De Chen , Nianqi Zhang , Qiuju Liang , Wei Deng , Zhiyi Xiao , Wanrong Dong , Jiannan Xiang
{"title":"Silver-catalyzed oxidative alkylation/alkynylation of 1,4-enynyl-3-ols with alkylbromides through radical 1,2-alkynyl migration","authors":"De Chen , Nianqi Zhang , Qiuju Liang , Wei Deng , Zhiyi Xiao , Wanrong Dong , Jiannan Xiang","doi":"10.1016/j.catcom.2023.106824","DOIUrl":"10.1016/j.catcom.2023.106824","url":null,"abstract":"<div><p>In this study, we have described a novel reaction between 1,4-enynyl-3-ols and alkyl bromides. The reaction was carried out in the presence of Ag<sub>2</sub>O, following a free radical 1,2-alkynyl migration pathway, which was confirmed through control experiments. This methodology offers several advantages, including high efficiency and a wide range of applicable substrates.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"186 ","pages":"Article 106824"},"PeriodicalIF":3.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736723002261/pdfft?md5=167e7d89473d2a9f65c834145b0c0e61&pid=1-s2.0-S1566736723002261-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138690568","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}
Tiesen Li , Boshi Wang , Pei Xu , Ying Wang , Chan Wang , Qingyan Cui , Yuanyuan Yue
{"title":"Hydrodepolymerization of lignin with Ni supported on active carbon catalysts reduced at different temperatures","authors":"Tiesen Li , Boshi Wang , Pei Xu , Ying Wang , Chan Wang , Qingyan Cui , Yuanyuan Yue","doi":"10.1016/j.catcom.2023.106826","DOIUrl":"10.1016/j.catcom.2023.106826","url":null,"abstract":"<div><p>Various Ni supported on active carbon (Ni/AC) catalysts were acquired by reduced at different temperatures, among which Ni/AC-500 possesses the smallest particle sizes of metallic Ni species, favoring to more active sites exposed on the catalyst surface, and the suitable content of metallic Ni<sup>0</sup>, implying the high hydrogenolysis activity obtained. Additionally, the highest mesoporous volume of Ni/AC-500 promotes the diffusion of large molecules from lignin depolymerization. Therefore, Ni/AC-500 exhibits the higher lignin conversion and yields of liquid bio-oil and monomers, but the lower yield of bio-char in lignin hydrodepolymerization due to its higher hydrogenolysis activity compared with other catalysts.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"186 ","pages":"Article 106826"},"PeriodicalIF":3.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736723002285/pdfft?md5=d8d04ae330c6c4a5f1fe0c096d322940&pid=1-s2.0-S1566736723002285-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138992890","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}
Shiya Bian , Xuekun Jin , Jinxing Mi , Fengjuan Chen , Li Cai , Ziyu Wang , Junhua Li , Jianjun Chen
{"title":"Synergistic effects of interface and valence state on boosting electrochemical CO2 reduction activity of La2CuO4","authors":"Shiya Bian , Xuekun Jin , Jinxing Mi , Fengjuan Chen , Li Cai , Ziyu Wang , Junhua Li , Jianjun Chen","doi":"10.1016/j.catcom.2023.106836","DOIUrl":"10.1016/j.catcom.2023.106836","url":null,"abstract":"<div><p>The electrochemical CO<sub>2</sub> reduction reaction (CER) to methane (CH<sub>4</sub>) has received great attention. Here, we proposed an efficient method to facilitate the conversion of CO<sub>2</sub>-to-CH<sub>4</sub> by creating a two-phase interface over urea-modified La<sub>2</sub>CuO<sub>4</sub> catalyst. The most optimized one exhibits the highest selectivity (22%) for CH<sub>4</sub> and the best activity (14 mA cm<sup>−2</sup>) and stability (5 h) at the potential of −1 V vs. reversible hydrogen electrode. The enhanced CER performance can be attributed to the establishment of interfacial effect within the two-phase, which facilitates the reduction of Cu<sup>2+</sup> and promotes the active sites concentration.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"186 ","pages":"Article 106836"},"PeriodicalIF":3.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736723002388/pdfft?md5=0245bb82492879619e02ebbfe7f45235&pid=1-s2.0-S1566736723002388-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139079899","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}
{"title":"MoOy-Pt(CuNi)x heterojunction nanostructured catalyst for promoting the oxygen reduction reaction activity property","authors":"Dezhen Wu , Li Qin Zhou , Xiaochen Shen , Hongfei Jia , Zhenmeng Peng","doi":"10.1016/j.catcom.2023.106835","DOIUrl":"10.1016/j.catcom.2023.106835","url":null,"abstract":"<div><p>The catalyst intrinsic area-specific activity for the oxygen reduction reaction (ORR) was constrained by the scaling relations governing the adsorption of reaction intermediates. In this study, we strategically modified the electronic band structures of Pt(CuNi)<sub>x</sub> alloy nanoparticles by varying their composition, resulting in a specific activity trend resembling a volcano shape. The introduction of MoO<sub>y</sub> shattered the existing scaling relations, leading to a significant enhancement in ORR activity of Pt alloys, surpassing the activity of Pt(CuNi)<sub>x</sub> catalysts. These findings proved the effectiveness of MoO<sub>y</sub> deposition on Pt(CuNi)<sub>x</sub> in disrupting the scaling relations, ultimately improving ORR activity.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"186 ","pages":"Article 106835"},"PeriodicalIF":3.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736723002376/pdfft?md5=249310ef559ae8e3c972f9a3e300e95b&pid=1-s2.0-S1566736723002376-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139056580","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}
Denis A. Kolykhalov , Anastasia N. Golysheva , Bogdan Ya. Karlinskii
{"title":"Efficient tunable approach for 5-(hydroxymethyl)furfural and 2,5-diformylfuran production from fructose in DMSO with bromide catalysis","authors":"Denis A. Kolykhalov , Anastasia N. Golysheva , Bogdan Ya. Karlinskii","doi":"10.1016/j.catcom.2023.106831","DOIUrl":"10.1016/j.catcom.2023.106831","url":null,"abstract":"<div><p>This work describes a simple method for the preparation of 5-hydroxymethylfurfural (HMF) by dehydrating fructose in DMSO, either with the use of an affordable catalyst or in a catalyst-free manner. This process can be accompanied, under harsh conditions, by the bromide-catalyzed Kornblum oxidation of the hydroxyl group by the solvent, resulting in the formation of 2,5-diformylfuran (DFF). The optimized techniques presented in this study can serve as a foundation for the production of valuable biobased furanic platform chemicals from renewable sources in any laboratory, stimulating the development of sustainable chemistry and research in related fields worldwide.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"186 ","pages":"Article 106831"},"PeriodicalIF":3.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736723002339/pdfft?md5=02af86b3b5f8bd304582cec9f74a5a25&pid=1-s2.0-S1566736723002339-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139095507","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}
{"title":"Welcome from the new Editor-in-Chief","authors":"Jorge Bedia","doi":"10.1016/j.catcom.2023.106823","DOIUrl":"10.1016/j.catcom.2023.106823","url":null,"abstract":"","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"186 ","pages":"Article 106823"},"PeriodicalIF":3.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S156673672300225X/pdfft?md5=55cf29542f5f6f09c00bc30a16f6b6aa&pid=1-s2.0-S156673672300225X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138690642","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}
Zexu Bai , Zuobo Yang , Jimmy Yun , Xin Liang , Jie Zhang
{"title":"OER activate NixCo(1-x) NPs to NixCo(1-x)(OH)2 on cobalt foam with excellent supercapacitors performance","authors":"Zexu Bai , Zuobo Yang , Jimmy Yun , Xin Liang , Jie Zhang","doi":"10.1016/j.catcom.2023.106829","DOIUrl":"10.1016/j.catcom.2023.106829","url":null,"abstract":"<div><p>5-6 nm hydrophilic Ni<sub>x</sub>Co<sub>(1-x)</sub> NPs was synthesized by a cost-effective and scalable method and was coated onto conductive substrates without any binders or additives thanks to its small particle effect and possiblely magnetic effects. Then, the Ni<sub>x</sub>Co<sub>(1-x)</sub> NPs can be transformed into Ni<sub>x</sub>Co<sub>(1-x)</sub>(OH)<sub>2</sub> by an OER-activating strategy. Optimized by the composition effect, the Ni<sub>0.8</sub>Co<sub>0.2</sub>/CF exhibits best activity for supercapacitors (2124F/g). Underling mechanism of the OER evolution process well studied by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Raman spectrometry, X-ray absorption near-edge spectra (XANES). Density functional theory (DFT) calculations was performed and verify the synergistic effect of nickel and cobalt and the support effect.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"186 ","pages":"Article 106829"},"PeriodicalIF":3.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736723002315/pdfft?md5=c808834a416e71b8651920e651ce3ec2&pid=1-s2.0-S1566736723002315-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139056549","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}
Saeed Sajjadi , Akrity Anand , Ana M. Beltrán , Dana Dvoranová , Aldo R. Boccaccini , Dagmar Galusková , David Jaška , Róbert Klement
{"title":"Investigation of catalytic activation of peroxydisulfate on cu-doped mesoporous silica-based particles (Cu-BMS) for efficient degradation of methylene blue","authors":"Saeed Sajjadi , Akrity Anand , Ana M. Beltrán , Dana Dvoranová , Aldo R. Boccaccini , Dagmar Galusková , David Jaška , Róbert Klement","doi":"10.1016/j.catcom.2023.106833","DOIUrl":"10.1016/j.catcom.2023.106833","url":null,"abstract":"<div><p>The Cu-doped mesoporous silica-based particles (Cu-BMS) were prepared using an evaporation-induced self-assembly sol-gel procedure as a heterogeneous catalyst for the activation of peroxydisulfate (PDS). The formation of well-organized mesoporous structures with amorphous nature and high surface area of 286 m<sup>2</sup>/g was demonstrated. The catalytic activity of Cu-BMS in the degradation of Methylene Blue (MB) and the effects of operating parameters, including Cu-BMS dosage, initial PDS amount, initial MB concentration, temperature and initial pH, were investigated in details. The Cu-BMS demonstrated a remarkable catalytic activity (93.5% degradation efficiency within 60 min) and good stability.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"186 ","pages":"Article 106833"},"PeriodicalIF":3.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736723002352/pdfft?md5=e3ea7b0fe88c890fbc62a93fae6e118a&pid=1-s2.0-S1566736723002352-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139069636","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}
Zhenbang Xie , Qihang Liu , Haixin Zhao , Hongtai Chen , Guozhi Jia , E. Lei , Chao Wang , Yongzhu Zhou
{"title":"Efficient hydrogen evolution from g-C3N4 under visible light by in situ loading Ag2Se nanoparticles as co-catalysts","authors":"Zhenbang Xie , Qihang Liu , Haixin Zhao , Hongtai Chen , Guozhi Jia , E. Lei , Chao Wang , Yongzhu Zhou","doi":"10.1016/j.catcom.2023.106837","DOIUrl":"10.1016/j.catcom.2023.106837","url":null,"abstract":"<div><p>The low charge separation and transfer of g-C<sub>3</sub>N<sub>4</sub> hinders its industrial application in photocatalytic hydrogen evolution. Here, we design a novel co-catalyst strategy to integrate Ag<sub>2</sub>Se nanoparticles in situ on the surface of g-C<sub>3</sub>N<sub>4</sub>. The optimized photocatalyst, 15% Ag<sub>2</sub>Se/g-C<sub>3</sub>N<sub>4</sub>, demonstrates remarkable photocatalytic efficiency in the hydrogen evolution rate, reaching to 1102.8 μmol·g<sup>−1</sup>·h<sup>−1</sup>, 7 times higher than g-C<sub>3</sub>N<sub>4</sub>. To further elucidate the photocatalytic activity of 15% Ag<sub>2</sub>Se/g-C<sub>3</sub>N<sub>4</sub>, we present a possible mechanism based on various characterizations and density functional theory calculations. This research offers potential insights for the future development of silver chalcogenide composites in photocatalysis.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"186 ","pages":"Article 106837"},"PeriodicalIF":3.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S156673672300239X/pdfft?md5=0024ec063bc7afbe3577f1a1973a56fe&pid=1-s2.0-S156673672300239X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139069749","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}
{"title":"Vanadium pentoxide gas sensors: An overview of elemental doping strategies and their effect on sensing performance","authors":"P. Kiran , Priya Jasrotia , Arunima Verma , Arun Kumar , Jehova Jire L. Hmar , Jyoti , Tanuj Kumar","doi":"10.1016/j.catcom.2023.106838","DOIUrl":"10.1016/j.catcom.2023.106838","url":null,"abstract":"<div><p>The manuscript covers Vanadium Pentoxide Gas Sensors: Elemental Doping Strategies and Sensing Performance Impact. In this paper, we discuss elemental doping ways to improve gas sensing performance in V<sub>2</sub>O<sub>5</sub> sensors. The sensing characteristics of V<sub>2</sub>O<sub>5</sub> are influenced by dopants such as transition metals, rare earth elements, and non-metals. We investigate the processes behind doping-induced enhancements in sensitivity, selectivity, response time, and stability. Additionally, we explore elemental doping issues and constraints, such as precise process control, crystal structural alterations, and dopant concentration implications on sensing characteristics. This study demonstrates the possibility of elemental doping for modifying gas detecting capabilities in V<sub>2</sub>O<sub>5</sub> sensors for various applications.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106838"},"PeriodicalIF":3.7,"publicationDate":"2023-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736723002406/pdfft?md5=01ce477bfdc24bf5b9fb617e991f56c4&pid=1-s2.0-S1566736723002406-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139069637","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}