Inorganic Chemistry Communications最新文献_第8页

Dual-template synthesis of nitrogen-doped carbons spheres supported NiFe alloys towards improved electrocatalytic oxygen evolution 氮掺杂碳球负载NiFe合金的双模板合成及其电催化析氧性能

IF 5.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-09-23 DOI: 10.1016/j.inoche.2025.115562

Huipeng Xu , Yao Shen , Shengyi Huang , Aihua Yuan , Hu Zhou

{"title":"Dual-template synthesis of nitrogen-doped carbons spheres supported NiFe alloys towards improved electrocatalytic oxygen evolution","authors":"Huipeng Xu , Yao Shen , Shengyi Huang , Aihua Yuan , Hu Zhou","doi":"10.1016/j.inoche.2025.115562","DOIUrl":"10.1016/j.inoche.2025.115562","url":null,"abstract":"<div><div>The development of transition metal/alloy materials has shown a promising prospect as the catalysts for electrochemical oxygen evolution reaction (OER). However, it is quite challenging to suppress the self-aggregation and promote the catalytic activity for metal nanoparticles (NPs). Decorating metal/alloy species onto nitrogen-doped carbon substrate is a powerful approach to fabricate the strongly-coupled nanohybrids. Herein, N-doped carbon spheres supported NiFe alloy nanoparticles (NiFe@NCS) are prepared through in-situ growth of NiFe-PBA nanocrystals on polydopamine (PDA) spheres, followed by a high-temperature pyrolysis. Thanks to the synergistic effect of hierarchical pore structure, high electronic conductivity, and plentifully active sites, the as-formed NiFe@NCS exhibits a low overpotential of 290 mV at a current density of 10 mA cm<sup>−2</sup> as well as displays a superb cycling stability for OER. In addition, the best catalytic activity has been realized for the NiFe@NCS sample with a moderate loading of NiFe NPs. This study affords a feasible dual-template method for fabricating efficient electrocatalysts of N-doped carbon-supported metal/alloy species.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"182 ","pages":"Article 115562"},"PeriodicalIF":5.4,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145154820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Hierarchical porous carbon supports: construction, mechanism, and catalytic performance as efficient microreactors for methanol steam reforming 分级多孔碳载体：结构、机制和催化性能作为甲醇蒸汽重整的高效微反应器

IF 5.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-09-23 DOI: 10.1016/j.inoche.2025.115561

Minghui Lian , Xinyu Han , Jinxiao Li , Rensheng Song , Chunhua Yang , Jing Zhang , Hexiang Zhong , Liwei Pan

{"title":"Hierarchical porous carbon supports: construction, mechanism, and catalytic performance as efficient microreactors for methanol steam reforming","authors":"Minghui Lian , Xinyu Han , Jinxiao Li , Rensheng Song , Chunhua Yang , Jing Zhang , Hexiang Zhong , Liwei Pan","doi":"10.1016/j.inoche.2025.115561","DOIUrl":"10.1016/j.inoche.2025.115561","url":null,"abstract":"<div><div>In this study, hierarchical porous carbon (HPC) supports were prepared from disposable chopsticks by KOH activation, followed by loading Cu/Ce active components for methanol steam reforming (MSR). It was found that the KOH activation conditions had a significant effect on the pore structure and surface functional groups of the HPC supports. Specifically, at a KOH impregnation ratio of 5:1 and activation time of 3 h, the prepared C<sub>8</sub> support exhibited a high specific surface area and a well-developed microporous structure. After impregnation with Cu/Ce, the catalysts exhibited exceptional performance in MSR, with the 20 % Cu<sub>2</sub>/Ce<sub>1</sub>/C<sub>8</sub> catalysts achieving the highest hydrogen yield of 17,753 μmol·g<sup>−1</sup>·h<sup>−1</sup> at 250 °C. The catalysts were systematically characterized to correlate their structural properties with performance，and a “microporous reactor” mechanism was proposed. Specifically, the well-defined microporous architecture enhanced reactant adsorption through size-selective confinement effects, promotes efficient catalytic conversion via spatial confinement of active species, and suppresses nanoparticle agglomeration through physical immobilization within the porous matrix. This synergistic interplay of adsorption-reaction-stabilization processes significantly enhances both the catalytic activity and long-term stability of the catalysts.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"182 ","pages":"Article 115561"},"PeriodicalIF":5.4,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145216355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

A plant petal template synthesis of Mn3O4 nanosheets for enhanced oxygen evolution reaction 植物花瓣模板合成Mn3O4纳米片增强析氧反应

IF 5.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-09-23 DOI: 10.1016/j.inoche.2025.115548

Zhiqiang Fang , Rui Wang , Jiaoyang Chen , Fei Huang , Long Chen , Shuangquan Lin , Pengfei Jin , Shiyou Guan

引用次数: 0

Hydrothermal production of novel Dy2MoO6/rGO nanomaterial as potential electrocatalyst for enhanced OER application 水热法制备新型Dy2MoO6/rGO纳米材料作为增强OER应用的潜在电催化剂

IF 5.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-09-23 DOI: 10.1016/j.inoche.2025.115536

Uzma Majeed , Hala M. Abo-Dief , Mongi Amami , Abhinav Kumar , Ankit Dilipkumar Oza

{"title":"Hydrothermal production of novel Dy2MoO6/rGO nanomaterial as potential electrocatalyst for enhanced OER application","authors":"Uzma Majeed , Hala M. Abo-Dief , Mongi Amami , Abhinav Kumar , Ankit Dilipkumar Oza","doi":"10.1016/j.inoche.2025.115536","DOIUrl":"10.1016/j.inoche.2025.115536","url":null,"abstract":"<div><div>Water electrocatalysis is excessively being investigated for energy production to address the energy issues resulting by excessive use of fossil fuels. Water electrolysis results production of oxygen and hydrogen by oxygen evolution reaction (OER) and hydrogen evolution reaction but it needs a good catalyst. The efforts are being made to develop electrocatalysts for OER which is limiting reaction of water oxidation owing to its sluggish reaction kinetics. In our study, a novel electrocatalyst Dy<sub>2</sub>MoO<sub>6</sub>/rGO composite was synthesized via simple hydrothermal method for OER efficiency. Different physical tests like SEM (scanning electron microscope), XRD (X ray diffraction), FTIR (Fourier transform infrared spectroscopy) and Raman confirmed the successful fabrication of materials. The Dy<sub>2</sub>MoO<sub>6</sub>/rGO showed versatile with reduced graphene oxide (rGO) sheets resulting in increased active sites and surface availability of nanocatalyst. The Dy<sub>2</sub>MoO<sub>6</sub>/rGO composite showed improved OER activity than pristine materials having overpotential (ղ) and Tafel related 233 mV, 35 mV/dec while Dy<sub>2</sub>MoO<sub>6</sub> has (287 mV, 50 mV/dec) and rGO has (321 mV, 70 mV/dec). The fabricated Dy<sub>2</sub>MoO<sub>6</sub>/rGO catalyst holds the stability over 30 h with minute decrease in current density. The exceptional physical and electrochemical features of Dy<sub>2</sub>MoO<sub>6</sub>/rGO make it a promising electrocatalyst for electrical and other related applications in future.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"182 ","pages":"Article 115536"},"PeriodicalIF":5.4,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145216319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Nitrogen self-doped hierarchical porous carbon derived from H6TDPAT ligand for efficient iodine and pharmaceutical contaminant removal 由H6TDPAT配体衍生的氮自掺杂分层多孔碳用于高效去除碘和药物污染物

IF 5.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-09-23 DOI: 10.1016/j.inoche.2025.115546

Augustine Jaison , Anandhu Mohan , Young-Chul Lee

{"title":"Nitrogen self-doped hierarchical porous carbon derived from H6TDPAT ligand for efficient iodine and pharmaceutical contaminant removal","authors":"Augustine Jaison , Anandhu Mohan , Young-Chul Lee","doi":"10.1016/j.inoche.2025.115546","DOIUrl":"10.1016/j.inoche.2025.115546","url":null,"abstract":"<div><div>Efficient removal of environmental pollutants is a critical challenge that requires the development of advanced adsorbents with high capacities. This study introduces a simplified and novel route for synthesizing high-performance porous carbon directly from organic ligands, using a simple solid-state ZnCl<sub>2</sub> activation process. In this study, we used the H<sub>6</sub>TDPAT ligand, a highly conjugated nitrogen-containing organic ligand, to synthesize hierarchical nitrogen-rich porous carbon. The porous carbon materials exhibited high specific surface areas up to 1454.04 m<sup>2</sup>/g. The efficiency of the resulting porous carbons was tested using iodine (I<sub>2</sub>) and tetracycline hydrochloride (TCH) adsorption experiments. The gas-phase iodine adsorption experiments revealed that the material could capture up to 383 wt% iodine. Similarly, 100 % TCH removal was achieved at room temperature, with a maximum adsorption capacity of 490.27 mg/g and outstanding recyclability. This study addressed the gap in research on nitrogen self-doped porous carbons with applications in environmental remediation, particularly for the removal of iodine and pharmaceutical contaminants.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"182 ","pages":"Article 115546"},"PeriodicalIF":5.4,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145216471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Environmentally friendly carbon quantum dots: A turn-off/turn-on probe for metal ions and norfloxacin 环境友好型碳量子点：金属离子和诺氟沙星的开关探针

IF 5.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-09-22 DOI: 10.1016/j.inoche.2025.115550

Xinxin Li , Hang Su , Jingying Li , Liang Fan , Hanxiao Tang , Hongyan Pei , Zhijuan Zhang

{"title":"Environmentally friendly carbon quantum dots: A turn-off/turn-on probe for metal ions and norfloxacin","authors":"Xinxin Li , Hang Su , Jingying Li , Liang Fan , Hanxiao Tang , Hongyan Pei , Zhijuan Zhang","doi":"10.1016/j.inoche.2025.115550","DOIUrl":"10.1016/j.inoche.2025.115550","url":null,"abstract":"<div><div>A straightforward and environmentally sustainable hydrothermal synthesis approach is introduced for creating carbon quantum dots (CQDs) from the Chinese herbal medicine (CHM) residue, with thorough studies on their structural and optical characteristics. A considerable quantum yield (QY) of 62.0 % and a blue-violet fluorescence were observed in the prepared CQDs. They possess excellent photoluminescence, high solubility in water, and good dispersibility, averaging 3.01 nm in size. Interestingly, the obtained CQDs can be served as a turn-off probe for Fe<sup>3+</sup>/Hg<sup>2+</sup> as well as a turn-on probe for norfloxacin (NOR). Additionally, the limits of detection (LODs) for Fe<sup>3+</sup>, Hg<sup>2+</sup>, and NOR were measured at 0.48 μM, 1.67 μM, and 0.80 μM, respectively, which were markedly superior to those previously reported for CQDs, demonstrating their effectiveness in detecting Fe<sup>3+</sup>, Hg<sup>2+</sup> and NOR in aqueous solutions. The fluorescence quenching of Fe<sup>3+</sup> and Hg<sup>2+</sup> was primarily attributed to the IFE and PET, respectively. In contrast, the fluorescence enhancement associated with NOR was predominantly due to hydrogen bonding interactions between CQDs and NOR, as well as the formation of complexes. The cytotoxicity assay revealed a cell viability rate exceeding 85 % at a concentration of 200 μg/mL, suggesting that the prepared CQDs have acceptable biocompatibility. This method proved successful in determining Fe<sup>3+</sup>, Hg<sup>2+</sup> and NOR in tap and river water samples, suggesting good application prosperity of the CQDs-based probe.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"182 ","pages":"Article 115550"},"PeriodicalIF":5.4,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145154814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

MnOx-CeOx symbiotic nanozyme with oxygen vacancy-enriched structure for enhanced antibacterial therapy 具有富氧结构的MnOx-CeOx共生纳米酶用于增强抗菌治疗

IF 5.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-09-22 DOI: 10.1016/j.inoche.2025.115521

Miaoyuan Zhang , Huijun Wang , Qing Jia , Jiafei Su , Yutian Yan , Yucai Hu , Zhengjie Ding , Jiayuan Zeng , Xiaoxia Wu , Qin Wen , Xiangqian Li

{"title":"MnOx-CeOx symbiotic nanozyme with oxygen vacancy-enriched structure for enhanced antibacterial therapy","authors":"Miaoyuan Zhang , Huijun Wang , Qing Jia , Jiafei Su , Yutian Yan , Yucai Hu , Zhengjie Ding , Jiayuan Zeng , Xiaoxia Wu , Qin Wen , Xiangqian Li","doi":"10.1016/j.inoche.2025.115521","DOIUrl":"10.1016/j.inoche.2025.115521","url":null,"abstract":"<div><div>The development of high-performance nanozymes for antibacterial treatment is critical to addressing global public health challenges. Herein, we report a novel MnOx-CeOx nanozyme with abundant oxygen vacancies (Ovs), synthesized via a H<sub>2</sub> activation strategy, which exhibits exceptional peroxidase-like (POD) activity and broad-spectrum antibacterial efficacy. Uniform CeO<sub>2</sub> nanorods were synthesized using a classic two-step hydrothermal method, followed by the growth of MnOx on the surface via atomic layer deposition. Subsequent H<sub>2</sub> reduction introduced Ovs into the MnOx-CeOx system, significantly enhancing its catalytic performance. Studies reveal that the Ov-rich structure facilitates efficient electron transfer, enabling the nanozyme to catalyze hydrogen peroxide into hydroxyl radicals as the primary reactive oxygen species. The optimized MnOx-CeOx nanozyme demonstrates potent antibacterial activity against both <em>S aureus</em> and <em>E. coli</em> achieving near-complete bacterial eradication under weakly acidic conditions. This work provides a strategic approach for designing high-performance nanozymes via defect engineering, offering promising solutions for antibiotic-free antibacterial therapies.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"182 ","pages":"Article 115521"},"PeriodicalIF":5.4,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145154817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Ti₃C₂Tₓ-engineered MoS₂/SiNWs multifunctional photocathode for Photoelectrochemical hydrogen generation and wastewater remediation Ti₃C₂Tₓ-工程MoS₂/SiNWs多功能光电阴极用于光电化学制氢和废水修复

IF 5.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-09-22 DOI: 10.1016/j.inoche.2025.115552

Sweta Sharma , Aditi Halder , Pooja Devi

{"title":"Ti₃C₂Tₓ-engineered MoS₂/SiNWs multifunctional photocathode for Photoelectrochemical hydrogen generation and wastewater remediation","authors":"Sweta Sharma , Aditi Halder , Pooja Devi","doi":"10.1016/j.inoche.2025.115552","DOIUrl":"10.1016/j.inoche.2025.115552","url":null,"abstract":"<div><div>The development of efficient and durable photocathodes for integrated hydrogen generation and wastewater treatment remains a critical challenge in photoelectrochemical (PEC) systems. This study pioneers a Ti₃C₂Tₓ MXene-engineered MoS₂/SiNWs photocathode, leveraging the superior charge transport, catalytic activity, and stability of MXenes to address the persistent limitations of MoS₂-based systems. The optimized Ti₃C₂Tₓ/MoS₂/SiNWs heterostructure demonstrates a remarkable photocurrent density of −0.10 mA/cm<sup>2</sup> at 0 V vs. RHE and an incident photon-to-current efficiency (IPCE) of 38.12 %, nearly doubling the performance of conventional MoS₂/SiNWs photocathodes. Additionally, it achieves an 80.80 % degradation of methylene blue (MB), reducing total organic carbon (TOC) to 1.52 mg/mL, while sustaining a hydrogen evolution rate of 9.32 μmol/h at −0.75 V vs. RHE. Electrochemical impedance spectroscopy (EIS) reveals an ultra-low charge transfer resistance of 102 Ω, confirming the enhanced charge separation and suppressed recombination losses. Mechanistic studies establish an S-scheme charge transfer pathway, where Ti₃C₂Tₓ synergistically promotes electron transport while facilitating reactive oxygen species (ROS)-driven organic degradation. This work advances the frontier of multifunctional PEC photocathodes by providing a scalable, high-efficiency platform for simultaneous sustainable hydrogen production and environmental remediation.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"182 ","pages":"Article 115552"},"PeriodicalIF":5.4,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145217007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

II-scheme heterojunction of photocatalyst for efficient degradation of antibiotics and dyes under visible-light irradiation 可见光下高效降解抗生素和染料的异质结光催化剂

IF 5.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-09-22 DOI: 10.1016/j.inoche.2025.115541

Yao Wang , Jiaying Ren , Maosen Ye , Bing Xu , Liang Zhang , Kangkang Wang , Zhixian He , Shengnan Zhang

{"title":"II-scheme heterojunction of photocatalyst for efficient degradation of antibiotics and dyes under visible-light irradiation","authors":"Yao Wang , Jiaying Ren , Maosen Ye , Bing Xu , Liang Zhang , Kangkang Wang , Zhixian He , Shengnan Zhang","doi":"10.1016/j.inoche.2025.115541","DOIUrl":"10.1016/j.inoche.2025.115541","url":null,"abstract":"<div><div>A novel II-scheme heterojunction composite Ag/Bi<sub>2</sub>O<sub>3</sub>/Bi<sub>5</sub>O<sub>7</sub>I (ABMBOI) was successfully synthesized through a combined solvothermal-calcination strategy. S-Scheme heterojunctions were prepared and strong interfacial electronic coupling was formed. The phase composition, microstructure, and optoelectronic properties of the as-prepared materials were systematically characterized by A series of characteristic means. The optimized ABMBOI33 composite (with Ag/Bi-MOF molar ratio of 1:1 and ABM3/Bi<sub>5</sub>O<sub>7</sub>I mass ratio of 1:3) demonstrated exceptional photocatalytic performance under visible light irradiation, achieving degradation efficiency of 96.8 % for RhodamineB (RhB) and 84.4 % for tetracycline (TC) within 70 min. This significant enhancement may be attributed to three synergistic effects: surface plasmon resonance (SPR) effect induced by Ag nanoparticles extending visible light absorption, the increase of active sites and the efficient charge separation enabled by the construction of II-scheme heterojunction architecture. Radical trapping experiments combined with electron spin resonance (ESR) analysis revealed that h<sup>+</sup>, <sup>1</sup>O<sub>2</sub> and ·OH served as the predominant reactive species in the degradation process of RhB, while h<sup>+</sup> and ·OH were identified as the primary contributors to TC decomposition. Furthermore, the effects of common inorganic anions, solution pH value and catalyst dosage on RhB degradation have also been systematically investigated.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"182 ","pages":"Article 115541"},"PeriodicalIF":5.4,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145216480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

An efficient and highly recyclable calcium-based metal-organic framework for green cyanosilylation and hydroboration catalytic reactions 用于绿色氰硅化和硼化氢催化反应的高效、高可回收的钙基金属有机骨架

IF 5.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-09-22 DOI: 10.1016/j.inoche.2025.115538

Mireya E. López-Vargas , Samuel Morales-Cámara , Juana M. Pérez , Pablo Salcedo-Abraira , Antonio Rodríguez-Diéguez , Sara Rojas , Ignacio Fernández

{"title":"An efficient and highly recyclable calcium-based metal-organic framework for green cyanosilylation and hydroboration catalytic reactions","authors":"Mireya E. López-Vargas , Samuel Morales-Cámara , Juana M. Pérez , Pablo Salcedo-Abraira , Antonio Rodríguez-Diéguez , Sara Rojas , Ignacio Fernández","doi":"10.1016/j.inoche.2025.115538","DOIUrl":"10.1016/j.inoche.2025.115538","url":null,"abstract":"<div><div>A new calcium-based metal–organic framework (MOF), named <strong>GR-MOF-32</strong>, with chemical formula {Ca(C<sub>20</sub>H<sub>10</sub>N<sub>2</sub>O<sub>4</sub>)·2H<sub>2</sub>O}<sub>n</sub> ({[Ca(BCA)] 2H<sub>2</sub>O}<sub>n</sub>), has been synthesized using the biquinoline ligand 2,2′-bicinchoninic acid (H₂BCA) via a solvothermal method. This MOF is homologous to the previously reported <strong>GR-MOF-11</strong> to <strong>14</strong> series (Sr, Y, Cd, Ba) and has been fully characterized through elemental and thermogravimetric analyses, Fourier transform infrared spectroscopy (FTIR), photoluminescence, dynamic light scattering, electrophoretic mobility, and single-crystal and powder X-ray diffraction (SCXRD and PXRD). The structural analysis reveals a highly connected framework that preserves the Janus-head topology of the ligand, similar to its homologous counterparts. The catalytic performance of <strong>GR-MOF-32</strong> was evaluated in cyanosilylation and hydroboration reactions showing excellent recyclability, maintaining high catalytic activity all over the seven cycles in both reactions, with only a marginal loss in calcium content and no significant structural changes as confirmed by PXRD and FTIR analysis. In comparison with its homologous catalysts (<strong>GR-MOFs 11–14</strong>), <strong>GR-MOF-32</strong> exhibited superior catalytic performance with a lower catalyst loading (0.2 mol%) and achieved full conversion for most substrates. This study expands the family of <strong>GR-MOFs</strong> with an s-block metal member such as calcium and highlights the potential of calcium-based MOFs in highly efficient catalyst in both cyanosilylation and hydroboration reactions.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"182 ","pages":"Article 115538"},"PeriodicalIF":5.4,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145154811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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