Applied Catalysis A: General最新文献_第10页

Green synthesis of furan di-Schiff bases via a one-pot tandem amination-oxidation-amination process under room temperature 室温一锅串联胺化-氧化-胺化工艺绿色合成呋喃二希夫碱

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-03-06 DOI: 10.1016/j.apcata.2025.120207

Xing-Long Li , Shao-Jun Qing , Xun Sun , Zhen Yu , Rui Zhu

{"title":"Green synthesis of furan di-Schiff bases via a one-pot tandem amination-oxidation-amination process under room temperature","authors":"Xing-Long Li , Shao-Jun Qing , Xun Sun , Zhen Yu , Rui Zhu","doi":"10.1016/j.apcata.2025.120207","DOIUrl":"10.1016/j.apcata.2025.120207","url":null,"abstract":"<div><div>Furan-based double Schiff bases (DRIF), multifunctional molecules derived from biomass, were possessed significant application potential in various fields including sensors, stabilizers, dyes, and pharmaceuticals. The synthesis of DRIF typically involves a series of steps: amination, oxidation, and subsequent amination. However, this process could encounter side reactions such as overoxidation, aldol condensation, and cross-oligomerization. Herein, an efficient TEMPOL/Cu(NO<sub>3</sub>)<sub>2</sub> catalytic system for one-pot process with 5-HMF and n-butylamine as model reactant to produce 2,5-di(butyliminomethyl)furan (DBIF) at room-temperature was developed. Characterization techniques including FT-IR, ESI-MS, GC-MS, and <sup>1</sup>H NMR were employed to identify key intermediates and reaction mechanisms. The maximum DBIF yield of 97 % was attained. Furthermore, the study extended the amine oxidation amination reactions using HMF and furfural with various primary amines, demonstrating good substrate compatibility. Ultimately, a one-pot two-step method was successfully employed to obtain a total yield of 63 % DBIF from fructose, further highlighting the application potential of this catalytic system.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"697 ","pages":"Article 120207"},"PeriodicalIF":4.7,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143577973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Promotion effect of Al species on silica-supported cesium oxide catalyst in the vapor-phase dehydration of 1,2-propanediol to propylene oxide 在1,2-丙二醇气相脱水制环氧丙烷过程中，Al对二氧化硅负载型氧化铯催化剂的促进作用

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-03-06 DOI: 10.1016/j.apcata.2025.120208

Masafumi Morooka , Enggah Kurniawan , Junji Okamura , Yusei Nagamura , Takayoshi Hara , Takashi Kojima , Yasuhiro Yamada , Satoshi Sato

{"title":"Promotion effect of Al species on silica-supported cesium oxide catalyst in the vapor-phase dehydration of 1,2-propanediol to propylene oxide","authors":"Masafumi Morooka , Enggah Kurniawan , Junji Okamura , Yusei Nagamura , Takayoshi Hara , Takashi Kojima , Yasuhiro Yamada , Satoshi Sato","doi":"10.1016/j.apcata.2025.120208","DOIUrl":"10.1016/j.apcata.2025.120208","url":null,"abstract":"<div><div>The introduction of Al into SiO<sub>2</sub>-supported cesium oxide (Cs/SiO<sub>2</sub>) promoted catalytic activity for the dehydration of 1,2-propanediol (1,2-PDO) to propylene oxide (PO). This improvement was attributed to the promotion of CsNO<sub>3</sub> decomposition and the ability of Al to keep the morphology of the SiO<sub>2</sub>-supported catalyst, even though the Al component slightly reduced the concentration of the base site. The optimum molar component of Al was proven to improve the activity of Cs/SiO<sub>2</sub> catalyst, while maintaining a low rate of side reactions, such as isomerization of PO to allyl alcohol and dehydration of 1,2-PDO to propanal. Several parameters, such as reaction temperature, contact time, Cs<sub>8</sub>Al<sub>2</sub> content, and Al molar component influenced catalytic activity and product distributions. The poisoning experiment by use of CO<sub>2</sub> revealed the importance of the base sites of Cs<sub>8</sub>Al<sub>2</sub>/SiO<sub>2</sub> catalyst, while the role of acid sites was negligible as confirmed by the poisoning experiment with NH<sub>3</sub>.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"697 ","pages":"Article 120208"},"PeriodicalIF":4.7,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143611230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Use of a 416B-type central-hybrid experimental design to evaluate the synthesis conditions of TiO2/biochar composites on the solid-state photocatalytic degradation of polypropylene-plastic films 采用416b型中心杂化实验设计，评价TiO2/生物炭复合材料对聚丙烯塑料薄膜的固态光催化降解的合成条件

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-03-06 DOI: 10.1016/j.apcata.2025.120196

Deyler Castilla-Caballero , Astrid Medina-Guerrero , Aracely Hernandez-Ramirez , Sofia Vazquez-Rodriguez , José Colina-Márquez , Fiderman Machuca Martínez , Juan Barraza-Burgos , Aicardo Roa-Espinosa , Sundaram Gunasekaran

{"title":"Use of a 416B-type central-hybrid experimental design to evaluate the synthesis conditions of TiO2/biochar composites on the solid-state photocatalytic degradation of polypropylene-plastic films","authors":"Deyler Castilla-Caballero , Astrid Medina-Guerrero , Aracely Hernandez-Ramirez , Sofia Vazquez-Rodriguez , José Colina-Márquez , Fiderman Machuca Martínez , Juan Barraza-Burgos , Aicardo Roa-Espinosa , Sundaram Gunasekaran","doi":"10.1016/j.apcata.2025.120196","DOIUrl":"10.1016/j.apcata.2025.120196","url":null,"abstract":"<div><div>This study presents an innovative application of solid-state photocatalysis using environmentally friendly TiO<sub>2</sub>/biochar composites to degrade polypropylene (PP) films and reduce plastic pollution. Biochar, derived from coconut shells via controlled pyrolysis, was combined with TiO<sub>2</sub> to enhance photocatalytic activity. A 416B-type Central-Hybrid Experimental Design was used to optimize synthesis parameters, revealing that biochar produced at 280°C with 4.1 % v/v oxygen and a TiO<sub>2</sub>/biochar weight ratio of 1.5 yields the best results. After 25 days of UV irradiation, films incorporated with TiO<sub>2</sub>/biochar composites exhibited an 8.7 % weight loss and a carbonyl index of 11.4—significantly surpassing pristine PP films. These findings demonstrate the potential of biochar as a sustainable solution to reduce nanotoxicity while boosting polymer degradation efficiency. This work contributes to the development of eco-friendly materials for mitigating plastic waste challenges.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"697 ","pages":"Article 120196"},"PeriodicalIF":4.7,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143578048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Oxygen plasma synthesis of Pd/GO with enhanced co-adsorption ability of 4-nitrophenol and NaBH4 for boosting 4-nitrophenol reduction activity 氧等离子体合成Pd/GO，增强4-硝基苯酚和NaBH4的共吸附能力，提高4-硝基苯酚还原活性

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-03-05 DOI: 10.1016/j.apcata.2025.120203

Lingyu Zhao , Xiaonan Du , Fei Gao , Yue Hua , Hong Li , Xiuling Zhang , Lanbo Di

{"title":"Oxygen plasma synthesis of Pd/GO with enhanced co-adsorption ability of 4-nitrophenol and NaBH4 for boosting 4-nitrophenol reduction activity","authors":"Lingyu Zhao , Xiaonan Du , Fei Gao , Yue Hua , Hong Li , Xiuling Zhang , Lanbo Di","doi":"10.1016/j.apcata.2025.120203","DOIUrl":"10.1016/j.apcata.2025.120203","url":null,"abstract":"<div><div>Herein, oxygen plasma was adopted to prepare graphite oxide (GO) supported Pd catalyst (Pd/GO-O<sub>2</sub>P) with abundant oxygen-containing functional groups (OCGs) and defects on the support, and small-sized Pd nanoparticles. These enhanced the co-adsorption of the 4-nitrophenolate anions and BH<sub>4</sub><sup>-</sup> on the Pd/GO-O<sub>2</sub>P catalyst, and promoted the generation of H*ads (adsorbed hydrogen on the catalyst surface) and H*abs (absorbed hydrogen in the catalyst lattices), which greatly accelerated the reaction rate from 4-NP to 4-AP. The rate constant <em>k</em> of Pd/GO-O<sub>2</sub>P for 4-NP reduction is up to 3.47 min<sup>−1</sup>, which is 15.8 and 347 times that of commercial Pd/C (Sigma-Aldrich) and thermal reduction-prepared Pd/rGO-H<sub>2</sub>C, respectively. After seven reaction cycles, the <em>k</em> value of Pd/GO-O<sub>2</sub>P was still as high as 72.6 % of the initial value. Oxygen plasma can realize simple, fast and green preparation of high-performance 4-NP reduction catalysts, which has important reference significance for accurate design, preparation, and application of metal catalysts.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"696 ","pages":"Article 120203"},"PeriodicalIF":4.7,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143563064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Bifunctional mechanism for low-temperature Methanol-SCR on H-FER zeolite doped by trace amount of cobalt 低温甲醇- scr在微量钴掺杂H-FER沸石上的双功能机理

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-03-04 DOI: 10.1016/j.apcata.2025.120201

Dekai Liu , Han Sun , Ziying Hong , Chenxi He , Takashi Toyao , Masaya Matsuoka , Haijun Chen

{"title":"Bifunctional mechanism for low-temperature Methanol-SCR on H-FER zeolite doped by trace amount of cobalt","authors":"Dekai Liu , Han Sun , Ziying Hong , Chenxi He , Takashi Toyao , Masaya Matsuoka , Haijun Chen","doi":"10.1016/j.apcata.2025.120201","DOIUrl":"10.1016/j.apcata.2025.120201","url":null,"abstract":"<div><div>Green methanol is a promising alternative to fossil fuels in the fields where decarbonization is a major challenge, such as maritime transport. Selective catalytic reduction of NO<sub>x</sub> by methanol (Methanol-SCR) offers a perfect deNO<sub>x</sub> solution for methanol engines because of the co-existence of methanol and NO<sub>x</sub> in the exhaust. Here, we developed Co-H-FER zeolites containing only trace amount of cobalt as low as 0.05 wt% as Methanol-SCR catalysts, giving rise to a surprised enhancement of deNO<sub>x</sub> activity at low temperature region (250–350 °C) with excellent selectivity towards N<sub>2</sub>. Atomically dispersed [Co-OH]<sup>2 +</sup> species play a vital role in facilitating the generation of HONO species, which contribute to the formation of nitromethane as an initial step for the overall Methanol-SCR reaction. Bifunctional catalytic active sites including both [Co-OH]<sup>2+</sup> sites and zeolite solid acid sites has been proposed for Methanol-SCR at low temperature.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"696 ","pages":"Article 120201"},"PeriodicalIF":4.7,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143552641","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Ethylene epoxidation over shape-selective silver-based catalysts 选择性银基催化剂上的乙烯环氧化反应

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-03-03 DOI: 10.1016/j.apcata.2025.120200

Kaveh Shariati, Azadeh Mehrani, Trevor Corsello, Mason Kelley, Jochen Lauterbach

{"title":"Ethylene epoxidation over shape-selective silver-based catalysts","authors":"Kaveh Shariati, Azadeh Mehrani, Trevor Corsello, Mason Kelley, Jochen Lauterbach","doi":"10.1016/j.apcata.2025.120200","DOIUrl":"10.1016/j.apcata.2025.120200","url":null,"abstract":"<div><div>The catalytic activity and selectivity of silver catalysts in the ethylene epoxidation reaction are intrinsically linked to their faceting. Here, silver nanowires, representing Ag(100), and silver spherical catalysts, embodying Ag(111), were synthesized using modified polyol and wet impregnation methods, respectively. Recognizing the size-dependent nature of catalysis, two distinct sizes of spherical particles were synthesized to serve as comparative benchmarks for silver nanowire activity and selectivity. Silver spherical catalysts were promoted with optimal cesium loading. Furthermore, silver nanowires underwent cesium promotion at varying loadings, as meticulously detailed in the methodology. Unpromoted silver nanowires exhibited superior ethylene oxide selectivity compared to both unpromoted and promoted spherical catalysts. Additionally, the ethylene oxide selectivity was enhanced with the addition of the promoter, achieving activity and selectivity levels comparable to the best reported in the literature. Morphological analysis of spent silver nanowire catalysts revealed exceptional stability even after extended study periods.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"697 ","pages":"Article 120200"},"PeriodicalIF":4.7,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143563336","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Solvent-free phosphorus modification of Pt/Al2O3 catalysts to improve dispersion and dehydrogenation activity 无溶剂磷改性Pt/Al2O3催化剂，提高分散性和脱氢活性

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-03-03 DOI: 10.1016/j.apcata.2025.120199

Abelina Ellert , Fei Ding , Andreas Hutzler , Felix Herold , Luca Piccirilli , Magnus Rønning , Ton V.W. Janssens , Dorothea Wisser , Patrick Schühle

{"title":"Solvent-free phosphorus modification of Pt/Al2O3 catalysts to improve dispersion and dehydrogenation activity","authors":"Abelina Ellert , Fei Ding , Andreas Hutzler , Felix Herold , Luca Piccirilli , Magnus Rønning , Ton V.W. Janssens , Dorothea Wisser , Patrick Schühle","doi":"10.1016/j.apcata.2025.120199","DOIUrl":"10.1016/j.apcata.2025.120199","url":null,"abstract":"<div><div>This study introduces a solvent-free gas-phase method for modifying Al₂O₃-supported platinum (3 wt%) catalysts with phosphorus (P) to enhance Pt dispersion and dehydrogenation activity. The process involves decomposing NaH₂PO₂ at 600 °C, releasing PH₃, interacting with Pt on the catalyst surface. P-modified catalysts showed up to a 24 % increase in activity for perhydro-benzyltoluene dehydrogenation within a P:Pt ratio of 0.6–2.6. Additionally, they exhibited high resistance to sintering, maintaining Pt particle sizes of ∼0.9 nm even at 600 °C. Characterization using CO chemisorption, STEM NMR, and XPS revealed that PH₃ deposits phosphorus on the catalyst, which then oxidizes via support lattice oxygen. At 600 °C, this oxidized phosphorus migrates to the support/metal interface, stabilizing Pt nanoparticles and preventing sintering. However, when the P:Pt ratio exceeds 2.6, excess phosphorus remains on the surface, deactivating active sites. This study highlights the role of POₓ species in stabilizing Pt nanoparticles and optimizing catalyst performance.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"696 ","pages":"Article 120199"},"PeriodicalIF":4.7,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143552642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Enhanced catalytic performance in oxidative dehydrogenation of ethane via trace nickel oxide and boron nitride synergy 通过微量氧化镍和氮化硼协同作用增强乙烷氧化脱氢的催化性能

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-03-01 DOI: 10.1016/j.apcata.2025.120197

Guohui Zhong , Lei Cao , Xingzhi Wang , Rongliang Shang , Fan Wu , Yifan Wu , Yixiao Liu , Jin Xie

{"title":"Enhanced catalytic performance in oxidative dehydrogenation of ethane via trace nickel oxide and boron nitride synergy","authors":"Guohui Zhong , Lei Cao , Xingzhi Wang , Rongliang Shang , Fan Wu , Yifan Wu , Yixiao Liu , Jin Xie","doi":"10.1016/j.apcata.2025.120197","DOIUrl":"10.1016/j.apcata.2025.120197","url":null,"abstract":"<div><div>The oxidative dehydrogenation of ethane (ODHE) is an attractive route for ethylene production. While hexagonal boron nitride (h-BN) demonstrates excellent ethylene selectivity as a catalyst for ODHE, its limited ability to activate ethane necessitates high reaction temperatures. In this study, we developed a series of h-BN modified with trace amounts of NiO nanoparticles (<em>x</em>NiO/h-BN) to enhance ODHE performance. At a NiO loading of 1.0 wt%, the composite catalyst achieved optimal performance, with 30.4% ethane conversion and 86.6% ethylene selectivity at 590°C, representing a 1.5-fold improvement in activity over pristine h-BN. Experimental results reveal that trace NiO nanoparticles do not promote the decomposition of h-BN to generate excessive BO<sub><em>x</em></sub> species. Instead, these exposed nanoparticles play a synergistic role in activating ethane. The generated active ethyl radicals are rapidly dehydrogenated by adjacent BO<sub><em>x</em></sub> species, thereby enhancing catalytic activity while maintaining selectivity for the target product. This work advances the understanding of co-catalytic interactions between metal oxide and h-BN and highlights the negative effects of BO<sub><em>x</em></sub> overlayers on NiO surfaces, offering valuable insights for designing h-BN-based catalysts in ODHE.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"696 ","pages":"Article 120197"},"PeriodicalIF":4.7,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143552376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Enhanced electrooxidation of furfural to 2-furoic acid over NiCo2O4/NF: Optimization, in-situ monitoring and continuous AEM cell evaluation NiCo2O4/NF强化糠醛电氧化制2-糠酸：优化、原位监测和连续AEM电池评价

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-03-01 DOI: 10.1016/j.apcata.2025.120169

Xincheng Wang , Huanjie Zhang , Yuxin Liang , Long Huang , Hao Wang

引用次数: 0

Unveiling the decisive role of surficial properties on CuOx/CeO2 catalysts during CO preferential oxidation 揭示CuOx/CeO2催化剂表面性能在CO优先氧化过程中的决定性作用

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-03-01 DOI: 10.1016/j.apcata.2025.120198

Junfang Ding , Changjin Xu , Hao Chai , Xinyi Yao , Yang Hao , Yingkang Yang , Xiaomin Sun , Guilan Fan , Shanghong Zeng

{"title":"Unveiling the decisive role of surficial properties on CuOx/CeO2 catalysts during CO preferential oxidation","authors":"Junfang Ding , Changjin Xu , Hao Chai , Xinyi Yao , Yang Hao , Yingkang Yang , Xiaomin Sun , Guilan Fan , Shanghong Zeng","doi":"10.1016/j.apcata.2025.120198","DOIUrl":"10.1016/j.apcata.2025.120198","url":null,"abstract":"<div><div>The surficial properties of heterogeneous catalysts are vital in determining their catalytic performance. Herein, we take K-CuO<sub><em>x</em></sub>/CeO<sub>2</sub> as a typical composite to unveil the decisive role of surficial properties on the adsorption strengths of reactants, configurations of intermediates and desorption of products during CO preferential oxidation. Results show that adding K initially has minimal effect, but too much drastically reduces catalytic performance. Detailed analyses indicate adding K to CuO<sub><em>x</em></sub>/CeO<sub>2</sub> catalyst increases the surficial basic sites, which not only inhibits O<sub>2</sub> activation and CO<sub>2</sub> desorption, but also reduces surface defects, Cu<sup>+</sup> species and hydroxy species. Such a vast difference in adsorption behavior and surface species in turn lead to the transformation of intermediates from carboxylates to carbonates. DFT calculations further reveal that the barrier of rate-determining step for CuO<sub><em>x</em></sub>/CeO<sub>2</sub> catalyst in carboxyl path is lower than that of K-CuO<sub><em>x</em></sub>/CeO<sub>2</sub> in carbonate path, thus rendering a higher catalytic activity of CuO<sub><em>x</em></sub>/CeO<sub>2</sub>.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"696 ","pages":"Article 120198"},"PeriodicalIF":4.7,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143528752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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