Inorganic Chemistry Communications最新文献_第6页

Green and cost-effective production of highly efficient 2D-graphene/Nano-metal heterogeneous systems for organic transformations 绿色和经济高效的生产用于有机转化的2d -石墨烯/纳米金属异质系统

IF 5.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2025-12-30 DOI: 10.1016/j.inoche.2025.116119

Balathandapani Narayanan , Vanaraj Ramkumar , Datchinamoorthy Thirupathi , Ramasamy Uthayamalar , Gunasekaran Raja , Mayakrishnan Gopiraman , Seong Cheol Kim , Ganesan Ayyannan

The development of cost-effective and sustainable catalysts is crucial for replacing noble-metal systems in selective organic transformations. Here, the present work addresses a green and scalable route for the synthesis of graphene-supported iron oxide (G-FeO) nanocomposites via a simple impregnation-calcination method. The resulting nanocomposite consists of uniformly dispersed FeO nanoparticles with an average crystallite size of ∼9–10 nm, strongly anchored onto graphene sheets. Comprehensive characterization using UV–Vis, FTIR, TEM, XRD, SEM/EDS, and XPS confirmed nanoscale crystallinity, robust Fe-graphene bonding, and the coexistence of mixed-valence Fe²⁺/Fe³⁺ states. Catalytic performance was evaluated in the aerobic oxidation of benzyl alcohol under ambient air. The G-FeO catalyst achieved 94 % conversion and 98 % selectivity to benzaldehyde at 120 °C, far outperforming metal-free graphene and unsupported Fe oxides. Notably, the catalyst exhibited excellent durability, retaining >90 % of its activity over three successive cycles with negligible structural degradation, as confirmed by post-reaction analyses. The enhanced activity is attributed to the synergistic interplay between Fe²⁺/Fe³⁺ redox centres and graphene-mediated electron transport, which enables efficient oxygen activation and suppresses charge recombination. This study demonstrates that G-FeO nanocomposites provide a robust, recyclable, and environmentally benign alternative to noble-metal catalysts. Their simple synthesis, high efficiency, and strong structure-property correlation highlight their promise not only for selective oxidations but also for broader applications in green organic synthesis, energy conversion, and environmental remediation.

开发具有成本效益和可持续性的催化剂对于在选择性有机转化中取代贵金属系统至关重要。在这里，本研究提出了一种绿色且可扩展的途径，通过简单的浸渍-煅烧方法合成石墨烯负载的氧化铁（G-FeO）纳米复合材料。所得的纳米复合材料由均匀分散的FeO纳米颗粒组成，平均晶粒尺寸为~ 9-10 nm，牢固地固定在石墨烯片上。通过UV-Vis、FTIR、TEM、XRD、SEM/EDS和XPS等综合表征，证实了材料的纳米级结晶度、铁-石墨烯键的坚固性以及混合价态Fe2+/Fe3+的共存。考察了环境空气条件下苯甲醇的好氧氧化催化性能。G-FeO催化剂在120°C下对苯甲醛的转化率为94%，选择性为98%，远远优于无金属石墨烯和无负载铁氧化物。值得注意的是，催化剂表现出优异的耐久性，在连续三个循环中保持了90%的活性，反应后分析证实，结构降解可以忽略不计。增强的活性归因于Fe2+/Fe3+氧化还原中心和石墨烯介导的电子传递之间的协同相互作用，从而实现有效的氧活化和抑制电荷重组。这项研究表明，G-FeO纳米复合材料提供了一种坚固、可回收、环保的贵金属催化剂替代品。它们的合成简单、效率高、结构-性能相关性强，不仅在选择性氧化方面具有广阔的应用前景，而且在绿色有机合成、能量转换和环境修复等方面也具有广阔的应用前景。

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引用次数: 0

Interfacial electronic regulation of a self-supported Cum(Mo3S11)n-NF catalyst for efficient Fenton-like degradation of ranitidine 自支撑型Cum(Mo3S11)n-NF催化剂对雷尼替丁类fenton高效降解的界面电子调控

IF 5.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2025-12-30 DOI: 10.1016/j.inoche.2025.116129

Yanfei Zhou , Yangyang Chen , Mengjie Liu , Shikun Hai , Yanying Cai , Qian Wang , Gang Qin , Yue Li

A self-supported Cu_m(Mo₃S₁₁)_n-NF catalyst was synthesized via a coordination-driven self-assembly strategy for efficient Fenton-like degradation of ranitidine (RAN). Structural analyses confirmed the formation of a Cu-S-Mo interface that facilitated charge redistribution and enhanced electron transfer between active sites. Under optimal conditions, this catalyst achieves a 97.14 % RAN degradation rate within 60 min. Quenching experiments and electron paramagnetic resonance (EPR) results indicate that •OH is the dominant active species, accompanied by the presence of •O₂⁻ and ¹O₂. XPS spectroscopy revealed redox reactions between Cu²⁺/Cu⁺ and Mo⁴⁺/Mo⁵⁺/Mo⁶⁺, confirming their synergistic role in H₂O₂ activation and Fe³⁺/Fe²⁺ cycling. Density functional theory calculations indicated that Cu insertion enhanced charge delocalization effects and increased the exposure of molybdenum active sites. Additionally, this catalyst demonstrates excellent adaptability across various aqueous matrices while minimizing the presence of iron sludge in the solution. This study highlights the significance of interfacial electron regulation in metal sulfides, which holds great promise for achieving sustainable advanced oxidation processes in wastewater purification.

通过配位驱动的自组装策略合成了一种自支撑的um(Mo3S11)n-NF催化剂，用于雷尼替丁（RAN）的fenton类高效降解。结构分析证实了Cu-S-Mo界面的形成，促进了活性位点之间的电荷再分配和电子转移。在最佳条件下，该催化剂在60 min内实现97.14%的RAN降解率。猝灭实验和电子顺磁共振（EPR）结果表明，•OH是主要的活性物质，同时存在•O2−和1O2。XPS光谱揭示了Cu2+/Cu+和Mo4+/Mo5+/Mo6+之间的氧化还原反应，证实了它们在H2O2活化和Fe3+/Fe2+循环中的协同作用。密度泛函理论计算表明，Cu的插入增强了电荷离域效应，增加了钼活性位点的暴露。此外，该催化剂在各种水性基质中表现出出色的适应性，同时最大限度地减少了溶液中铁污泥的存在。该研究强调了金属硫化物中界面电子调控的重要性，这对于实现废水净化中可持续的高级氧化工艺具有很大的希望。

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引用次数: 0

Recent progress on magnetic gold nanocatalysts for nitroarene reduction 磁性金纳米催化剂还原硝基芳烃的研究进展

IF 5.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2025-12-30 DOI: 10.1016/j.inoche.2025.116123

Sara Payamifar , Majid Abdouss , Ahmad Poursattar Marjani

The swift advancement in nitro compound reduction has become a powerful and widely applied transformation, enabling the formation of amino-containing compounds. In organic chemistry, amines play a crucial role as intermediates in the synthesis of pharmaceuticals, bioactive molecules, dyes, polymers, and various other chemical products. Anchoring homogeneous catalysts onto solid supports combines the advantages of both homogeneous and heterogeneous catalysis, making it a prominent area of modern catalysis research. Magnetic nanoparticles (MNPs) have attracted considerable attention owing to their distinctive attributes, including a high surface-to-volume ratio, low toxicity, thermal stability, excellent catalytic activity, and ease of surface functionalization and dispersion. These magnetic nanocatalysts can be effortlessly recovered from reaction mixtures using an external magnet, eliminating the need for complex separation techniques such as filtration or centrifugation. Recently, the development of gold nanocatalysts supported on magnetic nanoparticles has marked a new chapter in gold catalysis. Their catalytic efficiency has been explored across a range of organic transformations. This review explicitly highlights the use of magnetically recoverable gold nanocatalysts for the reduction of nitroarenes, covering the period from 2020 to 2025.

硝基化合物还原的迅速发展成为一种强大而广泛应用的转化，使含氨基化合物的形成成为可能。在有机化学中，胺作为合成药物、生物活性分子、染料、聚合物和各种其他化学产品的中间体起着至关重要的作用。将均相催化剂锚定在固体载体上，结合了均相催化和多相催化的优点，是现代催化研究的一个突出领域。磁性纳米颗粒（MNPs）由于其高表面体积比、低毒性、热稳定性、优异的催化活性以及易于表面功能化和分散等特性而受到广泛关注。这些磁性纳米催化剂可以使用外部磁铁毫不费力地从反应混合物中回收，无需复杂的分离技术，如过滤或离心。近年来，磁性纳米颗粒负载的金纳米催化剂的发展标志着金催化的新篇章。它们的催化效率已经在一系列有机转化中得到了探索。本综述明确强调了磁性可回收金纳米催化剂在减少硝基芳烃方面的应用，时间跨度为2020年至2025年。

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引用次数: 0

Robust FeCo alloy aerogels for industrial-grade water oxidation Electrocatalysis 坚固的FeCo合金气凝胶用于工业级水氧化电催化

IF 5.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2025-12-30 DOI: 10.1016/j.inoche.2025.116083

Lin Guan , Su Yan , Yangguang Zhu , Da Zhang , Lijin Xu , Xiao Wang , Gang Ao

The development of efficient oxygen evolution reaction electrocatalysts capable of operating at industrial-level current densities (1 A cm⁻²) remains a major bottleneck for clean energy. This work tackles this challenge by constructing three-dimensional FeCo alloy aerogels via a straightforward co-reduction strategy. The unique porous architecture of the optimized Fe1Co2 catalyst enables unparalleled electron and mass transport, registering merely 333 mV even under a high current density of 1 A cm⁻². Moreover, the Fe1Co2 product delivers an outstanding endurability of 120 h continuous voltage output under 1 A cm⁻². Similarly noteworthy is its mass activity, which reaches 226.1 A g⁻¹ at an overpotential of 300 mV. This value exceeds those of commercial benchmark catalysts IrO₂ and RuO₂ by factors of 14.1 and 12.1, respectively. Furthermore, an electrolyzer assembled with Fe1Co2 as the anode and 40%Pt/C as the cathode operates at a lower cell voltage than systems employing noble-metal anodes, confirming its viability for industrial water splitting.

开发能够在工业水平电流密度（1 A cm−2）下工作的高效析氧反应电催化剂仍然是清洁能源的主要瓶颈。这项工作通过直接的共还原策略构建三维FeCo合金气凝胶来解决这一挑战。优化后的Fe1Co2催化剂具有独特的多孔结构，能够实现无与伦比的电子和质量输运，即使在1 a cm−2的高电流密度下，其电流也仅为333 mV。此外，Fe1Co2产品在1a cm−2的电压下提供了120小时连续输出的出色耐久性。同样值得注意的是它的质量活度，在过电位为300 mV时达到226.1 A g−1。这一数值比商用基准催化剂IrO2和RuO2分别高出14.1和12.1倍。此外，与使用贵金属阳极的系统相比，以Fe1Co2为阳极，40%Pt/C为阴极的电解槽在更低的电池电压下运行，证实了其在工业水分解方面的可行性。

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引用次数: 0

Experimental and theoretical investigations of symmetrical brominated Schiff base complexes: Electrochemical properties and molecular docking studies 对称溴化席夫碱配合物的实验和理论研究：电化学性质和分子对接研究

IF 5.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2025-12-30 DOI: 10.1016/j.inoche.2025.116090

Hadi Kargar , Maciej Kubicki , Fatemeh Abyar , Hamid Reza Zare-Mehrjardi , Khurram Shahzad Munawar , Muhammad Ashfaq , Mehdi Fallah-Mehrjardi

A brominated tetradentate Schiff base ligand (H₂L) derived from 3,5-dibromosalicylaldehyde and 4,5-dimethyl-1,2-phenylenediamine was synthesized and characterized. The corresponding Cu(II), Ni(II), and Zn(II) complexes were obtained and structurally confirmed through FT-IR, NMR spectroscopy, and elemental analysis. Single-crystal X-ray diffraction of the free ligand showed the enol tautomer stabilized by intramolecular OH···N hydrogen bonding. UV–Visible spectroscopy and supporting theoretical studies confirmed coordination and metal-dependent electronic transitions. The electrochemical behavior of the compounds revealed irreversible redox features under physiological pH. Spectroscopic and computational results indicate effective chelation through the ONNO donor set and support geometries typical of salophen-type complexes. The combined findings provide insight into the coordination behavior and structure-property relationships of the ligand and its transition-metal complexes. Molecular docking studies with DNA and BSA suggest notable interaction potential, supporting the relevance of the complexes for future biological evaluation.

以3,5-二溴水杨醛和4,5-二甲基-1,2-苯二胺为原料合成了溴化四齿希夫碱配体（H2L）。得到了相应的Cu（II）、Ni（II）和Zn（II）配合物，并通过FT-IR、NMR和元素分析对其结构进行了证实。自由配体的单晶x射线衍射表明，烯醇互变异构体被分子内氢键OH···N稳定。紫外可见光谱和支持理论研究证实了配位和金属依赖的电子跃迁。在生理ph值下，化合物的电化学行为显示出不可逆的氧化还原特征。光谱和计算结果表明，通过ONNO供体集和典型的salopen型配合物的支撑几何结构，化合物具有有效的螯合作用。这些发现为该配体及其过渡金属配合物的配位行为和结构性质关系提供了新的见解。与DNA和牛血清白蛋白的分子对接研究显示出显著的相互作用潜力，支持复合物与未来生物学评价的相关性。

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引用次数: 0

Facile synthesis of sustainable and novel polymer-supported COF for high-efficiency dye photodegradation 高效光降解染料用新型聚合物负载COF的快速合成

IF 5.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2025-12-30 DOI: 10.1016/j.inoche.2025.116096

Hedyeh Rahimisadegh , Bita Ayati , Mohammad Hossein Sayadi

Photocatalysis, a light-driven degradation process based on the generation of electron–hole pairs under irradiation, has emerged as a sustainable and efficient method for removing persistent organic pollutants. However, the rapid recombination of photogenerated electron–hole pairs remains a major limitation to improving the photocatalytic efficiency of many materials, including covalent organic frameworks (COFs). In this study, a melamine-based COF (SNW-1) supported by polyaniline (PANI) and β-cyclodextrin (β-CD) (PANI/β-CD/SNW-1) was synthesized, exploiting the electrical conductivity of PANI, the pollutant-trapping capability of β-CD, and the recombination-suppression effects arising from their integration. The structural, morphological, thermal, and optical properties of the nanocomposite were comprehensively characterized using X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), Brunauer–Emmett–Teller (BET) surface area analysis, thermogravimetric analysis (TGA), photoluminescence (PL) spectroscopy, and UV–visible diffuse reflectance spectroscopy (DRS). The photocatalytic performance of the nanocomposite was evaluated using Acid Blue 25 (AB25) dye as a model pollutant. Under ultraviolet-C (UV-C) irradiation at pH 7 and 25 °C, with a catalyst dosage of 0.8 g/L, 96.66 % of a 150 mg/L AB25 solution was degraded within 30 min. Scavenger experiments confirmed that photogenerated holes (h⁺) play the dominant role in the photocatalytic mechanism, while chemical oxygen demand (COD) and total organic carbon (TOC) analyses verified effective mineralization of the pollutant. The photocatalyst maintained high activity over five consecutive cycles, with only a slight decrease in degradation efficiency to 81.16 %. These results demonstrate that the PANI/β-CD/SNW-1 nanocomposite is a stable, recyclable, and highly efficient photocatalyst with strong potential for practical wastewater treatment applications.

光催化是一种基于在照射下产生电子-空穴对的光驱动降解过程，已成为一种可持续和有效的去除持久性有机污染物的方法。然而，光生电子-空穴对的快速重组仍然是提高许多材料光催化效率的主要限制，包括共价有机框架（COFs）。本研究利用聚苯胺（PANI）和β-环糊精（β-CD）（PANI/β-CD/SNW-1）的导电性、β-CD的捕集能力以及两者结合产生的抑制重组效应，合成了以聚苯胺（PANI）和β-环糊精（β-CD）为载体的三聚氰胺基COF （SNW-1）。利用x射线衍射（XRD）、场发射扫描电子显微镜（FESEM）、布鲁诺尔-埃米特-泰勒（BET）表面积分析、热重分析（TGA）、光致发光（PL）光谱和紫外可见漫反射光谱（DRS）对纳米复合材料的结构、形态、热学和光学性能进行了全面表征。以酸性蓝25 （AB25）染料为模型污染物，对纳米复合材料的光催化性能进行了评价。在pH为7、温度为25℃的紫外-C （UV-C）照射下，催化剂用量为0.8 g/L， 150mg /L的AB25溶液在30 min内降解率为96.66%。清除率实验证实了光生空穴（h+）在光催化机制中起主导作用，化学需氧量（COD）和总有机碳（TOC）分析证实了污染物的有效矿化作用。在连续5次循环中，光催化剂保持了较高的活性，降解效率仅略有下降，达到81.16%。这些结果表明，聚苯胺/β-CD/SNW-1纳米复合材料是一种稳定、可回收、高效的光催化剂，具有很强的实际废水处理潜力。

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引用次数: 0

Advances in POPs for environmental applications: a comparative analysis with MOFs and ZIFs 用于环境应用的持久性有机污染物的进展：与MOFs和zfs的比较分析

IF 5.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2025-12-29 DOI: 10.1016/j.inoche.2025.116116

Alireza Pourvahabi Anbari , Shima Rahmdel Delcheh , Alireza Ranjbari , Kumar Shrestha , Tatwadhika Rangin Siddhartha , Francis Verpoort , Serge Zhuiykov

Porous nanomaterials with high surface-to-volume ratios have attracted increasing attention for adsorption, catalysis, and environmental remediation. Metal–organic frameworks (MOFs), including their zeolitic imidazolate framework (ZIF) subclass, exhibit outstanding adsorption capacities and catalytic activity but often suffer from limited stability in aqueous environments, metal leaching, and high synthesis costs. In contrast, porous organic polymers (POPs) offer superior chemical robustness, scalability, and structural tunability, albeit with generally lower intrinsic activity. This review critically compares MOFs/ZIFs and POPs in terms of structural features, adsorption and catalytic performance, and environmental applications. Particular emphasis is placed on emerging MOF–POP hybrid materials, which integrate high activity with enhanced stability and durability. Finally, current challenges and future opportunities for developing sustainable porous materials for pollutant removal and green catalysis are discussed.

具有高表面体积比的多孔纳米材料在吸附、催化和环境修复等方面受到越来越多的关注。金属有机骨架（MOFs），包括其沸石咪唑酸骨架（ZIF）亚类，具有出色的吸附能力和催化活性，但在水环境中稳定性有限，金属浸出，合成成本高。相比之下，多孔有机聚合物（pop）具有优越的化学稳健性、可扩展性和结构可调性，尽管其固有活性通常较低。本文从结构特征、吸附和催化性能以及环境应用等方面对mof /ZIFs和POPs进行了比较。特别强调的是新兴的MOF-POP混合材料，它将高活性与增强的稳定性和耐久性结合在一起。最后，讨论了开发可持续多孔材料用于污染物去除和绿色催化的当前挑战和未来机遇。

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引用次数: 0

Azo-based Schiff base as a turn-off fluorescent sensor for Fe3+ and its photophysical study 偶氮基席夫碱作为Fe3+关闭型荧光传感器及其光物理研究

IF 5.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2025-12-29 DOI: 10.1016/j.inoche.2025.116117

Anil Kuwar , Karunesh Keshav , SaiPrasad Santre , Vidya Kokane , Sambhaji P. Vartale , Madan Ambhore , Narinder Singh , Ratnamala Bendre

A novel azo dye–based Schiff base receptors 1 and 2 were designed and synthesized via a sequence of steps and characterized by ¹H NMR and single crystal X-ray crystallography. The cation recognition properties of receptor 2 were systematically investigated using fluorescence spectroscopy. Notably, receptor 2 displayed a distinct “turn-off” fluorescence response that was highly selective towards Fe³⁺ ions, with no significant interference from other tested cations. The binding studies revealed a detection limit as low as 2.5 μM, demonstrating the high sensitivity of receptor 2. Furthermore, the practical applicability of receptor 2 was validated by successfully determining Fe³⁺ levels in a pharmaceutical drug sample. These findings highlight the design synthesis of new receptor 2 as a promising, cost-effective fluorescent receptor for the selective detection of Fe³⁺ ions.

通过一系列步骤设计合成了一种新型偶氮染料基希夫碱受体1和2，并用1H NMR和单晶x射线晶体学对其进行了表征。利用荧光光谱技术系统地研究了受体2的阳离子识别特性。值得注意的是，受体2显示出明显的“关闭”荧光反应，对Fe3+离子具有高度选择性，没有其他被测阳离子的明显干扰。结合研究显示，检测限低至2.5 μM，证明了受体2的高灵敏度。此外，通过成功测定药物样品中的Fe3+水平，验证了受体2的实际适用性。这些发现突出了设计合成新的受体2作为一种有前途的，具有成本效益的荧光受体，用于选择性检测Fe3+离子。

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引用次数: 0

Probing the structural, mechanical, electronic, thermodynamic, and optical properties of K3TO (T = Cu, Ag, Au) Antiperovskites for optoelectronic applications using the DFT framework 利用DFT框架探测用于光电应用的K3TO （T = Cu, Ag, Au）反钙钛矿的结构、机械、电子、热力学和光学性质

IF 5.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2025-12-29 DOI: 10.1016/j.inoche.2025.116103

Tehreem Fatima , Abdul Waheed Anwar , Abid Ali , Kiran Fatima

Antiperovskite compounds have become a primary focus of research in energy harvesting and optoelectronics technologies. This work examined the structural, mechanical, electronic, optical, and thermodynamic properties of K₃TO (T = Cu, Ag, Au) compounds using density functional theory in the CASTEP code. Calculations of formation energy, octahedral factor, and Goldschmidt tolerance factor were performed to confirm the stability of the cubic phase. While the mechanical metrics suggest both brittle and ductile behavior in the compounds according to Pugh's ratio, the Born criteria confirm their mechanical stability and anisotropy. All materials exhibit semiconducting properties, with direct band gaps of 0.59 eV, 0.67 eV, and 0.85 eV, respectively. The optical properties show potential for both visible and UV photodetectors. Mulliken charge analysis confirms the presence of mixed ionic-covalent bonding. Positive phonon frequencies confirm stable lattice vibrations, and quasi-harmonic Debye analysis shows temperature effects on thermodynamic properties. This research provides an in-depth understanding of the material features and their suitability for optoelectronic applications.

反钙钛矿化合物已成为能量收集和光电子技术研究的主要焦点。本研究利用CASTEP程序中的密度泛函理论研究了K3TO （T = Cu, Ag, Au）化合物的结构、机械、电子、光学和热力学性质。计算了储层能量、八面体因子和Goldschmidt容差因子，确定了三次相的稳定性。根据Pugh的比率，力学指标表明化合物具有脆性和延性，而Born标准则证实了它们的力学稳定性和各向异性。所有材料均具有半导体特性，直接带隙分别为0.59 eV、0.67 eV和0.85 eV。该材料的光学性质显示了其作为可见光和紫外光电探测器的潜力。Mulliken电荷分析证实了混合离子-共价键的存在。正声子频率证实了稳定的晶格振动，准谐波德拜分析显示温度对热力学性质的影响。本研究提供了对材料特性及其在光电应用中的适用性的深入了解。

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引用次数: 0

Synergistic photocatalytic performance of various surfactant-assisted cerium oxide nanoparticles for degradation of mixed hazardous dyes under UV–visible illumination 各种表面活性剂辅助氧化铈纳米颗粒在紫外光-可见光照明下降解混合有害染料的协同光催化性能

IF 5.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2025-12-28 DOI: 10.1016/j.inoche.2025.116112

Govindasamy Palanisamy , Kandasamy Bhuvaneswari , Pazhanivel Thangavelu , Sivaprakash Paramasivam , D. Shobana Priyanka , Jintae Lee , Ikhyun Kim

In this work, numerous surfactants have been introduced to a hydrothermal process for producing CeO₂ nanoparticles. CTAB (Cetyltrimethylammonium bromide) and SDS (Sodium dodecyl sulfate) were used as additives to improvement the photocatalytic efficiency of the resulting CeO₂ particles. This analysis expected to gain insights into the physical and chemical properties of the samples. Under UV–visible light exposure, the photocatalytic ability of the pure CeO₂ nanoparticles and surfactant-assisted CeO₂ nanoparticles with various morphologies were assessed in their degradation of BPB and MB dye. It is noteworthy that rice-like nanostructures CeO₂ nanoparticles showed enhanced photocatalytic elimination performance for the dye mixture of MB and BPB. Recycling tests and radical trapping analysis confirmed excellent stability and long-term durability of the rice-like CeO₂ nanoparticles.Scavenger tests revealed that holes play the main radicals in the mixed dyes degradation. SDS-aided CeO₂ NPs have promising prospects in the application of photocatalysts in the field of energy transformation and environmental applications.

在这项工作中，许多表面活性剂已被引入到水热工艺生产CeO2纳米颗粒。用CTAB（十六烷基三甲基溴化铵）和SDS（十二烷基硫酸钠）作为添加剂，提高所得CeO2颗粒的光催化效率。这项分析有望深入了解样品的物理和化学性质。在紫外-可见光照射下，研究了纯CeO2纳米粒子和不同形貌的表面活性剂辅助CeO2纳米粒子对BPB和MB染料的光催化降解能力。值得注意的是，类水稻纳米结构的CeO2纳米颗粒对MB和BPB染料混合物的光催化去除性能增强。回收试验和自由基捕获分析证实了这种类水稻CeO2纳米颗粒的优异稳定性和长期耐久性。清道夫试验表明，孔洞是混合染料降解的主要自由基。sds辅助的CeO2 NPs作为光催化剂在能源转化和环境应用领域具有广阔的应用前景。

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引用次数: 0