Catalysis Letters最新文献_第5页

Efficient Conversion of Seawater Vapor to Hydrogen Using Cu–Fe/Al2O3 Catalysts Assisted by Non-thermal Plasma 非热等离子体辅助Cu-Fe /Al2O3催化剂高效转化海水水蒸气为氢

IF 2.3 4区化学

Catalysis Letters Pub Date : 2025-08-28 DOI: 10.1007/s10562-025-05152-z

Yuhang Zhong, Hui Xu, Zhiguo Li, Yuqi Zhang, Jianyuan Hou, Yuan Yuan, Xingang Liu, Renxi Zhang

{"title":"Efficient Conversion of Seawater Vapor to Hydrogen Using Cu–Fe/Al2O3 Catalysts Assisted by Non-thermal Plasma","authors":"Yuhang Zhong, Hui Xu, Zhiguo Li, Yuqi Zhang, Jianyuan Hou, Yuan Yuan, Xingang Liu, Renxi Zhang","doi":"10.1007/s10562-025-05152-z","DOIUrl":"10.1007/s10562-025-05152-z","url":null,"abstract":"<div><p>This study demonstrates an innovative approach for green and efficient hydrogen production from seawater, utilizing Cu–Fe/Al<sub>2</sub>O<sub>3</sub> catalysts coupled with a dielectric barrier discharge (DBD) system. The catalytic performance was systematically evaluated under varying voltages and Cu/Fe ratios in a DBD reactor to optimize hydrogen production efficiency. Subsequent investigations focused on humidity and gas flow rate effects using the optimal catalyst (Cu/Fe/Al<sub>2</sub>O<sub>3</sub> = 2:1:9). Multimodal characterization (XRD, XPS, FTIR, OES) combined with DFT calculations revealed the mechanistic role of Cu–Fe/Al<sub>2</sub>O<sub>3</sub> in plasma-driven hydrogen generation. The synergistic interaction between Fe and Cu enhanced hydroxyl/hydrogen radical generation through improved adsorption, thereby boosting hydrogen evolution efficiency and yield. The optimized system achieved a maximum hydrogen yield of 7.4 g/kWh at 3 kV operating voltage, 3 L/min argon flow, and 100% relative humidity, establishing an energy-efficient pathway for sustainable hydrogen production from seawater.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":508,"journal":{"name":"Catalysis Letters","volume":"155 9","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144914543","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Crystal-Phase-Dependent Catalytic Performance of FeOOH in Aminocarbonylation with CO2 FeOOH晶体相依赖性催化CO2氨基羰基化的性能

IF 2.3 4区化学

Catalysis Letters Pub Date : 2025-08-28 DOI: 10.1007/s10562-025-05157-8

Dalei Sun, Ying Huang, Hongyu Li, Guoliang Lu

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The Effect of Promoters Added on Ni Supported on Cerium–Zirconia on CO2 Activation and CO Selectivity of the RWGS Reaction 铈锆负载镍上添加促进剂对RWGS反应CO2活化和CO选择性的影响

IF 2.3 4区化学

Catalysis Letters Pub Date : 2025-08-23 DOI: 10.1007/s10562-025-05154-x

Camila Emilia Kozonoe, Wallisson Senna Gomes Silva, Martin Schmal

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Correction: Penta-SiAsP Monolayer: A Highly Stable Pentagonal Ternary Material with Photocatalytic Potential for Overall Water Splitting 更正：Penta-SiAsP单层：一种高度稳定的五边形三元材料，具有光催化整体水分解的潜力

IF 2.3 4区化学

Catalysis Letters Pub Date : 2025-08-22 DOI: 10.1007/s10562-025-05153-y

Chenghao Yang, Yanqing Shen, Kexin Wang, Xiangqian Jiang, Long Pang, Peng E, Zhongxiang Zhou

引用次数: 0

CuO/g-C3N4 Photocatalytic Synergistic Persulfate Activation for Degradation of Phenol Wastewater CuO/g-C3N4光催化协同过硫酸盐活化降解含酚废水

IF 2.3 4区化学

Catalysis Letters Pub Date : 2025-08-22 DOI: 10.1007/s10562-025-05141-2

Yanchen Shang, Lei Chao, Fang Sun, Shiyuan Chen

{"title":"CuO/g-C3N4 Photocatalytic Synergistic Persulfate Activation for Degradation of Phenol Wastewater","authors":"Yanchen Shang, Lei Chao, Fang Sun, Shiyuan Chen","doi":"10.1007/s10562-025-05141-2","DOIUrl":"10.1007/s10562-025-05141-2","url":null,"abstract":"<div><p>A CuO/g-C<sub>3</sub>N<sub>4</sub> composite catalyst was synthesized via a one-step hydrothermal-calcination method. The load of CuO on g-C<sub>3</sub>N<sub>4</sub> was confirmed by characterization methods, while maintaining the inherent structure of the g-C<sub>3</sub>N<sub>4</sub> matrix. Comprehensive characterization using SEM, XRD, FT-IR, and XPS confirmed the successful deposition of CuO on g-C<sub>3</sub>N<sub>4</sub> while preserving the intrinsic structure of the g-C<sub>3</sub>N<sub>4</sub> matrix. The photocatalytic performance was evaluated through phenol degradation in a peroxydisulfate assisted system under visible light irradiation. The composite exhibited remarkable catalytic activity, achieving 83.52% phenol removal efficiency within the reaction period. Notably, the catalyst maintained 68.89% degradation efficiency after five consecutive cycles, demonstrating excellent recyclability. Mechanistic studies through radical quenching experiments and XPS analyses revealed that the degradation process predominantly follows a radical pathway, where photogenerated holes and sulfate radicals play pivotal roles.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":508,"journal":{"name":"Catalysis Letters","volume":"155 9","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144891504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Insights into Coordinatively Unsaturated Aluminum Anchoring Pt Catalyst for Toluene Oxidation 对甲苯氧化的配位不饱和铝锚定Pt催化剂的见解

IF 2.3 4区化学

Catalysis Letters Pub Date : 2025-08-21 DOI: 10.1007/s10562-025-05135-0

Tao Wang, Shuangde Li, Yunfa Chen

{"title":"Insights into Coordinatively Unsaturated Aluminum Anchoring Pt Catalyst for Toluene Oxidation","authors":"Tao Wang, Shuangde Li, Yunfa Chen","doi":"10.1007/s10562-025-05135-0","DOIUrl":"10.1007/s10562-025-05135-0","url":null,"abstract":"<div><p>The thermal stability of Pt particles is crucial for volatile organic compounds (VOCs) catalytic oxidation. Herein, a coordinated unsaturated aluminum (CUA) with abundant pentacoordinate Al<sup>3+</sup> sites (Al<sup>3 +</sup> <sub>penta</sub>) stabilizing platinum catalyst was synthesized by the solution combustion method followed the incipient wetness impregnation method for VOCs degradation. The Pt particles exhibited well dispersion after 800 °C calcination, comparied with Pt loaded on commercial γ-Al<sub>2</sub>O<sub>3</sub>, detectd by SEM and TEM. The heat-resistant sintering was related to the anchoring of Pt by Al<sup>3 +</sup> <sub>penta</sub> proved by <sup>27</sup>Al NMR. The turnover frequency (TOF) of Pt/CUA for toluene oxidation was as high as 2.58 h<sup>-1</sup> under 60,000 ml<sup>-1</sup> g<sup>-1</sup> h<sup>-1</sup> and 5% water steam, which is about 2 times higher than that of Pt/γ-Al<sub>2</sub>O<sub>3</sub>. Furthermore, after 800 °C calcination, the TOF of Pt/CUA-800 was increased to 4.57 h<sup>-1</sup> in comparison with 0.4 h<sup>-1</sup> for Pt/γ-Al<sub>2</sub>O<sub>3</sub>-800. The excellent catalytic performance was maybe due to the Pt dispersion, low temperature reducibility and high surface chemsorbed oxygen species characterized by pulsed CO chemisorption, H<sub>2</sub>-TPR and XPS. Anchorage effect of Al<sup>3 +</sup> <sub>penta</sub> on Pt metal was shown to be an effective strategy for the enhancement of VOCs composition.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":508,"journal":{"name":"Catalysis Letters","volume":"155 9","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144888000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Synergetic Mechanism and Enhanced Catalytic Performance of Dimethyl Oxalate Hydrogenation to Ethanol Over Ag–Co Bifunctional Catalyst Ag-Co双功能催化剂上草酸二甲酯加氢制乙醇的协同机理及增强催化性能

IF 2.3 4区化学

Catalysis Letters Pub Date : 2025-08-20 DOI: 10.1007/s10562-025-05149-8

Jiyang Wei, Yihua Wang, Fei Li, Mingling Sun, Yishu Zhang, Runping Ye, Haoyi Tong, Ling Lin, Yuangen Yao

{"title":"Synergetic Mechanism and Enhanced Catalytic Performance of Dimethyl Oxalate Hydrogenation to Ethanol Over Ag–Co Bifunctional Catalyst","authors":"Jiyang Wei, Yihua Wang, Fei Li, Mingling Sun, Yishu Zhang, Runping Ye, Haoyi Tong, Ling Lin, Yuangen Yao","doi":"10.1007/s10562-025-05149-8","DOIUrl":"10.1007/s10562-025-05149-8","url":null,"abstract":"<div><p>In this work, a series of Ag<sub>x</sub>–Co/SiO<sub>2</sub> catalysts for the hydrogenation of dimethyl oxalate (DMO) to ethanol (EtOH) or ethylene glycol (EG) were obtained by introducing Ag species into cobalt phyllosilicate (CoPS) layers. The synergetic mechanisms of Ag and Co species have been investigated in depth by a series of characterisation methods. The enhanced interaction between Ag and Co species facilitated the activation of Ag and Co species and the diffusion of hydrogen stored in Co to the Ag surface. This promotes the adsorption and dissociation of the H<sub>2</sub> and C=O bond and could facilitate the dissociation of the C–OH bond of EG. Thus, the hydrogenation of DMO to EtOH could be performed at a mild temperature over this novel Ag-Co bifunctional catalyst. Furthermore, the optimised Ag<sub>0.18</sub>–Co/SiO<sub>2</sub> catalyst could switch the product selectivity from EG to EtOH as the reaction temperature increased, such as the selectivity of EG or EtOH would approach about 90% at 200 °C and 240 °C, respectively, as the weight hourly space velocity was 0.45 h<sup>−1</sup>. This work would help to design efficient and stable ester hydrogenation catalysts.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":508,"journal":{"name":"Catalysis Letters","volume":"155 9","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144869134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Selective Upgrading of Biomass-Derived Carbonyl Compounds by Nickel-Base Catalyst in Isopropanol 镍基催化剂在异丙醇中选择性升级生物质衍生羰基化合物

IF 2.3 4区化学

Catalysis Letters Pub Date : 2025-08-18 DOI: 10.1007/s10562-025-05144-z

Zhou-Xin Peng, Yu-chen Wu, Shi-Yun Xiao, Hua-Lan Zhou, Sheng-Kang Wang, Xue-Song Wang

{"title":"Selective Upgrading of Biomass-Derived Carbonyl Compounds by Nickel-Base Catalyst in Isopropanol","authors":"Zhou-Xin Peng, Yu-chen Wu, Shi-Yun Xiao, Hua-Lan Zhou, Sheng-Kang Wang, Xue-Song Wang","doi":"10.1007/s10562-025-05144-z","DOIUrl":"10.1007/s10562-025-05144-z","url":null,"abstract":"<div><p>\u0000 Low-cost nickel catalyst (Ni@C/C) derived from a metal organic framework (MOF) was synthetized for the hydrodeoxygenation (HDO) of biomass-derived vanillin. Unlike expensive noble-metal catalysts, Ni@C/C achieves full conversion of vanillin to 2-methoxy-4-methylphenol (MMP)—a key biofuel precursor—under mild conditions (180 °C, 2 MPa H₂). Ni@C/C exhibited excellent catalytic activity for the HDO of vanillin in isopropanol. Moreover, the main product of vanillyl alcohol (VA) under N<sub>2</sub> was 4-(isopropoxymethyl)-2-methoxyphenol (iPMP). The possible mechanism of vanillin by using Ni@C/C catalyst was that Vanillin was hydrogenated to generate VA, and VA was hydrogenated on Ni@C/C to generate MMP by two HDO paths: (1) VA was directly HDO to generate MMP; (2) VA was hydrogenated with isopropanol to generate iPMP by dehydration, then iPMP was hydrogenated to produce MMP. The Ni-based catalyst is relatively cheap and the preparation method is facile, green, and easy to scale up, thus achieving a low-cost transformation of biomass to bio-oils and chemicals.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":508,"journal":{"name":"Catalysis Letters","volume":"155 9","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144861406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Preparation of Mn0.8Cd0.2S Nanoparticles and their Photocatalytic Behavior for Degradation of Tetracycline in Water 纳米Mn0.8Cd0.2S的制备及其光催化降解水中四环素的性能

IF 2.3 4区化学

Catalysis Letters Pub Date : 2025-08-18 DOI: 10.1007/s10562-025-05148-9

Zhihui Song, Lixia Qin, Taiyang Zhang, Xiangqing Li, Shi-Zhao Kang

{"title":"Preparation of Mn0.8Cd0.2S Nanoparticles and their Photocatalytic Behavior for Degradation of Tetracycline in Water","authors":"Zhihui Song, Lixia Qin, Taiyang Zhang, Xiangqing Li, Shi-Zhao Kang","doi":"10.1007/s10562-025-05148-9","DOIUrl":"10.1007/s10562-025-05148-9","url":null,"abstract":"<div><p>Antibiotics in water pose a significant threat to human health and the environment. A promising solution to this issue is the utilization of photocatalysis, which can efficiently and environmentally make antibiotics convert into harmless substances. Hence, the development of an effective photocatalyst is crucial. In this study, Mn<sub>0.8</sub>Cd<sub>0.2</sub>S nanoparticles were prepared via a solvothermal process and subsequently evaluated for their photocatalytic performance in the degradation of tetracycline in water. The results demonstrated that Mn<sub>0.8</sub>Cd<sub>0.2</sub>S nanoparticles exhibit exceptional photocatalytic activity. Under irradiation for 120 min, tetracycline (5 × 10<sup>−5</sup> mol L<sup>−1</sup>) can be completely degraded, ultimately converting into CO<sub>2</sub> and H<sub>2</sub>O. Mechanistic investigations revealed that the primary reactive species involved in the degradation process are holes and superoxide radicals, with the latter playing a dominant role. Furthermore, the Mn<sub>0.8</sub>Cd<sub>0.2</sub>S nanoparticles demonstrated excellent salt tolerance and maintained considerable photocatalytic efficiency even at extremely low concentrations of tetracycline. Remarkably, when the tetracycline concentration was as low as 1 × 10<sup>−7</sup> mol L<sup>−1</sup>, a complete degradation (100%) was still achieved after 240 min of irradiation. These findings highlight the potential of Mn<sub>0.8</sub>Cd<sub>0.2</sub>S nanoparticles as a highly efficient photocatalyst for the removal of antibiotic contaminants from drinking water.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":508,"journal":{"name":"Catalysis Letters","volume":"155 9","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144861433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Facile Synthesis of Fe2O3/Pt/TiO2 Nanowire Arrays Composite for Photo-Fenton-Like Degradation of Antibiotics Norfloxacin Fe2O3/Pt/TiO2纳米线阵列复合材料光fenton降解抗生素诺氟沙星的快速合成

IF 2.3 4区化学

Catalysis Letters Pub Date : 2025-08-18 DOI: 10.1007/s10562-025-05142-1

Van Manh Nguyen, Thuy Trang Dang, Thi Mai Huong Pham, Xuan Huy Nguyen, The Huu Nguyen

{"title":"Facile Synthesis of Fe2O3/Pt/TiO2 Nanowire Arrays Composite for Photo-Fenton-Like Degradation of Antibiotics Norfloxacin","authors":"Van Manh Nguyen, Thuy Trang Dang, Thi Mai Huong Pham, Xuan Huy Nguyen, The Huu Nguyen","doi":"10.1007/s10562-025-05142-1","DOIUrl":"10.1007/s10562-025-05142-1","url":null,"abstract":"<div><p>In this study, Fe<sub>2</sub>O<sub>3</sub> and Pt nanoparticles (NPs) were successfully co-decorated onto TiO<sub>2</sub> nanowire arrays (NWs) to construct Fe<sub>2</sub>O<sub>3</sub>/Pt/TiO<sub>2</sub> NW composites with photo-Fenton-like cascade catalytic activity, using a combination of the sol–gel and light irradiation methods. A highly uniform anatase structure was obtained, with the average diameter of the NWs ranging from 20 to 70 nm. The optical properties of the composites were significantly altered by the co-decoration with Pt and Fe<sub>2</sub>O<sub>3</sub> NPs, as evidenced by a slight shift in bandgap energy from 3.33 to 3.21 eV compared to pristine TiO<sub>2</sub> NWs. The photocatalytic activity was investigated by examining the decomposition of norfloxacin (NOR) antibiotic under light irradiation. A photodegradation efficiency of 87.92% was achieved at 10 ml L<sup>−1</sup> H<sub>2</sub>O<sub>2</sub> dosage after 120 min, representing a 1.69-fold improvement over pristine TiO<sub>2</sub> NWs. This enhancement was attributed to the improved generation and separation of photo-induced charge carriers, suppressed electron–hole recombination, extended light absorption into the visible range, and the contribution of the Fe<sub>2</sub>O<sub>3</sub>-induced photo-Fenton-like cascade process. The formation of heterojunctions among the components was also believed to facilitate more efficient charge transfer. The Fe<sub>2</sub>O<sub>3</sub>/Pt/TiO<sub>2</sub> NW composites are considered promising photocatalysts for environmental remediation, particularly for the solar-driven removal of persistent pharmaceutical contaminants.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":508,"journal":{"name":"Catalysis Letters","volume":"155 9","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144861407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0