetic wave more than 99.9% in a larger frequency range, indicating effective impedance matching at various frequencies. Additionally, incorporating 2 wt% of maleic anhydride as compatibilizing agent, the absorbing properties was enhanced with lower content of Fe<sub>3</sub>O<sub>4</sub>-GNP (10 wt%), highlighting the influence of interface compatibilization to improve the distribution of the filler.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"314 ","pages":"Article 117994"},"PeriodicalIF":3.9,"publicationDate":"2025-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143166295","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
Synthesis of Z-scheme heterojunction photocatalysts CuO/Cu2O/Cu@Co3O4 with enriched oxygen vacancies for efficient degradation of tetracycline antibiotics
IF 3.9 3区 材料科学
Materials Science and Engineering: B Pub Date : 2025-01-24 DOI: 10.1016/j.mseb.2025.118042
Wenrui Zhao, Changcheng Lin, Chenlong Shi, Zanpeng Zuo, Hongliang Ge, Qiong Wu, Pingzhan Si, Yanting Yang
{"title":"Synthesis of Z-scheme heterojunction photocatalysts CuO/Cu2O/Cu@Co3O4 with enriched oxygen vacancies for efficient degradation of tetracycline antibiotics","authors":"Wenrui Zhao,&nbsp;Changcheng Lin,&nbsp;Chenlong Shi,&nbsp;Zanpeng Zuo,&nbsp;Hongliang Ge,&nbsp;Qiong Wu,&nbsp;Pingzhan Si,&nbsp;Yanting Yang","doi":"10.1016/j.mseb.2025.118042","DOIUrl":"10.1016/j.mseb.2025.118042","url":null,"abstract":"<div><div>The mesoporous Co<sub>3</sub>O<sub>4</sub> nanosheets have been employed as a promising <span><span>supporting material</span></span> to prepare O<sub>VX</sub>-CuO/Cu<sub>2</sub>O/Cu@Co<sub>3</sub>O<sub>4</sub> Z-type photocatalysts. The strategic modification of Co<sub>3</sub>O<sub>4</sub> nanosheets with CuO/Cu<sub>2</sub>O/Cu nanoparticles, combined with NaBH<sub>4</sub> treatment, led to the formation of a Z-scheme heterostructure and the generation of abundant oxygen vacancies (O<sub>V</sub>s). These modifications were essential for facilitating the rapid diffusion of photo-induced electron-hole pairs and enhancing visible-light absorption, thereby significantly improving the photocatalytic efficiency of O<sub>V1.2</sub>-CuO/Cu<sub>2</sub>O/Cu@Co<sub>3</sub>O<sub>4</sub>, which exhibited the highest catalytic efficiency and exceptional stability for Tetracycline (TC) removal, achieving a rate constant of 0.359 min<sup>−1</sup> and a 95 % removal efficiency within 10 min. The investigation, including ESR tests and trapping experiments, revealed that •OH and •O<sub>2</sub><sup>−</sup> are crucial components in the photocatalytic process. This work shed light on the design and development of highly active photocatalysts for environmental remediation applications.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"314 ","pages":"Article 118042"},"PeriodicalIF":3.9,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143166294","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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