Applied Catalysis A: General最新文献_第10页

A high-activity composite catalyst via sol-gel-assisted self-propagating high-temperature synthesis for catalytic transfer hydrogenation 溶胶-凝胶辅助自传播高温合成用于催化转移加氢的高活性复合催化剂

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-02-10 DOI: 10.1016/j.apcata.2025.120164

Mingwei Ma , Xueling Wang , Yankun Gao , Chen Huang , Xin Wang , Jing Sun , Zhongmin Su

{"title":"A high-activity composite catalyst via sol-gel-assisted self-propagating high-temperature synthesis for catalytic transfer hydrogenation","authors":"Mingwei Ma , Xueling Wang , Yankun Gao , Chen Huang , Xin Wang , Jing Sun , Zhongmin Su","doi":"10.1016/j.apcata.2025.120164","DOIUrl":"10.1016/j.apcata.2025.120164","url":null,"abstract":"<div><div>Developing an efficient, energy-saving, and rapid synthesis method for composites is crucial for advancing functional catalytic materials, yet still challenging. Herein, we present a sol-gel-assisted self-propagating high-temperature synthesis (SHS) strategy that integrates sol-gel formation, self-combustion, and self-propagating high-temperature synthesis into a one pot process, enabling efficient and rapid synthesis of metal oxide-based composites. As a demonstration, we synthesized easily separable magnetic Fe₃O₄/C composites and conducted a catalytic transfer hydrogenation (CTH) reaction of furfural (FAL), a representative biomass-derived carbonyls, achieving superior activity at mild conditions. The high specific surface area and abundant acid-base sites endow the substrate and catalyst with strong interactions and bonding, thereby promoting the hydrogen transfer process. The direct hydrogen transfer pathway of the CTH reaction was confirmed using isotope labeling, alongside the elucidation of the side reaction. These findings offer new insights for the synthesis of metal oxide-based composites and broaden the applicability of the sol-gel-assisted SHS strategy in material synthesis.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"694 ","pages":"Article 120164"},"PeriodicalIF":4.7,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143396017","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

Composition effects of carbon surface oxide ensembles on activity and stability of carbon supported Co Fischer-Tropsch catalysts 碳表面氧化物系综组成对碳负载Co费托催化剂活性和稳定性的影响

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-02-10 DOI: 10.1016/j.apcata.2025.120165

Felix Herold , Sahra L. Guldahl-Ibouder , Tamara Hein , Patrick Schühle , Magnus Rønning

{"title":"Composition effects of carbon surface oxide ensembles on activity and stability of carbon supported Co Fischer-Tropsch catalysts","authors":"Felix Herold , Sahra L. Guldahl-Ibouder , Tamara Hein , Patrick Schühle , Magnus Rønning","doi":"10.1016/j.apcata.2025.120165","DOIUrl":"10.1016/j.apcata.2025.120165","url":null,"abstract":"<div><div>Carbon catalyst supports offer an attractive alternative to traditional oxidic supports for Co-based Fischer-Tropsch synthesis (FTS) catalysts, however, weak metal/carbon interactions facilitate catalyst deactivation by cobalt nanoparticle sintering. In this study we investigated the introduction of carbon surface oxides to mitigate cobalt sintering, combining carbon model supports featuring various surface oxide profiles with size-defined, colloidal Co nanoparticles. Carbon surface oxidation was found to effectively suppress cobalt nanoparticle sintering. Employing in situ XRD and XAS, we could show that Co supported on carbon featuring surface carbonyls/quinones displays low reducibility and forms disordered, polycrystalline Co0 nanoparticles, which are associated with poor FTS performance. In contrast, Co on supports occupied by carboxylic acids were easily reducible and formed monocrystalline nanoparticles enabling comparatively high FTS activities. However, despite effectively suppressing Co nanoparticle sintering, carbon surface oxidation was proven detrimental for FTS performance, as Co supported on non-functionalized carbon outperformed all catalysts on oxidized supports.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"694 ","pages":"Article 120165"},"PeriodicalIF":4.7,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143378050","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

Improving catalytic activity and stability of ZrO2 and CeO2 in the vapor-phase intramolecular aldol condensation of 2,5-hexanedione to 3-methyl-2-cyclopentenone 提高ZrO2和CeO2在2,5-己二酮气相分子内醛缩制3-甲基-2-环戊酮反应中的催化活性和稳定性

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-02-07 DOI: 10.1016/j.apcata.2025.120163

Takuto Adachi, Enggah Kurniawan, Takashi Kojima, Takayoshi Hara, Yasuhiro Yamada, Satoshi Sato

{"title":"Improving catalytic activity and stability of ZrO2 and CeO2 in the vapor-phase intramolecular aldol condensation of 2,5-hexanedione to 3-methyl-2-cyclopentenone","authors":"Takuto Adachi, Enggah Kurniawan, Takashi Kojima, Takayoshi Hara, Yasuhiro Yamada, Satoshi Sato","doi":"10.1016/j.apcata.2025.120163","DOIUrl":"10.1016/j.apcata.2025.120163","url":null,"abstract":"<div><div>Improving catalytic stability by reducing the coke formation is still important in ensuring the longevity of the catalyst, especially in acid-base sites catalyzed reactions. In this work, we successfully improved the catalytic activity and stability of ZrO<sub>2</sub> and CeO<sub>2</sub> catalysts in the aldol condensation of 2,5-hexanedione (HDO) to 3-methyl-2-cyclopentenone (MCP) by the Ag modification and operation in H<sub>2</sub> flow. ZrO<sub>2</sub> poorly catalyzed aldol condensation of HDO and was severely deactivated regardless of the reaction conditions. Similarly, the CeO<sub>2</sub> was also deactivated during aldol condensation of HDO even though it has a milder deactivation rate than ZrO<sub>2</sub> catalyst. The modification of ZrO<sub>2</sub> and CeO<sub>2</sub> with Ag and the operation in H<sub>2</sub> flow reduced the catalyst deactivation by reducing the coke accumulation on the catalyst, while still maintaining high selectivity to MCP. Consequently, the modified ZrO<sub>2</sub> and CeO<sub>2</sub> catalyst could maintain their high activity under prolonged time on stream.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"694 ","pages":"Article 120163"},"PeriodicalIF":4.7,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143386494","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

Reusability of Mg/Al catalysts for the aldol condensation of furfural and acetone in a continuous flow reactor 连续流反应器中糠醛和丙酮缩醛反应中Mg/Al催化剂的可重复使用性

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-02-06 DOI: 10.1016/j.apcata.2025.120151

Saleem Munir, Daniel Montané, Magdalena Constantí, Francesc Medina

{"title":"Reusability of Mg/Al catalysts for the aldol condensation of furfural and acetone in a continuous flow reactor","authors":"Saleem Munir, Daniel Montané, Magdalena Constantí, Francesc Medina","doi":"10.1016/j.apcata.2025.120151","DOIUrl":"10.1016/j.apcata.2025.120151","url":null,"abstract":"<div><div>Hydrotalcite catalysts with a Mg: Al ratio of 3:1 were assessed for the aldol condensation of furfural with acetone on a continuous packed bed reactor. The as-prepared (FHT), calcined (CHT), and rehydrated (RHT) hydrotalcites were characterized and their activity was tested at 100 °C and 12 bar(a) with an acetone:furfural ratio of 10:1 at a furfural WHSV of 5.77 h<sup>−1</sup>. FHT showed low conversion and deactivated fast. CHT and RHT exhibited complete conversion during 2 and 4 h, respectively, and deactivated to a 20 % conversion after 8–11 h. The main products were (<em>E</em>)-4-(furan-2-yl)but-3-en-2-on (C8) and (1<em>E</em>,4<em>E</em>)-1,5-di(furan-2-yl)penta-1,4-dien-3-one (C13). Small amounts of higher molar mass products formed by ketonization were observed, and they were linked to the deposition of insoluble oligomers. Reuse of the spent catalysts by recalcination to remove the organic deposits was evaluated for a total of four reaction tests. A gradual loss of performance was seen after each reactivation treatment.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"694 ","pages":"Article 120151"},"PeriodicalIF":4.7,"publicationDate":"2025-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143396018","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

Catalytic synthesis of heterocyclic compounds with a cineole moiety based on α-pinene 基于α-蒎烯的桉叶油脑杂环化合物的催化合成

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-02-05 DOI: 10.1016/j.apcata.2024.120070

Alexander Yu. Sidorenko , Tatiana V. Khalimonyuk , Yulia M. Kurban , Irina V. Ilyina , Nikolai S. Li-Zhulanov , Oksana S. Patrusheva , Atte Aho , Ivo Heinmaa , Konstantin P. Volcho , Nariman F. Salakhutdinov , Dmitry Yu. Murzin , Vladimir E. Agabekov

{"title":"Catalytic synthesis of heterocyclic compounds with a cineole moiety based on α-pinene","authors":"Alexander Yu. Sidorenko , Tatiana V. Khalimonyuk , Yulia M. Kurban , Irina V. Ilyina , Nikolai S. Li-Zhulanov , Oksana S. Patrusheva , Atte Aho , Ivo Heinmaa , Konstantin P. Volcho , Nariman F. Salakhutdinov , Dmitry Yu. Murzin , Vladimir E. Agabekov","doi":"10.1016/j.apcata.2024.120070","DOIUrl":"10.1016/j.apcata.2024.120070","url":null,"abstract":"<div><div>Cineole is a natural compound that is used in traditional medicine and pharmaceuticals. This work describes for the first time the selective catalytic synthesis of heterocyclic compounds with a cineole fragment by condensation of 8-hydroxy-6-hydroxymethyllimonene (α-pinene based platform molecules) with thiophene-2-carbaldehyde. Acid-modified halloysite nanotubes and commercial montmorillonites K-10 and K-30 were used as heterogeneous catalysts and compared with the traditional ones. The materials were characterized by SEM, EDX, N<sub>2</sub> adsorption-desorption, MAS NMR, and FTIR with pyridine methods. Selectivity to the product with the 1,8-cineole moiety increased slightly with increasing solids acidity, reaching 77 % on K-10, which was the same as in the presence of BF<sub>3</sub>·Et<sub>2</sub>O. Over strong Brønsted acid (Amberlyst-15), mainly intramolecular cyclization of the diol occurred. Formation of the product with the 1,4-cineole fragment was more pronounced at high initial reagents concentrations, or when water was added, since it is formed through another intermediate containing two hydroxy groups. The reaction mechanism and pathways are discussed using both experimental data and DFT calculations. The use of a catalytic system based on resistant to leaching montmorillonite K-10 in methylene chloride allowed generation of the products with a 1,8-cineole moiety with selectivity up to 96 % depending on the aldehyde.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"691 ","pages":"Article 120070"},"PeriodicalIF":4.7,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143135051","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

Metal-free decarboxylative oxygenation of α-amino acids to amide compounds via photoredox catalysis α-氨基酸通过光氧化还原催化无金属脱羧氧化合成酰胺化合物

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-02-05 DOI: 10.1016/j.apcata.2024.120084

Rui Zhu , Yaxin Wang , Minshu Cui

引用次数: 0

Sterilization performance and mechanism evaluation of oxygen vacancies synergistic Fenton-like enhanced photocatalysts 氧空位增强型fenton光催化剂的杀菌性能及机理评价

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-02-05 DOI: 10.1016/j.apcata.2024.120083

Yirui Zhao , Hongshun Hao , Jiaqi Zhong , Gongliang Zhang , Jingran Bi , Shuang Yan , Feng Hong , Hongman Hou

{"title":"Sterilization performance and mechanism evaluation of oxygen vacancies synergistic Fenton-like enhanced photocatalysts","authors":"Yirui Zhao , Hongshun Hao , Jiaqi Zhong , Gongliang Zhang , Jingran Bi , Shuang Yan , Feng Hong , Hongman Hou","doi":"10.1016/j.apcata.2024.120083","DOIUrl":"10.1016/j.apcata.2024.120083","url":null,"abstract":"<div><div>Foodborne pathogens have become one of the global problems threatening human life and health, and Fenton-like photocatalytic technology with nanomaterials as the core opens up a new way to eliminate pathogens. In this paper, m-WO<sub>3-x</sub> was prepared by controlling oxygen vacancies and employing a hard template to construct a mesoporous structure, and the ternary composite N-Nb<sub>2</sub>CT<sub><em>x</em></sub>/TpPa-1/m-WO<sub>3-x</sub> was successfully constructed by combining with N-Nb<sub>2</sub>CT<sub><em>x</em></sub>/TpPa-1. In comparison to the monomers, the ternary composite has a large specific surface area and pore volume, which enhances the light trapping ability, and greatly reduces the recombination of photogenerated electron-hole pairs. Simultaneously, the construction of oxygen vacancies can trigger the localized surface plasmon resonance effect, thereby broadening the spectral response range and enhancing the photothermal effect. The photocatalytic sterilization efficiency of oxygen vacancies synergistic Fenton-like was the highest when 2 mM of H<sub>2</sub>O<sub>2</sub> was added, and the cell concentration decreased from 7.14 to 3.26 log<sub>10</sub>CFU/mL. The establishment of N-Nb<sub>2</sub>CT<sub><em>x</em></sub>/TpPa-1/m-WO<sub>3-x</sub> Fenton-like photocatalysts will provide a theoretical basis for reducing the spread of foodborne pathogens.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"691 ","pages":"Article 120083"},"PeriodicalIF":4.7,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143135079","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

Catalytic performance of low loading palladium-carbon catalyst in rosin disproportionation: Characterization, process enhancement, and reaction pathway 低负载钯碳催化剂在松香歧化中的催化性能：表征、工艺改进和反应途径

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-02-05 DOI: 10.1016/j.apcata.2024.120077

Yifan Niu , Siyu Gong , Jinhao Zheng , Xian Zhou , Ziyu Song , Shaohua Ju , Yongwan Gu

{"title":"Catalytic performance of low loading palladium-carbon catalyst in rosin disproportionation: Characterization, process enhancement, and reaction pathway","authors":"Yifan Niu , Siyu Gong , Jinhao Zheng , Xian Zhou , Ziyu Song , Shaohua Ju , Yongwan Gu","doi":"10.1016/j.apcata.2024.120077","DOIUrl":"10.1016/j.apcata.2024.120077","url":null,"abstract":"<div><div>This study introduces an efficient Pd/C catalyst for the rosin disproportionation (RD) reaction, a key biomass conversion process. The low-loaded Pd/C catalysts, with 3–6 nm Pd nanoparticles, were synthesized via deposition-precipitation and characterized for their high dispersion of metallic Pd on activated carbon. Optimized using the Box-Behnken design of response surface methodology, the catalyst achieved a 71.36 % maximum DAA yield under optimal conditions (280 °C, 150 min, 0.04 wt% catalyst, 3.00 wt% Pd), surpassing commercial catalysts by 1.27 times with reduced Pd usage. Key factors for catalytic activity included Pd loading, dispersion, particle size, and metallic Pd content. Kinetic studies showed an activation energy of 21.52 kJ/mol for the conversion of abietic acid to dehydroabietic acid, highlighting the superior potential in the RD reaction. Ultraviolet-visible absorption spectra and gas chromatography-mass spectrometry analyses elucidated the reaction pathway and mechanism, providing a practical approach to developing high-activity catalysts for industrial RD applications.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"691 ","pages":"Article 120077"},"PeriodicalIF":4.7,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143135099","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

Turning CO2 into an alternative energy source: Study on methanation reaction optimization 将二氧化碳转化为替代能源：甲烷化反应优化研究

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-02-05 DOI: 10.1016/j.apcata.2024.120073

Apisara Supaokit , Vikas Verma , Wei-Cheng Wang , Chia-Lin Chen , Shun-Min Wang , Rusdan Aditya Aji Nugroho , Viet Dung Duong , Hsin-Wei Hsu

{"title":"Turning CO2 into an alternative energy source: Study on methanation reaction optimization","authors":"Apisara Supaokit , Vikas Verma , Wei-Cheng Wang , Chia-Lin Chen , Shun-Min Wang , Rusdan Aditya Aji Nugroho , Viet Dung Duong , Hsin-Wei Hsu","doi":"10.1016/j.apcata.2024.120073","DOIUrl":"10.1016/j.apcata.2024.120073","url":null,"abstract":"<div><div>Carbon dioxide (CO<sub>2</sub>) methanation is an effective technology for mitigating CO<sub>2</sub> emissions, major contributor to global warming, by converting CO<sub>2</sub> into methane (CH<sub>4</sub>). This work describes use of CO<sub>2</sub> (feedstock) using molecular hydrogen to produce CH<sub>4</sub> using mono-metallic Ni/γ-Al<sub>2</sub>O<sub>3</sub> catalyst in continuous flow fixed bed downflow reactor. The catalyst was characterized by XRD, SEM, BET, H<sub>2</sub>-TPD, H<sub>2</sub>-TPR, TPO, and Raman techniques. The influence of temperature, gas hourly space velocity (GHSV), pressure, H<sub>2</sub>/feed, nickel content and calcination temperature were studied. Optimal conditions using Taguchi method yielded maximum CH<sub>4</sub> selectivity (100 %) at T = 350 ºC, GHSV = 5000 mL g<sub>cat</sub><sup>−1</sup> h<sup>−1</sup><sub>,</sub> P = 15 bar, and H<sub>2</sub>/feed = 5. Under industrial reduced conditions (300 °C, 4000 mL g<sub>cat</sub><sup>−1</sup> h<sup>−1</sup>, 1 bar, and 4.5), CO<sub>2</sub> conversion improved from 73.67 % to 92.84 % using optimum 15 wt% Ni catalyst and 600 °C calcination temperature. The catalyst maintained ∼90 % CO<sub>2</sub> conversion over 100 h without deactivation.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"691 ","pages":"Article 120073"},"PeriodicalIF":4.7,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143135250","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

Low-nuclearity Pt sites directionally deposited on CeZrOx interface for breaking “trade-off” limitation in low-temperature RWGS reaction 低核Pt位点定向沉积在CeZrOx界面上，打破了低温RWGS反应的“权衡”限制

IF 4.7 2区化学

Applied Catalysis A: General Pub Date : 2025-02-05 DOI: 10.1016/j.apcata.2024.120094

Fuying Huang , Jie Chen , Jianpeng Zeng , Fengying Zheng , Yancai Li , Jian Qi , Shunxing Li

{"title":"Low-nuclearity Pt sites directionally deposited on CeZrOx interface for breaking “trade-off” limitation in low-temperature RWGS reaction","authors":"Fuying Huang , Jie Chen , Jianpeng Zeng , Fengying Zheng , Yancai Li , Jian Qi , Shunxing Li","doi":"10.1016/j.apcata.2024.120094","DOIUrl":"10.1016/j.apcata.2024.120094","url":null,"abstract":"<div><div>The reverse water-gas shift (RWGS) reaction is considered as one of the promising routes for converting greenhouse gases into CO intermediates and subsequently generating high-value products. However, CO<sub>2</sub> is difficult to activate at low temperatures and tends to form by-product CH<sub>4</sub>, resulting in poor conversion and selectivity. In this work, a targeted strategy was developed to oriented deposite Pt components on in-situ constructed CeZrO<sub>x</sub> interfaces. Due to the dispersion and anchoring effect derived from the oxygen vacancies of the CeZrO<sub>x</sub> interface, the supported Pt sites were dominantly existed as low-nuclearity configuration. Moreover, the defect-enriched interface showed exceptional electron donation to Pt sites (Pt<sup>δ-</sup> species) via an electronic metal-support interaction (EMSI), which was endowed with stronger H dissociation properties. Combined with the superior ability for the activation of CO<sub>2</sub> over oxygen vacancies at CeZrO<sub>x</sub> interface, the catalytic performance of low-temperature RWGS reaction was synergistically improved.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"691 ","pages":"Article 120094"},"PeriodicalIF":4.7,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143135083","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