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Synthesis, properties, and utilization of carbon quantum dots as photocatalysts on degradation of organic dyes: A mini review 作为光催化剂降解有机染料的碳量子点的合成、特性和利用：微型综述
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-02-01 DOI: 10.1016/j.catcom.2024.106914
A. Muhammad Afdhal Saputra , Averroes Fazlur Rahman Piliang , Dellyansyah , Marpongahtun , Andriayani , Ronn Goei , Risky Ramadhan H.T.S. , Saharman Gea
{"title":"Synthesis, properties, and utilization of carbon quantum dots as photocatalysts on degradation of organic dyes: A mini review","authors":"A. Muhammad Afdhal Saputra ,&nbsp;Averroes Fazlur Rahman Piliang ,&nbsp;Dellyansyah ,&nbsp;Marpongahtun ,&nbsp;Andriayani ,&nbsp;Ronn Goei ,&nbsp;Risky Ramadhan H.T.S. ,&nbsp;Saharman Gea","doi":"10.1016/j.catcom.2024.106914","DOIUrl":"10.1016/j.catcom.2024.106914","url":null,"abstract":"<div><p>This review highlights Carbon Quantum Dots (CQDs) as promising photocatalysts for breaking down organic pollutants, particularly in advancing CQDs-based systems for degrading organic dyes. CQDs, used alone or combined with semiconductors, enhance performance. In scenarios with narrow bandgaps, CQDs assist in separating charges, whereas in wider bandgaps, they enable visible/NIR activity through up-conversion luminescence. When integrated into <em>Z</em>-scheme heterostructures, CQDs reduce recombination by facilitating electron transfer. Synthesis methods—both top-down and bottom-up—are explored along with crucial physicochemical properties. Furthermore, modifying CQDs through doping and integrating functional groups on their surface adjusts their characteristics, promising more effective CQDs-modified photocatalysts in future research.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106914"},"PeriodicalIF":3.7,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000748/pdfft?md5=ea04b775a8257ade3d695dce72d8f813&pid=1-s2.0-S1566736724000748-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140406132","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
DoE-driven thermodynamic assessment of COX-free hydrogen production from methane decomposition 由 DoE 驱动的甲烷分解无 COX 制氢热力学评估
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-02-01 DOI: 10.1016/j.catcom.2024.106874
Lucas David Biondo , Christian Manera , Cesar Aguzzoli , Marcelo Godinho
{"title":"DoE-driven thermodynamic assessment of COX-free hydrogen production from methane decomposition","authors":"Lucas David Biondo ,&nbsp;Christian Manera ,&nbsp;Cesar Aguzzoli ,&nbsp;Marcelo Godinho","doi":"10.1016/j.catcom.2024.106874","DOIUrl":"10.1016/j.catcom.2024.106874","url":null,"abstract":"<div><p>Methane decomposition for hydrogen production is classified as blue turquoise, an intermediate between green and blue hydrogen. It does not generate greenhouse gas (GHG) emissions and does not require installation of carbon capture, utilization, and storage (CCUS) processes, becoming environmentally competitive among technologies, as the only byproduct is solid carbon. This research contributes to optimize temperature and gas hourly space velocity parameters for methane conversion adopting design of experiment (DoE) concept to collect data and identify significant factors through a 3<sup>2</sup> factorial design. Highest methane conversion, considering thermodynamic equilibrium limit of reaction, was obtained at 900 K and 6000 mL.h<sup>−1</sup>.g<sup>−1</sup>. The catalyst used was characterized by SEM, BET, and XRD.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106874"},"PeriodicalIF":3.7,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000347/pdfft?md5=218fd30ab70bb6b574b766fa7282d613&pid=1-s2.0-S1566736724000347-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139816772","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
Cycloalkanes oxidation with O2 catalyzed by a novel metalloporphyrin-based covalent coupling structure with bimetallic catalytic centers through synergistic mode 基于金属卟啉的新型共价偶联结构与双金属催化中心通过协同模式催化环烷烃与 O2 的氧化反应
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-02-01 DOI: 10.1016/j.catcom.2024.106876
Jia-Ye Ni, Yan-Bo Ding, Jing Sun, Hong-Ke Wu, Hai-Min Shen, Yuan-Bin She
{"title":"Cycloalkanes oxidation with O2 catalyzed by a novel metalloporphyrin-based covalent coupling structure with bimetallic catalytic centers through synergistic mode","authors":"Jia-Ye Ni,&nbsp;Yan-Bo Ding,&nbsp;Jing Sun,&nbsp;Hong-Ke Wu,&nbsp;Hai-Min Shen,&nbsp;Yuan-Bin She","doi":"10.1016/j.catcom.2024.106876","DOIUrl":"10.1016/j.catcom.2024.106876","url":null,"abstract":"<div><p>A novel bimetallic central covalent coupling catalytic system (Porp.Co@Zn-C6) based on Tris(4-Cl)(4-OH)Co and Tris(4-Cl)(4-OH)Zn was established to improve cycloalkanes oxidation. In particular, the partially-oxidized product's selectivity rose from 86.4% to 97.5% and the cyclohexane conversion was boosted from 3.80% to 4.41%. Simultaneously achieved improvements in conversion and selectivity. In this system, Co(II) was employed to activate molecular oxygen, Zn(II) was utilized to strengthen the utilization of cyclohexyl hydroperoxide and to be avoided its thermal decomposition in disorder state. This proposal can be very suitable for other cycloalkanes as well, which will improve the conversion and selectivity concurrently.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106876"},"PeriodicalIF":3.7,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000360/pdfft?md5=637c64fd64077690f6c55455185f5fa0&pid=1-s2.0-S1566736724000360-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139824303","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
Enhanced electrocatalytic HER performances of metal free SiC/g-C3N5 heterostructures 增强无金属 SiC/g-C3N5 异质结构的电催化 HER 性能
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-02-01 DOI: 10.1016/j.catcom.2024.106882
Sethumathavan Vadivel , P. Sujita , Bappi Paul , B. Vidhya , Anju Sebastian , R. Selvarajan
{"title":"Enhanced electrocatalytic HER performances of metal free SiC/g-C3N5 heterostructures","authors":"Sethumathavan Vadivel ,&nbsp;P. Sujita ,&nbsp;Bappi Paul ,&nbsp;B. Vidhya ,&nbsp;Anju Sebastian ,&nbsp;R. Selvarajan","doi":"10.1016/j.catcom.2024.106882","DOIUrl":"10.1016/j.catcom.2024.106882","url":null,"abstract":"<div><p>Here in, we have fabricated a composite of SiC and g-C<sub>3</sub>N<sub>5</sub> to form a noble-metal-free heterostructure as SiC/g-C<sub>3</sub>N<sub>5</sub> for electrochemical HER activity. More than a few characterization techniques were investigated for their structural properties, such as the XRD, UV- DRS, FT-IR, FE-SEM, HR-TEM, and XPS measurements respectively. The HER reaction of SiC/g-C<sub>3</sub>N<sub>5</sub> heterostructure with an overpotential obtained from Tafel slope of 81 mV/dec vs RHE at 10 mA/cm<sup>2</sup> which is much better than that of the pristine SiC material. This work entitles that the effective approach for the rational design of g-C<sub>3</sub>N<sub>5</sub>-based electrocatalysts, for future developments in metal-free electrocatalysts.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106882"},"PeriodicalIF":3.7,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000426/pdfft?md5=63ad123bfc7bd10ffd24786392bec422&pid=1-s2.0-S1566736724000426-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139924439","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
Photocatalytic CO2 reduction coupled with biomass-based amines oxidation over double-shelled CdS nanocages 双壳 CdS 纳米笼光催化二氧化碳还原和生物胺氧化
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-02-01 DOI: 10.1016/j.catcom.2024.106884
Haoran Liu , Hanlin Zhou , Luowen Yang , Yixian Pan , Xin Zhao , Fengliang Wang , Ruiqi Fang , Yingwei Li
{"title":"Photocatalytic CO2 reduction coupled with biomass-based amines oxidation over double-shelled CdS nanocages","authors":"Haoran Liu ,&nbsp;Hanlin Zhou ,&nbsp;Luowen Yang ,&nbsp;Yixian Pan ,&nbsp;Xin Zhao ,&nbsp;Fengliang Wang ,&nbsp;Ruiqi Fang ,&nbsp;Yingwei Li","doi":"10.1016/j.catcom.2024.106884","DOIUrl":"10.1016/j.catcom.2024.106884","url":null,"abstract":"<div><p>Solar-driven CO<sub>2</sub> reduction to CO production is often hampered by the kinetically sluggish water photooxidation and fast recombination of photocarriers. Herein, we report a photoredox system of CO<sub>2</sub> reduction coupled with biomass-based amines oxidation. Double-shelled CdS nanocages (CdS DSNC) are synthesized by a successive etching‑sulfuration strategy, which delivers impressive CO and difurfurylamine yields of 1226.4 and 5526.5 μmol·g<sup>−1</sup>·h<sup>−1</sup>, respectively. Mechanism studies uncover that the double-shelled structure endows CdS DSNC with high accessibility of active sites and short transfer distance for photocarriers. Besides, furfurylamine serves as both the electron donor and the capturer of CO<sub>2</sub>, thus boosting the photoredox performance.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106884"},"PeriodicalIF":3.7,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S156673672400044X/pdfft?md5=07c989a8f409b20f352707c34cdb80c9&pid=1-s2.0-S156673672400044X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139954361","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
AgNi/PC bimetallic and AgNi/PC@Mn trimetallic nanocatalysts for the efficient reduction of 4-nitrophenol 用于高效还原 4-硝基苯酚的 AgNi/PC 双金属和 AgNi/PC@Mn 三金属纳米催化剂
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-02-01 DOI: 10.1016/j.catcom.2024.106885
Hikmet Beyza Erdem, Sevil Çetinkaya
{"title":"AgNi/PC bimetallic and AgNi/PC@Mn trimetallic nanocatalysts for the efficient reduction of 4-nitrophenol","authors":"Hikmet Beyza Erdem,&nbsp;Sevil Çetinkaya","doi":"10.1016/j.catcom.2024.106885","DOIUrl":"10.1016/j.catcom.2024.106885","url":null,"abstract":"<div><p>Catalytic efficiency in hydrogenation reactions can be increased due to the stability achieved with nanomaterials prepared by homogeneously immobilizing multiple metal nanoparticles onto porous solid materials. Herein, porous carbon (PC)-supported bimetallic (AgNi/PC) and trimetallic nanoparticles (AgNi/PC@Mn) were developed and evaluated as catalysts in the NaBH<sub>4</sub>-mediated reduction of 4-nitrophenol to 4-aminophenol. AgNi/PC@Mn catalysts were synthesized using a two-step synthesis strategy. The highest and excellent catalytic efficiency under ambient conditions was obtained by the trimetallic catalyst. Both catalysts proved to be easily separated from the reaction medium and usable for up to five consecutive cycles without losing their catalytic activity.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106885"},"PeriodicalIF":3.7,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000451/pdfft?md5=71540cb5163eac9347fb93de88c43381&pid=1-s2.0-S1566736724000451-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139954471","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
Influence of binder selection on the catalytic performance of zeolite-based bifunctional catalysts for biomass catalysis 粘合剂选择对生物质催化用沸石基双功能催化剂催化性能的影响
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-02-01 DOI: 10.1016/j.catcom.2024.106892
Jinfei Lu , Shaohua Wang , Yanheng Hao , Lu Lin , Fan Bai , Wenhao Cui , Juan Wang , Qingda An , Peng Tian , Jifeng Pang , Wenhao Luo
{"title":"Influence of binder selection on the catalytic performance of zeolite-based bifunctional catalysts for biomass catalysis","authors":"Jinfei Lu ,&nbsp;Shaohua Wang ,&nbsp;Yanheng Hao ,&nbsp;Lu Lin ,&nbsp;Fan Bai ,&nbsp;Wenhao Cui ,&nbsp;Juan Wang ,&nbsp;Qingda An ,&nbsp;Peng Tian ,&nbsp;Jifeng Pang ,&nbsp;Wenhao Luo","doi":"10.1016/j.catcom.2024.106892","DOIUrl":"10.1016/j.catcom.2024.106892","url":null,"abstract":"<div><p>The impact of binder selection on catalytic performance of real catalyst extrudates is still limitedly shown in biomass catalysis. Herein, we have prepared two zeolite-based bifunctional extrudates (Ni/LaY-Al<sub>2</sub>O<sub>3</sub> and Ni/LaY-SiO<sub>2</sub>). Compared with Ni/LaY-Al<sub>2</sub>O<sub>3</sub>, Ni/LaY-SiO<sub>2</sub> shows a markedly enhanced durability and sustained performance for 936 h in the continuous liquid-phase hydrogenation of γ-valerolactone into methyl pentanoate. Complementary characterization studies reveal that choosing SiO<sub>2</sub> as binder could efficiently mitigate metal agglomeration, coke formation and support dealumination during catalysis. These findings showcase that binder selection is essential for catalyst durability in the development of the industrial-level bifunctional catalysts for biomass valorization.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106892"},"PeriodicalIF":3.7,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000529/pdfft?md5=11700240203d5ad1c3def2381ec4ba18&pid=1-s2.0-S1566736724000529-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140045599","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 regulation of perovskite oxides with cation preference for efficient trifunctional electrocatalysts 具有阳离子偏好的过氧化物氧化物表面调控，实现高效的三功能电催化剂
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-02-01 DOI: 10.1016/j.catcom.2024.106896
Ruoqi Zong , Xiaobing Wu , Sung Yul Lim , Yusheng Fang , Bareera Raza , Yujuan Lu , Youkun Tao , Jing Shao
{"title":"Surface regulation of perovskite oxides with cation preference for efficient trifunctional electrocatalysts","authors":"Ruoqi Zong ,&nbsp;Xiaobing Wu ,&nbsp;Sung Yul Lim ,&nbsp;Yusheng Fang ,&nbsp;Bareera Raza ,&nbsp;Yujuan Lu ,&nbsp;Youkun Tao ,&nbsp;Jing Shao","doi":"10.1016/j.catcom.2024.106896","DOIUrl":"10.1016/j.catcom.2024.106896","url":null,"abstract":"<div><p>This study presents a straightforward chemical approach to induce cationic surface defects on SrCoO<sub>3-δ</sub> (SCO) perovskites by selectively etching a-site Sr elements on the surface. The modified SCO-30 catalyst from this method exhibits an optimized thickness of cobalt-rich amorphous layer enriched with oxygen vacancies. This modification enhances the trifunctional catalytic activity for oxygen evolution reaction (OER), oxygen reduction reaction (ORR), and hydrogen evolution reaction (HER) in an alkaline electrolyte. Importantly, the perovskite's structure remains unchanged during the surface engineering process. These findings underscore cationic defect engineering as an effective strategy for the rational design of high-performance electrocatalysts, showcasing potential applications in diverse electrochemical processes.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106896"},"PeriodicalIF":3.7,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000566/pdfft?md5=6fbd5729a1e4c4a9ec28c30f7f1f62dd&pid=1-s2.0-S1566736724000566-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140054571","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
Bimetallic PdAg clusters loaded on hierarchical self-pillared pentasil zeolite as efficient catalysts for formic acid dehydrogenation 负载在分层自填料五硅沸石上的双金属钯银簇作为甲酸脱氢的高效催化剂
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-02-01 DOI: 10.1016/j.catcom.2024.106891
Shiyu Wan , Peng Lu , Dongyan Xu , Valentin Valtchev
{"title":"Bimetallic PdAg clusters loaded on hierarchical self-pillared pentasil zeolite as efficient catalysts for formic acid dehydrogenation","authors":"Shiyu Wan ,&nbsp;Peng Lu ,&nbsp;Dongyan Xu ,&nbsp;Valentin Valtchev","doi":"10.1016/j.catcom.2024.106891","DOIUrl":"10.1016/j.catcom.2024.106891","url":null,"abstract":"<div><p>In the present study, siliceous self-pillared pentasil (SPP) zeolite with regular mesopores was synthesized and used as a support for anchoring bimetallic PdAg clusters through a facile impregnation-reduction method. The as-prepared PdAg/SPP catalysts with different Pd/Ag ratios were demonstrated to catalyze formic acid dehydrogenation for hydrogen production. XRD results confirmed the formation of PdAg alloy on the surface of SPP zeolite. The Pd<sub>7</sub>Ag<sub>3</sub>/SPP catalyst showed high activity at 80 °C with an initial turn-over frequency (TOF) of 1263.6 h<sup>−1</sup>, proving the strategy using hierarchical SPP zeolite as carrier is advantageous over bulky zeolites for making highly active formic acid dehydrogenation catalysts.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106891"},"PeriodicalIF":3.7,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000517/pdfft?md5=9e8f6d15d9b0f9bdaebacb1da6598899&pid=1-s2.0-S1566736724000517-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140054573","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
MOF-derived Fe3O4@SiO2/Al2O3 yolk-shell nanoreactor for efficient furfural acetalization 用于高效糠醛缩醛化的 MOF 衍生 Fe3O4@SiO2/Al2O3 卵黄壳纳米反应器
IF 3.7 3区 化学
Catalysis Communications Pub Date : 2024-02-01 DOI: 10.1016/j.catcom.2024.106900
Yang Zhang , Qizhuang Zou , Ruiqi Fang , Hua Tan , Hongbing Ji , Yingwei Li
{"title":"MOF-derived Fe3O4@SiO2/Al2O3 yolk-shell nanoreactor for efficient furfural acetalization","authors":"Yang Zhang ,&nbsp;Qizhuang Zou ,&nbsp;Ruiqi Fang ,&nbsp;Hua Tan ,&nbsp;Hongbing Ji ,&nbsp;Yingwei Li","doi":"10.1016/j.catcom.2024.106900","DOIUrl":"10.1016/j.catcom.2024.106900","url":null,"abstract":"<div><p>Yolk-shell nanoreactors feature numbers of advantages in promoting catalytic performance. This work demonstrates the fabrication of yolk-shell Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub>-<em>T</em> (<em>T</em> = 500–900 °C) from metal-organic framework. Characterizations indicate the Fe<sub>3</sub>O<sub>4</sub> yolk and SiO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> shell of the obtained nanoreactors. Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub>–800 showed excellent performance in furfural acetalization to 2-(dimethoxymethyl)furan, achieving a 97% yield at 60 °C, atmospheric pressure within 5 h. Control experiments reveal the high reactivity of Fe<sub>3</sub>O<sub>4</sub> yolks for furfural acetalization, and acidic Al species are favorable for reactivity promotion. Besides, porous SiO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> shells facilitate mass transfer and increase the accessibility of active sites, also contribute to the high performance and stability.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106900"},"PeriodicalIF":3.7,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000608/pdfft?md5=8f3a0608813be26deef6ff1bbb727283&pid=1-s2.0-S1566736724000608-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140090338","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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