{"title":"Survey of a heteropoly acid-based organic-inorganic magnetic hybrid for effective removal of heavy metal ions from wastewater","authors":"Zeinab Karim Beigi , Arash Larki , Elahe Nasiri","doi":"10.1016/j.inoche.2025.114446","DOIUrl":"10.1016/j.inoche.2025.114446","url":null,"abstract":"<div><div>Heavy metal contamination in wastewater is a severe threat to both human health and the environment. In response to this challenge, a novel nano-magnetic heteropoly acid-based organic–inorganic hybrid adsorbent, CF@[Cu<sub>2</sub>(nic)(bpy)<sub>2</sub>]<sub>2</sub>[PTA], was developed for the efficient removal of multiple heavy metal ions. This synergistic adsorbent consists of copper-containing Keggin-type polyoxometalate-based hybrid immobilized on the surface of cobalt ferrite. It features highly electronegative surfaces enriched with oxo-functional groups and magnetic properties, as well as a large surface area. Characterization of the synergistic material was performed using various techniques, including FT-IR, FESEM-EDX, TEM, XRD, VSM, and TGA. The experimental results revealed that the optimal conditions for maximum metal ion removal were achieved at pH 6.5, with a 40 mg dosage of adsorbent, an initial ions concentration of 5.0 mg L<sup>−1</sup>, and an equilibrium time of 30 min. The CF@[Cu<sub>2</sub>(nic)(bpy)<sub>2</sub>]<sub>2</sub>[PTA] nanoadsorbent exhibited maximum adsorption capacities ranging from 20.5 to 158.7 mg g<sup>−1</sup> for the target ions. Kinetic and isotherm modeling showed that metal ions uptake followed a Langmuir isotherm model and a pseudo-second-order kinetic model, with negative ΔG° values indicating a spontaneous adsorption process. Overall, the CF@[Cu<sub>2</sub>(nic)(bpy)<sub>2</sub>]<sub>2</sub>[PTA] nanoadsorbent demonstrates great potential for heavy metal ions removal from wastewater, making it a promising material for cleaner wastewater treatment strategies.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"177 ","pages":"Article 114446"},"PeriodicalIF":4.4,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143758939","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}
Yuan-Yu Yang , Jian-Hua Xue , Qing-Zhi Han , Dong-Dong Yang , Jin-Yan Liu , Zhi-Xian Li , Yu-Jia Bai , Qi Ma
{"title":"The photo/electrochromic properties of a Cd(II)-viologen and its application in fluorescence detection of tryptophan, inkless printing and information transmission","authors":"Yuan-Yu Yang , Jian-Hua Xue , Qing-Zhi Han , Dong-Dong Yang , Jin-Yan Liu , Zhi-Xian Li , Yu-Jia Bai , Qi Ma","doi":"10.1016/j.inoche.2025.114443","DOIUrl":"10.1016/j.inoche.2025.114443","url":null,"abstract":"<div><div>Currently, viologen-based complexes are widely used in the study of photochromic and thermochromic properties. However, viologen-based complexes are rarely used in the study of fluorescent probes, especially probes for the detection of amino acids. Herein, a novel three-dimensional (3D) Cd-based framework ([Cd(cbpc)<sub>0.5</sub>(PTA)]<sub>n</sub> (<strong>1</strong>)) was constructed by the solvothermal method using the viologen ligand 1-(3-Carboxybenzyl)-4,4<strong>′</strong>-bipyridyl chloride (H<sub>2</sub>cbpc) and isophthalic acid (H<sub>2</sub>PTA) as organic functional building units. Complex <strong>1</strong> exhibits a high-contrast discoloration behavior through electron transfer when subjected to external stimuli (light and electricity), and the color of complex <strong>1</strong> changes from light yellow to light black and purple-black, respectively. It is noteworthy that complex <strong>1</strong> exhibits a rapid detection process of tryptophan in an aqueous environment, and displays an excellent low detection limit (LOD) and high anti-interference capability. Furthermore, complex <strong>1</strong> can be employed in inkless printing, information anti-counterfeiting and other light-mediated applications.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"177 ","pages":"Article 114443"},"PeriodicalIF":4.4,"publicationDate":"2025-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143746255","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}
{"title":"Phenyl thiosemicarbazide cyclization leads to the versatile 1,3,4-thiadiazole scaffold: Structural analysis of its copper(I) complex","authors":"Alessio Zavaroni , Giorgio Pelosi , Matteo Incerti , Mauro Carcelli , Dominga Rogolino","doi":"10.1016/j.inoche.2025.114432","DOIUrl":"10.1016/j.inoche.2025.114432","url":null,"abstract":"<div><div>In an attempt to extend the synthesis of N,N-dialkyl formamidines to thiosemicarbazides, we unexpectedly obtained 2-phenylamino-1,3,4-thiadiazole as the cyclization product. Since the coordination chemistry of this versatile scaffold is poorly investigated, we have examined its interaction with CuI, resulting in the isolation of a novel 1D coordination polymer. In this polymer, each copper(I) ion is coordinated to two nitrogen atoms from two different 1,3,4-thiadiazole ligands, along with two iodide ions, forming a distorted tetrahedral geometry. Notably, the copper(I) complex exhibits solid-state white emission.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"177 ","pages":"Article 114432"},"PeriodicalIF":4.4,"publicationDate":"2025-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143758940","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}
{"title":"g-C3N4/Ti-defective TiO2 p-n heterojunction to improve the photocatalytic CO2 reduction activity","authors":"Wen Liang, Yanqiu Yang, Zhiyu Liu, MeiXia Zhang, Lingru Kong, Peng Song","doi":"10.1016/j.inoche.2025.114453","DOIUrl":"10.1016/j.inoche.2025.114453","url":null,"abstract":"<div><div>Since its artificial synthesis, graphitic carbon nitride (g-C<sub>3</sub>N<sub>4</sub>) has exhibited extensive applicability across the realm of photocatalysis, showcasing its versatility and potential as a key material in this field. However, g-C<sub>3</sub>N<sub>4</sub> also has some drawbacks such as a smaller specific surface area, lower quantum efficiency, and faster electron-hole recombination rate, improving its photocatalytic efficiency remains a research question worth exploring. This paper successfully prepared g-C<sub>3</sub>N<sub>4</sub>/Ti-Defected TiO<sub>2</sub> p-n heterojunction composite materials and tested their activity in photocatalytic CO<sub>2</sub> reduction. We constructed Ti-Defected TiO<sub>2</sub> with p-type conductivity to improve its band structure and augment the quantity of active sites within the reaction environment. These sites, endowed with the capability to facilitate the reduction of carbon dioxide, are pivotal in optimizing the overall performance of the photocatalytic process. The establishment of p-n heterojunctions has induced the generation of an inherent electric field, efficacious in mitigating the undesirable recombination phenomenon between electrons and holes. This suppression mechanism is pivotal in enhancing the separation efficiency of charge carriers, thereby fostering the overall performance of photocatalytic reactions.</div><div>It can be seen from the results that under visible light irradiation, when the mass ratio of g-C<sub>3</sub>N<sub>4</sub> to Ti-deficient TiO<sub>2</sub> precursors is 1.1:2 (performed the reaction with 1.1 g g-C<sub>3</sub>N<sub>4</sub>, 30 ml of glycerol, 60 ml of ethanol, and 2 g of tetrabutyl titanate), the CO generation rate of the composite photocatalytic materials can reach 11.28 μmol h<sup>−1</sup> g<sup>−1</sup>, which is 3.8 times that of g-C<sub>3</sub>N<sub>4</sub> and 4.1 times that of Ti-deficient TiO<sub>2</sub>. The results of this study are of great significance for the strategic design of g-C<sub>3</sub>N<sub>4</sub>-based heterogeneous photocatalysts, providing valuable insights and guidance for optimizing their structural and functional properties.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"177 ","pages":"Article 114453"},"PeriodicalIF":4.4,"publicationDate":"2025-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143738692","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}
Khadejah D. Otaif , Safa Mnefgui , Elsayed Elgazzar
{"title":"Development of Prussian blue analogue nanosheets as highly efficient photocatalysts for the degradation of organic pollutants in water sources","authors":"Khadejah D. Otaif , Safa Mnefgui , Elsayed Elgazzar","doi":"10.1016/j.inoche.2025.114421","DOIUrl":"10.1016/j.inoche.2025.114421","url":null,"abstract":"<div><div>The incremental contamination of aquatic systems by toxic dyes serves as a reminder of the urgent need to develop efficient photocatalytic materials for water purification. In this study, Prussian Blue analogue (PdTCNi/HCFe) nanosheets were synthesized using a straightforward chemical co-precipitation technique and assessed for their ability to photodegrade Crystal Violet (CV), a representative organic pollutant. Characterization through X-ray diffraction, Energy-Dispersive X-ray spectroscopy, Scanning Electron Microscopy, and Transmission Electron Microscopy demonstrated that the nanosheets exhibited a polycrystalline structure, reduced crystallite size, and a large surface area, factors that are critical for improved photocatalytic performance. Optical measurements revealed a band gap of 2.96 eV, making these nanosheets effective under UV irradiation. The Box-Behnken Design and Analysis of Variance were utilized to optimize the key experimental parameters, further enhancing the photocatalytic efficiency. At pH 7, over 99 % of the CV dye was degraded within 60 min. Kinetic analysis provided that the photodegradation followed a pseudo-first-order reaction model. Thermodynamic evaluation indicated that the process was both spontaneous and endothermic, suggesting that the photocatalytic degradation of CV is more favorable at higher temperatures. These findings demonstrate the promising potential of PdTCNi/HCFe nanosheets as an affordable and sustainable photocatalyst for the remediation of organic pollutants in aquatic environments.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"177 ","pages":"Article 114421"},"PeriodicalIF":4.4,"publicationDate":"2025-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143746198","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}
{"title":"Electrodeposition of poly(aniline-co-4-nitroaniline)/CoAl-layered double hydroxide composites as electrode materials for supercapacitor applications","authors":"Seyyed Mohammad Hossein Jafari-Mousavi, Fatemeh Ahmadi Peyghan, Meysam Mirzaei-Saatlo, Elnaz Asghari","doi":"10.1016/j.inoche.2025.114450","DOIUrl":"10.1016/j.inoche.2025.114450","url":null,"abstract":"<div><div>One significant area of global technological growth is power management and energy storage, and supercapacitors (SCs) offer incredibly effective technology in these areas. SCs may exhibit variable performance depending on the electrode materials, electrolytes, designs, and fabrication techniques. This study investigates the electrochemical performance of an organic conductive copolymer composite and an inorganic layered material as electrode material for supercapacitor application. For the first time, this project presents a strategy to use 4NPANI (Poly(aniline-co-4-Nitroaniline))/CoAl-LDH synthesized by electrodeposition method as an effective electrode material. The electrochemical behavior of their composite(4NPANI/CoAl-LDH) and 4NPANI in supercapacitors was then examined—a three-electrode cell with 1 M KOH as the electrolyte was used for the studies. Electrochemical impedance spectroscopy (EIS), Cyclic voltammetry (CV), and galvanostatic charge–discharge (GCD) methods were accustomed to assess the electrochemical execution of supercapacitors using a three-electrode system, the 4NPANI/CoAl-LDH composite showed a maximum energy density of 15.38 Wh kg<sup>−1</sup> and a maximal specific capacitance of 547.01 F g<sup>−1</sup> at a current density of 1 A g<sup>−1</sup> in this work.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"177 ","pages":"Article 114450"},"PeriodicalIF":4.4,"publicationDate":"2025-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143738690","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}
{"title":"g-C3N4/MnO2 coated cotton fabric as effective dip-catalyst for organic dyes degradation via persulfate activation","authors":"Ali Majdoub , Mohammed Majdoub , Hicham Zaitan","doi":"10.1016/j.inoche.2025.114447","DOIUrl":"10.1016/j.inoche.2025.114447","url":null,"abstract":"<div><div>The purpose of this study is to assess the catalytic efficiency of a new catalyst, MnO<sub>2</sub>@g-C<sub>3</sub>N<sub>4</sub>-CF, for the advanced oxidation-based degradation of organic pollutants. Manganese oxide (MnO<sub>2</sub>) and graphitic carbon nitride (g-C<sub>3</sub>N<sub>4</sub>) make up the active catalyst, while cotton fabric (CF) serves as an inert support. The catalyst was prepared by sonicating g-C<sub>3</sub>N<sub>4</sub> onto the CF, followed by deposition of MnO<sub>2</sub> nanoparticles, resulting in the effective and sustainable “dip catalyst” MnO<sub>2</sub>@g-C<sub>3</sub>N<sub>4</sub>-CF. The synthetized materials, including g-C<sub>3</sub>N<sub>4</sub>, MnO<sub>2</sub>, and MnO<sub>2</sub>@g-C<sub>3</sub>N<sub>4</sub>-CF were characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), X-ray diffraction (XRD), thermogravimetric analysis (TGA) and X-ray photoelectron spectroscopy (XPS). The composite was tested for its ability to oxidize organic dyes, including methyl orange (MO), congo red (CR), malachite green (MG) and rhodamineB (RhB), using an enhanced oxidation process with persulfate acting as an oxidant. Furthermore, the effects of a several parameters on the degradation kinetics were carefully investigated, including pH, composite surface, MnO<sub>2</sub> loading (%), persulfate, and MO concentration. After 60 min of the reaction, a removal efficiency of 84 % of MO was achieved, using a (3 cm × 3 cm) MnO<sub>2</sub>@g-C<sub>3</sub>N<sub>4</sub>-CF surface. The synthesized composite demonstrated remarkable durability, maintaining consistent catalytic activity without any notable decline even after five reaction cycles. Additionally, it was demonstrated that the principal reactive oxidative species (ROSs) responsible for the highly efficient degradation of MO were SO<sub>4</sub><sup>•</sup><strong><sup>−</sup></strong> and •OH. Finally, the catalyst durability and reuse revealed the fact that MnO<sub>2</sub>@g-C<sub>3</sub>N<sub>4</sub>-CF could be used as a heterogeneous catalyst for dyes oxidation and environmental remediation.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"177 ","pages":"Article 114447"},"PeriodicalIF":4.4,"publicationDate":"2025-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143746197","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}
Soufyane Belhachi , Saidi Samah , Sahar Abdalla , Muhammad Waqas Iqbal , Jehan Y. Al-Humaidi , Maha G. Batterjee , Mohammed M. Rahman
{"title":"Comprehensive exploration of rare-earth chalcogenides: A DFT-based investigation into their optoelectronic, elastic, thermomechanical and magnetic properties for advanced functional and high-temperature applications","authors":"Soufyane Belhachi , Saidi Samah , Sahar Abdalla , Muhammad Waqas Iqbal , Jehan Y. Al-Humaidi , Maha G. Batterjee , Mohammed M. Rahman","doi":"10.1016/j.inoche.2025.114442","DOIUrl":"10.1016/j.inoche.2025.114442","url":null,"abstract":"<div><div>Gd<sub>2</sub>MgSe<sub>4</sub> and Tb<sub>2</sub>MgSe<sub>4</sub>, characterized by their stable cubic structures, mechanical stiffness reflecting their strong interatomic bonding and favorable formation energies, emerge as promising materials for applications in energy storage and optoelectronic devices such as light-emitting diodes (LEDs) and laser diodes. First-principles DFT calculations were employed within GGA and GGA + U approximations to investigate their structural, electronic, mechanical, elastic, thermodynamic, and optical properties. It was found that the FM state is energetically more stable than the NM state for both materials. Both compounds demonstrated direct bandgaps at the Γ point, with values of 1.05 eV (spin-up) and 1.37 eV (spin-down) for Gd<sub>2</sub>MgSe<sub>4</sub>, and 1.15 eV (spin-up) and 1.37 eV (spin-down) for Tb<sub>2</sub>MgSe<sub>4</sub>, respectively, suggesting their potential for infrared optoelectronic devices. Mechanical analysis revealed their mechanical stability, with moderate stiffness and brittle behavior. Thermodynamic calculations yielded Debye temperatures of 257.03 and 268.88 K for Tb<sub>2</sub>MgSe<sub>4</sub> and Gd<sub>2</sub>MgSe<sub>4,</sub> respectively, indicative of relatively low thermal conductivity, a desirable property for thermoelectric applications. Optical properties analysis, encompassing absorption coefficient, refractive index, and dielectric function, revealed strong absorption in the visible to near-infrared region. The observed spectral peaks attributed to interband transitions further solidify these compounds as promising candidates for optoelectronic applications, including photovoltaic cells, photodetectors, and light-emitting diodes.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"177 ","pages":"Article 114442"},"PeriodicalIF":4.4,"publicationDate":"2025-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143746270","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}
Yifei Zhang , Wanyi Xue , Yan Ding , Jin Chen , Xinxin Xu
{"title":"FeCo alloy modified MoN electrocatalyst with excellent ORR and OER activities for Zn-air battery","authors":"Yifei Zhang , Wanyi Xue , Yan Ding , Jin Chen , Xinxin Xu","doi":"10.1016/j.inoche.2025.114374","DOIUrl":"10.1016/j.inoche.2025.114374","url":null,"abstract":"<div><div>Regarded as a burgeoning energy conversion and storage device, Zn-air battery achieves charge/discharge through oxygen evolution reaction (OER) and oxygen reduction reaction (ORR). However, the sluggish kinetics of ORR and OER affects charge/discharge performance of Zn-air battery significantly. MoN-based electrocatalysts exhibit ORR and OER activities. However, it is necessary to further improve their performance when they are used in Zn-air battery. Herein, bifunctional electrocatalyst, namely <strong>FeCo/MoN@NCNTs</strong> (NCNTs = N-doped carbon nanotubes), is synthesized, with FeCo and MoN particles evenly distributed in NCNTs. It shows typical four-electron character in ORR with perfect activity. In OER, it exhibits low overpotential and Tafel slope. In both ORR and OER, <strong>FeCo/MoN@NCNTs</strong> demonstrates high stability. When taken as electrocatalyst in Zn-air battery, it achieves a peak power density of 100.4 mW cm<sup>−2</sup>. At 1 mA cm<sup>−2</sup>, the specific capacitance and energy density reach 860.2 mAh g<sup>−1</sup> and 1101.1 Wh kg<sup>−1</sup>. This Zn-air battery also exhibits high rating capacity and stability. By developing an excellent bifunctional electrocatalyst for Zn-air battery, this study contributes a feasible solution to enhancing the ORR and OER activities of MoN-based electrocatalyst.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"177 ","pages":"Article 114374"},"PeriodicalIF":4.4,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143734929","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}
{"title":"Optimization for environmental remediation of direct blue 80 dye using pomegranate peel extract-driven green synthesis of Fe3O4@Cu3(BTC)2","authors":"Howaida M. Abd El Salam","doi":"10.1016/j.inoche.2025.114415","DOIUrl":"10.1016/j.inoche.2025.114415","url":null,"abstract":"<div><div>The inclusion of dyes in discharges is an important issue appropriate to their ability to negatively impact living things. An innovative, effortless, and highly efficient technique for developing a magnetic Fe<sub>3</sub>O<sub>4</sub>@Cu<sub>3</sub>(BTC)<sub>2</sub> as a sorbent for removal organic molecules from aqueous solution is evaluated for removal of direct blue 80 (DB80) as a case study. The as-synthesized hybrid nanocomposite was investigated using XRD, FTIR, BET, TEM, XPS, and VSM approaches. The novel adsorbents merge the benefits of MOFs with magnetic nanoparticles, with their great capacity, quick removal and simple solid-phase separation, making them effective sorbents for wastewater treatment. The resulting magnetic Fe<sub>3</sub>O<sub>4</sub>@ Cu<sub>3</sub>(BTC)<sub>2</sub> composites have a superior magnetic response (24.16 emu g<sup>−1</sup>), as well as mechanical stability, which leads to separation quickly in just a few minutes when predominate to an external magnetic field. At an initial dye concentration of 50 mg/L, contact period of 60 min, and adsorbent content of 5 mg, the maximum adsorption efficiency of 97.21 % for Fe<sub>3</sub>O<sub>4</sub>@Cu<sub>3</sub>(BTC)<sub>2</sub> was achieved, compared to 85.11 % for Cu<sub>3</sub>(BTC)<sub>2</sub>. Kinetic parameters revealed pseudo-second-order, and adsorption was specified by the Langmuir isotherm where q<sub>e</sub> (mg/g) = 92.18 and R<sup>2</sup> = 0.9997. Additionally, the remarkable reusability of the Fe<sub>3</sub>O<sub>4</sub>@Cu<sub>3</sub>(BTC)<sub>2</sub> adsorption agent, which maintains its effectiveness for at least five consecutive cycles. The effects of adsorbent dosage, contacting time, and pH had the greatest influence on DB80 uptake, according to the statistical analysis conducting using response surface methodology (RSM). Fe<sub>3</sub>O<sub>4</sub>@Cu<sub>3</sub>(BTC)<sub>2</sub> exhibit potential for treating DB80 in an environmentally friendly way.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"177 ","pages":"Article 114415"},"PeriodicalIF":4.4,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143746345","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}