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Highly efficient removal of Direct Red 89 from aqueous solution by homogeneous catalyst produced during electrocoagulation for PS/H2O2 activation 利用 PS/H2O2 活化电凝过程中产生的均相催化剂高效去除水溶液中的直接红 89
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-01-12 DOI: 10.1016/j.catcom.2024.106847
Shoorangiz Karimi , Sobhan Ghanbari , Ensiyeh Taheri , Bijan Bina
{"title":"Highly efficient removal of Direct Red 89 from aqueous solution by homogeneous catalyst produced during electrocoagulation for PS/H2O2 activation","authors":"Shoorangiz Karimi ,&nbsp;Sobhan Ghanbari ,&nbsp;Ensiyeh Taheri ,&nbsp;Bijan Bina","doi":"10.1016/j.catcom.2024.106847","DOIUrl":"10.1016/j.catcom.2024.106847","url":null,"abstract":"<div><p>The study explored the simultaneous use of peroxydisulfate (PS) and hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) in the electrocoagulation process for efficient removal of direct red 89 (DR89) from aqueous solutions. The study examined the effect of various parameters, including electrode type, electrolyte type and dosage, initial pH, current density, PS and H<sub>2</sub>O<sub>2</sub> dosage, and initial DR89 concentration. The highest efficiency was achieved in acidic conditions using AL-Fe electrodes and Na<sub>2</sub>SO<sub>4</sub> as a supporting electrolyte and applying the highest studied current density (20 mA/cm<sup>2</sup>). The study found that DR89 removal followed second-order reaction kinetics, and singlet oxygen played a significant role in DR89 degradation.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106847"},"PeriodicalIF":3.7,"publicationDate":"2024-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000074/pdfft?md5=2fc1ae1a782c982b4e9bb38d1364e413&pid=1-s2.0-S1566736724000074-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139458874","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesized rGO/f-MWCNT-architectured 1-D ZnO nanocomposites for azo dyes adsorption, photocatalytic degradation, and biological applications 合成用于偶氮染料吸附、光催化降解和生物应用的 rGO/f-MWCNT 构架一维氧化锌纳米复合材料
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-01-11 DOI: 10.1016/j.catcom.2024.106846
Prashant D. Sarvalkar , Suhas S. Kamble , Prathmesh S. Powar , Samidha S. Kakade , Aasiya S. Jamadar , Priyanka Thounaojam , Madhuri S. Patil , Sonali V. Kalake , Mansingraj S. Nimbalkar , Kiran Kumar K. Sharma
{"title":"Synthesized rGO/f-MWCNT-architectured 1-D ZnO nanocomposites for azo dyes adsorption, photocatalytic degradation, and biological applications","authors":"Prashant D. Sarvalkar ,&nbsp;Suhas S. Kamble ,&nbsp;Prathmesh S. Powar ,&nbsp;Samidha S. Kakade ,&nbsp;Aasiya S. Jamadar ,&nbsp;Priyanka Thounaojam ,&nbsp;Madhuri S. Patil ,&nbsp;Sonali V. Kalake ,&nbsp;Mansingraj S. Nimbalkar ,&nbsp;Kiran Kumar K. Sharma","doi":"10.1016/j.catcom.2024.106846","DOIUrl":"https://doi.org/10.1016/j.catcom.2024.106846","url":null,"abstract":"<div><p>A study has synthesized a composite of carbonaceous nanomaterials, including functionalized multi-walled carbon nanotubes (f-MWCNT) and reduced graphene oxide (rGO), with 1D-architectured zinc oxide nanorods (ZnO NRs), for applications in adsorption and sunlight-assisted photocatalytic degradation. We modified the composite with 1% <em>w</em>/w rGO and f-MWCNT. We studied the adsorption and photodegradation of azo dyes using ZnO and its nanocomposites. The photocatalysts of RZnO and CZnO nanocomposite degraded RhB, MB, CV, MO, and CR dyes with a degradation percentage of 92 to 97%. The nanocomposite demonstrated superior antimicrobial and antioxidant properties compared to ZnO NRs, highlighting their potential in drug delivery.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106846"},"PeriodicalIF":3.7,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000062/pdfft?md5=322b807b0bda01d0bad8d83fb356ad99&pid=1-s2.0-S1566736724000062-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139435985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The roles of carbonaceous wastes for catalysis, energy, and environmental remediation 碳质废物在催化、能源和环境修复方面的作用
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-01-11 DOI: 10.1016/j.catcom.2024.106845
Chi Huey Ng , Mohd Aizzan Mistoh , Siow Hwa Teo , Andrea Galassi , Yun Hin Taufiq-Yap , Nancy Julius Siambun , Jurry Foo , Coswald Stephen Sipaut , Jeffrey Seay , Jidon Janaun
{"title":"The roles of carbonaceous wastes for catalysis, energy, and environmental remediation","authors":"Chi Huey Ng ,&nbsp;Mohd Aizzan Mistoh ,&nbsp;Siow Hwa Teo ,&nbsp;Andrea Galassi ,&nbsp;Yun Hin Taufiq-Yap ,&nbsp;Nancy Julius Siambun ,&nbsp;Jurry Foo ,&nbsp;Coswald Stephen Sipaut ,&nbsp;Jeffrey Seay ,&nbsp;Jidon Janaun","doi":"10.1016/j.catcom.2024.106845","DOIUrl":"10.1016/j.catcom.2024.106845","url":null,"abstract":"<div><p>This article reviews recent studies about various generations of the carbon materials for their applications in energy and environmental remediation. The synthesis routes of the carbon materials including the condition parameters, interaction of precursors, dopants and carbon materials, as well as their physical/chemical properties are explicated first. Then, the application and mechanism of metal-free/metal-doped/non-metal-doped carbon materials are discussed in detail. Lastly, this review is ended with a summary and invigorating perspectives on the challenges and future directions at the forefront of the catalysis platform to take a step further for real application.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106845"},"PeriodicalIF":3.7,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000050/pdfft?md5=2775cfb2e38b36e038352ae0be940648&pid=1-s2.0-S1566736724000050-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139459258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An S-scheme heterojunction BiOBr QDs/Bi7O9I3 nanoflowers enabling enhanced photocatalytic oxygen evolution 可增强光催化氧进化的 S 型异质结 BiOBr QDs/Bi7O9I3 纳米花束
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-01-11 DOI: 10.1016/j.catcom.2024.106843
Qian Li , Xin Pan , Xingguo Wang , Chengbing Ma , Jitang Chen , Yan Han , Biao Wang , Lianzhen Bo , Huiquan Li , Xinying Liu , Yupeng Yuan
{"title":"An S-scheme heterojunction BiOBr QDs/Bi7O9I3 nanoflowers enabling enhanced photocatalytic oxygen evolution","authors":"Qian Li ,&nbsp;Xin Pan ,&nbsp;Xingguo Wang ,&nbsp;Chengbing Ma ,&nbsp;Jitang Chen ,&nbsp;Yan Han ,&nbsp;Biao Wang ,&nbsp;Lianzhen Bo ,&nbsp;Huiquan Li ,&nbsp;Xinying Liu ,&nbsp;Yupeng Yuan","doi":"10.1016/j.catcom.2024.106843","DOIUrl":"10.1016/j.catcom.2024.106843","url":null,"abstract":"<div><p>Constructing a heterojunction is an effective strategy to achieve high-efficiency separation of charges, which enhances the photocatalytic performance. Here, we present a 0D/3D S-scheme heterojunction, BiOBr/Bi<sub>7</sub>O<sub>9</sub>I<sub>3</sub>, which was constructed by incorporating highly dispersed BiOBr quantum dots (QDs) onto the surface of Bi<sub>7</sub>O<sub>9</sub>I<sub>3</sub> nanoflowers. This heterostructure effectively absorbs visible light and enhances the separation of charge carriers significantly via an S-scheme pathway. As a result, the BiOBr/Bi<sub>7</sub>O<sub>9</sub>I<sub>3</sub> photocatalysts demonstrated an excellent photocatalytic O<sub>2</sub> evolution rate, achieving a rate of nearly 1500 μmol h<sup>−1</sup> g<sup>−1</sup>. This work highlights the effectiveness of constructing S-scheme heterojunctions to enhance photocatalytic O<sub>2</sub> evolution.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106843"},"PeriodicalIF":3.7,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000037/pdfft?md5=0c4044ea65f12de102aced758f67314e&pid=1-s2.0-S1566736724000037-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139458937","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Surface Plasmon Resonance-enhanced photocatalytic water-splitting for improved visible-light-driven H2 generation using Ag-modified twin crystal Cd0.5Zn0.5S photocatalysts 利用银改性孪晶 Cd0.5Zn0.5S 实现表面等离子共振增强型光催化水分离，从而提高可见光驱动的 H2 生成率
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-01-06 DOI: 10.1016/j.catcom.2024.106841
Mohammed Alfatih Hamid , Yasar Zengin , Ismail Boz
{"title":"Surface Plasmon Resonance-enhanced photocatalytic water-splitting for improved visible-light-driven H2 generation using Ag-modified twin crystal Cd0.5Zn0.5S photocatalysts","authors":"Mohammed Alfatih Hamid ,&nbsp;Yasar Zengin ,&nbsp;Ismail Boz","doi":"10.1016/j.catcom.2024.106841","DOIUrl":"10.1016/j.catcom.2024.106841","url":null,"abstract":"<div><p>Photocatalytic hydrogen generation is a viable option among strategies to mitigate the energy crisis. This study investigates visible-light-driven H<sub>2</sub> generation using Ag-doped twin crystal Cd<sub>x</sub>Zn<sub>1-x</sub>S photocatalysts synthesized through a solvothermal process. Ag nanoparticles induce Surface Plasmon Resonance (SPR), enhancing photo-response. Twin crystal 1 wt% Ag-doped Cd<sub>0.5</sub>Zn<sub>0.5</sub>S photocatalyst exhibits significant H<sub>2</sub> evolution at 2458 μmol/g<sub>cat</sub>.h under visible light. Enhanced performance is attributed to dual-function Ag nanoparticles: SPR-enhanced light absorption, efficient electron transfer to the Cd<sub>0.5</sub>Zn<sub>0.5</sub>S conduction band, and the twin crystal structure facilitating electron-hole pair separation. Emphasis on optimal Ag loading and the crucial role of SPR in elevating photocatalyst efficiency.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106841"},"PeriodicalIF":3.7,"publicationDate":"2024-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000013/pdfft?md5=cc9056ee1a90562d85ef268d45c1f8b5&pid=1-s2.0-S1566736724000013-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139373932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Atmospheric plasma in the preparation and pre-treatment of catalytic materials – A mini review 大气等离子体在催化材料制备和预处理中的应用 - 综述
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-01-04 DOI: 10.1016/j.catcom.2023.106839
Pawel Mierczynski , Agnieszka Mierczynska-Vasilev , Malgorzata Szynkowska-Jozwik , Krasimir Vasilev
{"title":"Atmospheric plasma in the preparation and pre-treatment of catalytic materials – A mini review","authors":"Pawel Mierczynski ,&nbsp;Agnieszka Mierczynska-Vasilev ,&nbsp;Malgorzata Szynkowska-Jozwik ,&nbsp;Krasimir Vasilev","doi":"10.1016/j.catcom.2023.106839","DOIUrl":"10.1016/j.catcom.2023.106839","url":null,"abstract":"<div><p>This review paper presents a concise summary selected plasma-assisted catalyst preparation and pre-treatment methods. It provide classification of reported plasma techniques used for catalyst preparation and give examples for their applications. The paper also discusses the advantages and disadvantages of plasma-assisted methods for the synthesis of catalytic materials. The challenges associated with the use of plasma in the preparation of catalytic materials are also presented. The opportunities for the application of plasma in the preparation of catalysis for generation of advanced materials and improving industrial processes are also highlighted.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106839"},"PeriodicalIF":3.7,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736723002418/pdfft?md5=5b144f09d4581845328130713941eb94&pid=1-s2.0-S1566736723002418-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139094975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Catalytic bio-oil upgrading using Fe-Co/Al2O3 and co-processing with vacuum gas oil 使用 FeCo/Al2O3 对生物油进行催化升质并与真空瓦斯油进行共处理
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-01-04 DOI: 10.1016/j.catcom.2023.106840
Nand Kishore Saini , Nandana Chakinala , Supriyo Majumder , Pintu Maity , Chiranjeevi Thota , Anand G. Chakinala
{"title":"Catalytic bio-oil upgrading using Fe-Co/Al2O3 and co-processing with vacuum gas oil","authors":"Nand Kishore Saini ,&nbsp;Nandana Chakinala ,&nbsp;Supriyo Majumder ,&nbsp;Pintu Maity ,&nbsp;Chiranjeevi Thota ,&nbsp;Anand G. Chakinala","doi":"10.1016/j.catcom.2023.106840","DOIUrl":"10.1016/j.catcom.2023.106840","url":null,"abstract":"<div><p>The current study explores the hydrodeoxygenation (HDO) of pine sawdust derived pyrolysis bio-oil and co-processing of raw bio-oil with Vacuum Gas Oil (VGO) in a micro-activity testing (MAT) unit. The catalytic performance of mono- and bi-metallic catalysts were tested for bio-oil upgrading. Notably, Fe<img>Co (2:1)/Al<sub>2</sub>O<sub>3</sub> catalysts exhibited superior HDO activity compared to their mono-metallic counterparts. Co-processing of raw bio-oil (2–10 wt%) with VGO led to a notable increase in gasoline yield of ∼48% with a 6 wt% blend. Maximum conversion was achieved with 8 wt% blend, further increasing the proportion, conversion decreased significantly affecting the product distribution.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106840"},"PeriodicalIF":3.7,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S156673672300242X/pdfft?md5=8d30fe6d65e075087a809f85a68d387d&pid=1-s2.0-S156673672300242X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139095471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Valorizing biomass waste glycerol to fuel additive at room temperature using a nanostructured WO3/Nb2O5 catalyst 使用纳米结构 WO3/Nb2O5 催化剂在室温下将生物质废甘油转化为燃料添加剂
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-01-01 DOI: 10.1016/j.catcom.2023.106827
Suresh Babu Putla , P. Subha , Bhattu Swapna , Nittan Singh , Putla Sudarsanam
{"title":"Valorizing biomass waste glycerol to fuel additive at room temperature using a nanostructured WO3/Nb2O5 catalyst","authors":"Suresh Babu Putla ,&nbsp;P. Subha ,&nbsp;Bhattu Swapna ,&nbsp;Nittan Singh ,&nbsp;Putla Sudarsanam","doi":"10.1016/j.catcom.2023.106827","DOIUrl":"10.1016/j.catcom.2023.106827","url":null,"abstract":"<div><p>We developed a nanostructured catalyst consisting of WO<sub>3</sub> nanoparticles and Nb<sub>2</sub>O<sub>5</sub> nanorods for efficient glycerol acetalization to produce a fuel additive (solketal) at room temperature. Particularly, the WO<sub>3</sub>/Nb<sub>2</sub>O<sub>5</sub> nanocatalyst calcined at 400 °C (WO<sub>3</sub>/Nb<sub>2</sub>O<sub>5</sub>–4) contains W<sup>5+</sup> species and optimum acid sites, which enhanced glycerol conversion (92.3%) with 95.6% of solketal selectivity at room temperature. The structure stability of the WO<sub>3</sub>/Nb<sub>2</sub>O<sub>5</sub>–4 catalyst during the reaction is showcased by hot-filtration study and XRD/XPS characterization. However, the inadequate regeneration of the Brønsted acid sites led to a gradual decrease in the recyclable activity of the WO<sub>3</sub>/Nb<sub>2</sub>O<sub>5</sub>–4 catalyst.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"186 ","pages":"Article 106827"},"PeriodicalIF":3.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736723002297/pdfft?md5=76c92d116745bf23a9f7ee96987b6738&pid=1-s2.0-S1566736723002297-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139036909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Catalytic oxidation of ethyl acetate over Y (Y = Cu, Mn, Co)-modified CeO2 derived from Ce-MOF 在源自 Ce-MOF 的 Y（Y = Cu、Mn、Co）改性 CeO2 上催化氧化乙酸乙酯
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-01-01 DOI: 10.1016/j.catcom.2023.106832
Lirong Lv , Zhongguo Zhang , Sheng Wang , Yue Shan , Liangliang Wang , Tongzhou Xu , Peiran He
{"title":"Catalytic oxidation of ethyl acetate over Y (Y = Cu, Mn, Co)-modified CeO2 derived from Ce-MOF","authors":"Lirong Lv ,&nbsp;Zhongguo Zhang ,&nbsp;Sheng Wang ,&nbsp;Yue Shan ,&nbsp;Liangliang Wang ,&nbsp;Tongzhou Xu ,&nbsp;Peiran He","doi":"10.1016/j.catcom.2023.106832","DOIUrl":"10.1016/j.catcom.2023.106832","url":null,"abstract":"<div><p>A series of Y<img>Ce catalysts were prepared using Y-loaded (Y = Cu, Co, Mn) Ce-based metal–organic framework as a precursor. Mn-loaded CeO<sub>2</sub> exhibited significantly better catalytic activity in the catalytic oxidation of ethyl acetate (EA) than noble metal catalyst. The relationship between the physicochemical properties of Y<img>Ce catalysts and catalytic activity was studied by different characterization methods. The enhanced catalytic activity was attributed to the strong interaction between the transition metals and Ce, high specific surface area, abundant lattice defects, more oxygen vacacies and higher O<sub>latt</sub>/(O<sub>latt</sub> + O<sub>ads</sub> + O<sub>w</sub>) molar ratios. The main intermediates in the oxidation of EA were ethanol, acetic acid, acetone, acetaldehyde and diethyl ether.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"186 ","pages":"Article 106832"},"PeriodicalIF":3.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736723002340/pdfft?md5=d14596e0bef1f990a4fbc85a34344fb6&pid=1-s2.0-S1566736723002340-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139069963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CoSe2@Co3O4 nanostructures: A promising catalyst for oxygen evolution reaction in alkaline media CoSe2@Co3O4 纳米结构：碱性介质中氧进化反应的理想催化剂
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-01-01 DOI: 10.1016/j.catcom.2023.106830
Abdul Hanan , Muhammad Yameen Solangi , Muhammad Nazim Lakhan , Abdulaziz Alhazaa , Muhammad Ali Shar , Abdul Jaleel Laghari , Imtiaz Ali Soomro , Muhammad Ishaque Abro , Mukesh Kumar , Umair Aftab
{"title":"CoSe2@Co3O4 nanostructures: A promising catalyst for oxygen evolution reaction in alkaline media","authors":"Abdul Hanan ,&nbsp;Muhammad Yameen Solangi ,&nbsp;Muhammad Nazim Lakhan ,&nbsp;Abdulaziz Alhazaa ,&nbsp;Muhammad Ali Shar ,&nbsp;Abdul Jaleel Laghari ,&nbsp;Imtiaz Ali Soomro ,&nbsp;Muhammad Ishaque Abro ,&nbsp;Mukesh Kumar ,&nbsp;Umair Aftab","doi":"10.1016/j.catcom.2023.106830","DOIUrl":"10.1016/j.catcom.2023.106830","url":null,"abstract":"<div><p>Synergistic integration based on some transition-metal (TM) derived compounds is a unique and appealing technique, especially toward oxygen evolution reaction (OER) under alkaline circumstances. Herein, we present a cobalt-selenide (CoSe<sub>2</sub>) and cobalt-oxide (Co<sub>3</sub>O<sub>4</sub>) based composite (CSCO-2) material through a wet chemical method. As-prepared catalyst has been analyzed for various physicochemical characterizations. CSCO-2 offers efficient OER performance in 1.0 M KOH with an overpotential of 252 mV at current density of 20 mA/cm<sup>2</sup>, with a low Tafel slope value of 69 mV/dec. Importantly, as-prepared catalyst shows stability of 48 h for longer electrochemical performance as a potential candidate for OER.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"186 ","pages":"Article 106830"},"PeriodicalIF":3.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736723002327/pdfft?md5=323c77d0512df663c33385fa74ee5026&pid=1-s2.0-S1566736723002327-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139056551","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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