Journal of Industrial and Engineering Chemistry最新文献_第8页

Isotherm and kinetic study of Malachite green and Congo red removal using Spirulina platensis/CMC/ZnO as a green reusable bioadsorbent 螺旋藻/CMC/ZnO作为绿色可重复使用生物吸附剂去除孔雀石绿和刚果红的等温线及动力学研究

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-07 DOI: 10.1016/j.jiec.2025.08.013

Peyman Abazari , Seyed Ali Hosseini Tafreshi , Saeed Masoum

A novel reusable bioadsorbent, Spirulina platensis/CMC/ZnO, was synthesized using Spirulina platensis algae, carboxymethyl cellulose (CMC), and zinc oxide nanoparticles via a co-precipitation method. The material was thoroughly characterized by FT-IR, EDS, elemental mapping, XRD, TGA, and FE-SEM techniques. This bioadsorbent was employed to remove Malachite Green (MG) and Congo Red (CR) dyes from binary mixtures, showing significantly enhanced efficiency compared to individual components. Optimization using Box–Behnken Design (BBD) involved 27 experiments, achieving maximum removal efficiencies of 99.4 % for MG and 99.8 % for CR, with optimal conditions requiring 0.009 g of adsorbent and a 40-minute contact time. Isotherm studies indicated that both dyes followed the Langmuir model in single-dye systems, and the extended Langmuir model was applicable to binary systems. Maximum adsorption capacities in single solutions were 104 mg/g for MG and 80 mg/g for CR, slightly decreasing to 102 mg/g and 72 mg/g in binary systems. Kinetic analysis revealed that the adsorption process followed a pseudo-second-order model. The bioadsorbent demonstrated high reproducibility (%RSD < 3.5 %), good reusability for at least six cycles, and strong thermal and salt stability, making it a promising candidate for dye removal in harsh environmental conditions.

以螺旋藻、羧甲基纤维素（CMC）和氧化锌纳米颗粒为原料，采用共沉淀法合成了一种新型可重复使用的生物吸附剂——螺旋藻/CMC/ZnO。通过FT-IR、EDS、元素图、XRD、TGA、FE-SEM等技术对材料进行了表征。该生物吸附剂用于去除二元混合物中的孔雀石绿（MG）和刚果红（CR）染料，与单个组分相比，效率显著提高。采用Box-Behnken Design （BBD）进行优化，共进行了27次实验，MG和CR的最大去除率分别为99.4%和99.8%，最佳条件为吸附剂用量为0.009 g，接触时间为40分钟。等温线研究表明，两种染料在单染料体系中均符合Langmuir模型，扩展的Langmuir模型适用于二元体系。mg和CR在单溶液中的最大吸附量分别为104 mg/g和80 mg/g，在双溶液中的最大吸附量分别为102 mg/g和72 mg/g。动力学分析表明，吸附过程符合准二阶模型。该生物吸附剂具有较高的重现性（%RSD < 3.5%），至少6次循环的可重复使用性，以及较强的热稳定性和盐稳定性，使其成为在恶劣环境条件下去除染料的有希望的候选者。

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引用次数: 0

A review of PEDOT: PSS-based resistive gas sensors PEDOT: pss型电阻式气体传感器的研究进展

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-07 DOI: 10.1016/j.jiec.2025.08.014

M. Hjiri , G. Neri

Conducting polymers (CPs) with high transparency, good environmental stability, and high conductivity, are effective materials for gas sensing applications. There are various types of CPs and among them poly (3,4-ethylenedioxythiophene): poly (styrenesulfonic acid) abbreviated as (PEDOT: PSS) stands one of the most widely used CPs for practical applications. Thanks to its low price, high conductivity, ease of synthesis, high environmental stability, biocompatibility, and excellent mechanical flexibility, PEDOT: PSS is one of the most important CPs for gas sensing applications. In this review, we have discussed various gas sensing features of PEDOT: PSS sensors. Ability to work at low and room temperature is one of the main advantage of PEDOT: PSS gas sensors for detection of gases. To further enhance their gas sensing characteristics, they are doped, decorated, and composited with other materials and we have explained the sensing properties and gas sensing mechanism in detail. We believe that this article can deliver new concepts and idea for the researchers who work in field of gas sensors.

导电聚合物（CPs）具有高透明度、良好的环境稳定性和高导电性，是气体传感应用的有效材料。CPs有多种类型，其中聚（3,4-乙烯二氧噻吩）：聚（苯乙烯磺酸）缩写为（PEDOT: PSS）是实际应用最广泛的CPs之一。由于其低廉的价格，高导电性，易于合成，高环境稳定性，生物相容性和优异的机械灵活性，PEDOT: PSS是气敏应用中最重要的CPs之一。在这篇综述中，我们讨论了PEDOT: PSS传感器的各种气体传感特性。能够在低温和室温下工作是PEDOT: PSS气体传感器用于气体检测的主要优势之一。为了进一步增强它们的气敏特性，我们对它们进行了掺杂、修饰和与其他材料的复合，并详细解释了它们的传感性能和气敏机理。我们相信本文可以为气体传感器领域的研究人员提供新的概念和思路。

引用次数: 0

Pore size Tuning of activated carbon fiber through chemical drilling and widening for adsorption of chemical warfare agent simulant 通过化学钻孔和扩孔调整活性炭纤维孔径以吸附化学战剂模拟剂

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-07 DOI: 10.1016/j.jiec.2025.08.015

Hyun Min Chae , Hanul Shin , Ki Bong Lee

Activated carbon fiber has received significant interest as an excellent adsorbent for chemical warfare agents. While several studies have been conducted on improving its adsorption performance, there is insufficient research dedicated to improving adsorption performance through the selection of an optimal pore size. In this study, activated carbon fibers with pores smaller than 1.0 nm were developed through KOH reactivation and those with pores larger than 1.0 nm were developed through steam reactivation. Surface and structural analyses revealed that KOH reactivation formed pores through chemical drilling with potassium functioning as an activation agent, while steam reactivation formed pores through widening the interparticle space (etching outer layers of the carbon particles). Therefore, the pore size distributions of activated carbon fibers could be controlled through KOH or steam reactivation. The prepared reactivated carbon fibers were applied to the adsorption of dimethyl methylphosphonate (DMMP), a chemical warfare agent simulant, and the correlation between DMMP uptake and pore size was investigated. The adsorption of DMMP showed a close relation with the pore volume for a pore size of 1.3–2.2 nm, with the strongest correlation observed for a pore size of 1.6–1.9 nm. Steam reactivation is advantageous for increasing the pore volume for a pore size of 1.6–1.9 nm, thereby proving effective in enhancing the DMMP adsorption performance by 150% compared to the conventional activated carbon fiber.

活性炭纤维作为一种优良的化学战剂吸附剂受到了广泛的关注。虽然已经有一些关于提高其吸附性能的研究，但通过选择最佳孔径来提高吸附性能的研究还不够。本研究采用KOH活化法制备孔径小于1.0 nm的活性炭纤维，采用蒸汽活化法制备孔径大于1.0 nm的活性炭纤维。表面和结构分析表明，KOH活化通过化学钻孔形成孔隙，钾作为活化剂，而蒸汽活化通过扩大颗粒间空间（蚀刻碳颗粒外层）形成孔隙。因此，可以通过KOH或蒸汽再活化来控制活性炭纤维的孔径分布。将制备的再生活性炭纤维用于化学战剂模拟物甲基膦酸二甲酯（DMMP）的吸附，并研究了DMMP吸附量与孔径的关系。在1.3 ~ 2.2 nm孔径范围内，DMMP的吸附量与孔体积密切相关，在1.6 ~ 1.9 nm孔径范围内相关性最强。在孔径为1.6-1.9 nm的情况下，蒸汽再活化有利于增加孔体积，因此与传统活性炭纤维相比，其吸附DMMP的性能提高了150%。

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引用次数: 0

Highly solubilized and skin-permeable finasteride formulation using HPCD-incorporated chitosan nanocapsules to promote hair regeneration 高溶解性和皮肤渗透性的非那雄胺配方，使用hpcd -壳聚糖纳米胶囊促进头发再生

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-06 DOI: 10.1016/j.jiec.2025.08.009

Jin Sil Lee , Su Bin Lee , Hyeryeon Oh , Panmo Son , Tae Eon Park , Sunghyun Kim , Jeung-Hoon Lee , Ki Su Kim , Won Il Choi

Testosterone (TES) is converted to dihydrotestosterone (DHT), which can cause androgenic alopecia (AGA) because of an excessive reaction to TES. A 5-α reductase inhibitor is required to alleviate or manage AGA, inhibiting the conversion of TES to DHT. Finasteride (FINA) is a 5-α reductase inhibitor, FDA-approved for oral administration in alopecia treatment. Oral FINA administration causes systemic adverse effects; therefore, an alternative FINA delivery system is required. We aimed to develop a topical delivery formulation of FINA by incorporating HPCD-enhanced solubilization into chitosan nanocapsules (FINA@HCNCs), providing enhanced solubility, drug encapsulation, and skin permeability through intrinsic chitosan characteristics, all without penetration enhancer use. FINA@HCNCs demonstrated long-term stability (4 weeks) under physiological conditions and resuspensibility after lyophilization without the use of cryoprotectants. FINA from FINA@HCNCs exhibited sustained release, improving skin permeability compared to commercial products (Finjuve®). In vitro cell experiments revealed HCNC nontoxicity in three cell lines relevant to hair regeneration, and the proliferative effect of FINA@HCNCs improved. FINA@HCNCs induced superior anti-TES activity in dermal papilla cells. In vivo evaluation revealed that topical FINA@HCNCs significantly improved therapeutic efficacy compared to FINA, with FINA@HCNCs containing half the FINA dosage, but achieving comparable results. FINA@HCNCs are a novel topical skin-permeable FINA formulation for AGA treatment.

睾酮（TES）转化为双氢睾酮（DHT），由于对TES的过度反应，可导致雄激素性脱发（AGA）。需要一种5-α还原酶抑制剂来缓解或控制AGA，抑制TES向DHT的转化。非那雄胺（FINA）是一种5-α还原酶抑制剂，fda批准口服给药治疗脱发。口服FINA会引起全身不良反应；因此，需要另一种国际泳联交付系统。我们的目标是开发一种局部给药制剂，通过将hpcd增强的增溶性加入壳聚糖纳米胶囊（FINA@HCNCs），通过壳聚糖的固有特性提供增强的溶解度，药物包封性和皮肤渗透性，所有这些都不需要使用渗透增强剂。FINA@HCNCs在生理条件下表现出长期稳定性（4周），在不使用冷冻保护剂的情况下冻干后表现出可再生性。与商业产品（Finjuve®）相比，FINA@HCNCs的FINA表现出持续释放，改善皮肤渗透性。体外细胞实验显示，HCNC对三种与毛发再生相关的细胞系无毒性，并且FINA@HCNCs的增殖作用得到改善。FINA@HCNCs诱导真皮乳头细胞具有优异的抗tes活性。体内评估显示，与FINA相比，局部使用FINA@HCNCs显著提高了治疗效果，FINA@HCNCs用量为FINA的一半，但效果相当。FINA@HCNCs是一种用于AGA治疗的新颖的局部皮肤渗透性FINA配方。

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引用次数: 0

Effects of water content and compositions in deep eutectic solvents on the green biosynthesis of silver nanoparticles and their activities 深共晶溶剂中含水量和组分对纳米银绿色生物合成及其活性的影响

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-06 DOI: 10.1016/j.jiec.2025.08.010

Jingyan Chen, Jihyeon Kim, Ke Li , Seulgi Kang, Boyeon Bae, Yua Kang, Wonsik Lee, Jeongmi Lee

Deep eutectic solvents (DESs) were evaluated for their role in enhancing green tea extract (GTE)-based biosynthesis of silver nanoparticles (Ag NPs). Four types of DESs with varying water contents (10–50 %) and hydrogen bond acceptor (HBA) mole fractions (0.17–0.83) were evaluated. While HBA composition had little effect on catechin and phenolic compound extraction, higher water content usually improved yields by reducing DES viscosity. Compared with water-based GTE, all DES-based GTEs produced Ag NPs with higher surface plasmon resonance intensities, smaller particle sizes, and narrower distributions. In GTEs derived from non-urea-based DESs, these enhancements were consistent regardless of the water content and HBA mole fraction, suggesting inherent beneficial effects of the DESs. However, urea-based DESs that contained ammonia as a byproduct during DES preparation, exhibited different characteristics: although the geometric sizes of the Ag NPs remained unchanged, increasing water content led to larger hydrodynamic sizes, indicating intensified surface modification of the Ag NPs. The surface modification correlated positively with antioxidant activity, negatively with catalytic activity, and exhibited no significant association with antibacterial activity. Overall, DESs generally enhance the GTE-based biosynthesis of Ag NPs without the need for precise condition optimizations. However, ammonia-generating DESs may require tailored conditions to balance synthesis and activities.

研究了深共晶溶剂（DESs）在促进绿茶提取物（GTE）为基础的银纳米粒子（Ag NPs）生物合成中的作用。评价了四种不同含水量（10 - 50%）和氢键受体（HBA）摩尔分数（0.17-0.83）的DESs。虽然HBA的组成对儿茶素和酚类化合物的提取影响不大，但较高的含水量通常通过降低DES粘度来提高收率。与水基GTE相比，所有基于des的GTE制备的银纳米粒子具有更高的表面等离子体共振强度、更小的粒径和更窄的分布。在非尿素基DESs衍生的gte中，无论含水量和HBA摩尔分数如何，这些增强都是一致的，这表明DESs具有固有的有益作用。然而，在制备过程中含有氨作为副产物的尿素基DES表现出不同的特征：尽管Ag NPs的几何尺寸保持不变，但随着水含量的增加，水动力尺寸增大，表明Ag NPs的表面改性增强。表面修饰与抗氧化活性呈正相关，与催化活性负相关，与抗菌活性无显著相关性。总体而言，DESs通常增强了基于gte的Ag NPs的生物合成，而不需要精确的条件优化。然而，产氨DESs可能需要量身定制的条件来平衡合成和活性。

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引用次数: 0

Designing and advancements of Ti3C2Tx MXene for photocatalytic application 光催化用Ti3C2Tx MXene的设计与进展

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-06 DOI: 10.1016/j.jiec.2025.08.006

Ye Liu, Cheng-hui Hu, Hong-yin Liu, Jun Hu, Fei-peng Jiao

Ti₃C₂T_x MXene has shown exponential growth in photocatalytic applications over the past few years, illustrating its ability to improve photocatalytic performance and showing great promise in the field of photocatalysis. As Ti₃C₂T_x MXene possesses a large specific surface area, good electrical conductivity, fully exposed active sites, and abundant hydrophilic functional groups on the surface, it is highly investigated in the photocatalysis field. In the previous review, we have understood some key issues of Ti₃C₂T_x MXene as a photocatalytic material, especially the advantages and limitations of Ti₃C₂T_x MXene in photocatalytic applications. This review focuses on the competitiveness and development prospects of Ti₃C₂T_x MXene in photocatalysis. Firstly, the structure and properties of Ti₃C₂T_x MXene are introduced, including the crystal structure, electronic structure and optical properties. Secondly, the main synthesis methods of Ti₃C₂T_x MXene in different dimensions (3D, 2D, 1D, 0D) and the detailed operation procedure are introduced. Then the applications of Ti₃C₂T_x MXene in photocatalysis are introduced, including photocatalytic hydrogen production, photocatalytic CO₂ reduction, photocatalytic degradation of pollutants and water purification, photocatalytic nitrogen fixation and antimicrobial, etc. Finally, the deficiencies in the development of Ti₃C₂T_x MXene are proposed, and a prospective outlook on the future research is put forward.

近年来，Ti3C2Tx MXene在光催化领域的应用呈指数级增长，表明其具有提高光催化性能的能力，在光催化领域具有广阔的应用前景。由于Ti3C2Tx MXene具有比表面积大、导电性好、活性位点充分暴露、表面亲水性官能团丰富等特点，在光催化领域受到了广泛的研究。在前面的综述中，我们了解了Ti3C2Tx MXene作为光催化材料的一些关键问题，特别是Ti3C2Tx MXene在光催化应用中的优势和局限性。本文综述了Ti3C2Tx MXene在光催化方面的竞争力和发展前景。首先介绍了Ti3C2Tx MXene的结构和性能，包括晶体结构、电子结构和光学性能。其次，介绍了Ti3C2Tx MXene在不同维度（3D、2D、1D、0D）的主要合成方法及详细的操作步骤。然后介绍了Ti3C2Tx MXene在光催化方面的应用，包括光催化制氢、光催化CO2还原、光催化污染物降解和水净化、光催化固氮和抗菌等。最后，提出了Ti3C2Tx MXene开发中存在的不足，并对未来的研究进行了展望。

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引用次数: 0

Layer-by-layer assembled aluminum nanoparticles with chitosan as a novel nano-vaccine for enhanced cancer immunotherapy 壳聚糖-铝纳米颗粒逐层组装的新型纳米疫苗增强癌症免疫治疗

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-06 DOI: 10.1016/j.jiec.2025.08.011

Jin Sil Lee , Seong Hyeon Cho , Panmo Son , Se Young Park , Hyeryeon Oh , Min Kyung Kang , Young-Ran Lee , Won Il Choi

Cancer vaccines promote immune responses and establish anti-tumor immune memory. Eliminating cancer cells by vaccination requires cellular immunity-based adjuvants and tumor-related antigens. However, commonly used aluminum-based adjuvants are insufficient in inducing strong cellular immune responses, thus necessitating additional immune stimulants. To address this limitation, we report the development of layer-by-layer (LBL) assembled aluminum nanoparticles (LBL-AlNPs) using ovalbumin as a model antigen and chitosan as a cellular immune enhancer. The LBL technique enable improved the antigen loading and controlled release by incorporating chitosan layers. The effect of the number of layers in the LBL-AlNPs and the optimum number of layers was determined by evaluating their physicochemical properties. As the number of layers increased, the antigen release rate decreased. The LBL-AlNPs were stable under physiological environment for 14 days. In particular, the LBL-AlNPs with two layers (LBL-AlNP-2L) exhibited 3.9-fold and 2.4-fold higher IL-2 secretion, indicating enhanced antigen cross-presentation, compared to LBL-AlNP-1L and 3L, respectively. Furthermore, cellular uptake was increased by 1.8-fold and 1.5-foldcompared to the same groups. Significantly, in vivo studies demonstrated that LBL-AlNP-2L promoted a better immune response, including increased IFN- γ production (2.4-fold vs free OVA) after immunization and ultimately suppressed tumor growth when tumors in the immunized model were challenged. Consequently, these findings suggest that LBL-AlNP-2L can be considered as a promising cancer vaccine.

癌症疫苗促进免疫反应，建立抗肿瘤免疫记忆。通过疫苗消除癌细胞需要基于细胞免疫的佐剂和肿瘤相关抗原。然而，常用的铝基佐剂不足以诱导强烈的细胞免疫反应，因此需要额外的免疫刺激剂。为了解决这一限制，我们报道了使用卵清蛋白作为模型抗原和壳聚糖作为细胞免疫增强剂的分层组装铝纳米颗粒（LBL- alnps）的发展。LBL技术通过加入壳聚糖层来提高抗原的负载和控制释放。通过评价LBL-AlNPs的理化性质，确定了层数对LBL-AlNPs的影响及最佳层数。随着层数的增加，抗原释放率降低。LBL-AlNPs在生理环境下稳定14 d。特别是两层的lbl - alnp （LBL-AlNP-2L）的IL-2分泌量分别比LBL-AlNP-1L和3L高3.9倍和2.4倍，表明抗原交叉呈递增强。此外，与同一组相比，细胞摄取增加了1.8倍和1.5倍。值得注意的是，体内研究表明，LBL-AlNP-2L促进了更好的免疫应答，包括免疫后IFN- γ的产生增加（比游离OVA增加2.4倍），并在免疫模型中的肿瘤受到挑战时最终抑制肿瘤生长。因此，这些发现表明LBL-AlNP-2L可以被认为是一种有希望的癌症疫苗。

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引用次数: 0

Advancing O2/N2 separation with thin film coatings on hollow fiber membranes: A review 中空纤维膜薄膜涂层技术在O2/N2分离中的应用进展

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-05 DOI: 10.1016/j.jiec.2025.07.064

Oğuz Orhun Teber , Anil Kuban , Vahid Vatanpour , Ismail Koyuncu

There is an ever-increasing need for separation technologies to efficiently use oxygen and nitrogen from air, driven by advancements in industrial applications such as petrochemistry, electronics, agriculture and aviation. Membrane-based air separation is one of the fastest growing technologies due to its unique advantages in terms of compactness, cost and energy effectiveness. However, this technology, which is mature with existing polymeric hollow fiber membrane materials, has obstacles to the industrial scale application of new generation high permeance polymers. Existing gas separation membranes need to be further improved in terms of permeability and selectivity to expand the market share and compete with traditional separation technologies. This article provides a comprehensive overview of air separation regarding the elimination of existing obstacles. Then, thin film coating strategies and materials followed in the fabrication and structural development of hollow fiber membranes for air separation are discussed. Polymeric properties affecting oxygen and nitrogen in air separation are investigated. Finally, the role of composite materials in oxygen transport in thin film coatings and elimination of existing obstacles and future research directions are evaluated. Consequently, this review aims to serve as a compilation for advancing membrane technology towards more sustainable and efficient air separation solutions.

由于石油化工、电子、农业和航空等工业应用的进步，对分离技术的需求不断增加，以有效地利用空气中的氧和氮。膜基空气分离技术是发展最快的技术之一，因为它在紧凑性、成本和能源效率方面具有独特的优势。然而，该技术在现有的聚合物中空纤维膜材料上已经成熟，阻碍了新一代高渗透聚合物的工业规模应用。现有气体分离膜在渗透性和选择性方面需要进一步改进，以扩大市场份额，与传统分离技术竞争。本文提供了关于消除现有障碍的空分的全面概述。然后讨论了中空纤维空分膜的制备和结构发展中所采用的薄膜涂层策略和材料。研究了空气分离中影响氧和氮的聚合物性能。最后，对复合材料在薄膜涂层中氧输运中的作用、现有障碍的消除以及未来的研究方向进行了展望。因此，本文旨在为推动膜技术向更可持续和高效的空气分离解决方案发展提供参考。

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引用次数: 0

Strategy for capacity boosting in aluminum-ion batteries: controlling the interlayer spacing 铝离子电池容量提升策略：控制层间距

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-05 DOI: 10.1016/j.jiec.2025.08.002

Bumjin Kim , Kangjick Kim , Changho Yeon , Chan-Woo Lee , Jeonghun Baek , Sanghui Kang , Seungho Lee , SeungCheol Yang , Won Bin Im , Jungjoon Yoo

Al-ion batteries (AIBs) have attracted increasing attention due to their three-electron reactions, abundant raw materials, and inherent safety. They employ cathodes such as graphite-based compounds and metal dichalcogenides, among which molybdenum disulfide (MoS₂) stands out with its unique layered structure, enhancing AIB capacity. Notably, its 6.2 Å interlayer spacing enables rapid ion diffusion, insertion, and extraction. However, few studies have explored the relationship between areal capacity and interlayer spacing in layered MoS₂ for AIBs. Herein, interlayer-controlled MoS₂ was synthesized via amine intercalation to enhance ion transport. The resulting n-butylamine-intercalated MoS₂ exhibited a larger interlayer spacing of 10.1 Å and achieved ∼ 15-fold higher areal capacity than bulk MoS₂. Moreover, it maintained 75 % of its initial capacity after 6000 cycles at 1.12 mA cm⁻², demonstrating excellent long-term stability. These findings contribute to high-performance AIB development using transition-metal sulfide cathodes.

铝离子电池因其具有三电子反应、原料丰富、固有安全性等优点而受到越来越多的关注。它们采用石墨基化合物和金属二硫化物等阴极，其中二硫化钼（MoS2）以其独特的层状结构脱颖而出，增强了AIB容量。值得注意的是，其6.2 Å层间距使离子快速扩散，插入和提取。然而，很少有研究探讨aib层状二硫化钼的面积容量与层间间距之间的关系。本文通过胺嵌入合成层间控制的二硫化钼，以增强离子传输。所得到的正丁胺插层二硫化钼具有较大的层间距10.1 Å，并且实现了比体二硫化钼高约15倍的面积容量。此外，在1.12 mA cm - 2下，经过6000次循环后，它保持了75%的初始容量，表现出出色的长期稳定性。这些发现有助于利用过渡金属硫化物阴极开发高性能AIB。

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引用次数: 0

Pyridinylated diindolylmethane as a green corrosion inhibitor for mild steel and its potential in antimicrobial applications 吡啶化二吲哚基甲烷作为绿色低碳钢缓蚀剂及其抗菌应用潜力

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-05 DOI: 10.1016/j.jiec.2025.08.005

Guangmei Jiang , Wenjing Wang , Mingyuan Tang , Chenfeng Jia , Yuanyuan Wang , Wen Ma , Haijiao Xie , Feng Yang , Haichao Zhao

Indole derivatives, recognized for their biodegradability and low toxicity in natural systems (e.g., cruciferous plants), exhibit dual functionality as corrosion inhibitors and antimicrobial agents. In this study, a novel bifunctional molecule, 3,3′-bis(pyridin-4-ylmethyl)indole (Py-DIM), was synthesized via a one-pot Friedel-Crafts reaction by introducing pyridyl groups into diindolylmethane. Successful preparation of the product was confirmed by NMR, FT-IR and UV characterization. Electrochemical analyses demonstrated Py-DIM’s exceptional corrosion inhibition efficiency (98.98 % at 50 mg/L, 3 h) for mild steel in acidic environments, with adsorption primarily mediated by the indole ring as revealed by theoretical calculations. Against S. aureus, Py-DIM (5 mg/mL) achieved 100 % bactericidal efficacy within 12 h, validated by inhibition zone assays, biofilm violet staining, and colony counting. Py-DIM can not only inhibit metal corrosion by adsorption into a film, but also prevent the generation of S. aureus biofilm, which provides a new direction for solving the problem of industrial corrosion and microbial contamination.

吲哚衍生物因其生物可降解性和在自然系统（如十字花科植物）中的低毒性而被公认，具有作为腐蚀抑制剂和抗菌剂的双重功能。本研究通过在二吲哚甲烷中引入吡啶基，通过一锅Friedel-Crafts反应合成了新的双功能分子3,3′-双（吡啶-4-甲基）吲哚（Py-DIM）。通过NMR、FT-IR和UV表征证实了产物的成功制备。电化学分析表明，Py-DIM在酸性环境中对低碳钢具有优异的缓蚀效率（在50 mg/L， 3 h时达到98.98%），理论计算表明，吸附主要由吲哚环调节。对金黄色葡萄球菌，Py-DIM （5 mg/mL）在12 h内达到100%的杀菌效果，通过抑菌区测定、生物膜紫色染色和菌落计数验证。Py-DIM不仅可以通过吸附成膜抑制金属腐蚀，还可以防止金黄色葡萄球菌生物膜的生成，为解决工业腐蚀和微生物污染问题提供了新的方向。

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引用次数: 0