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Towards sustainable and safe-by-design energy solutions: Citric acid/perylene derived carbon dots as cathode interfacial layer in organic solar cells 走向可持续和设计安全的能源解决方案:柠檬酸/苝衍生碳点作为有机太阳能电池的阴极界面层
IF 4.6 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2025-11-21 DOI: 10.1016/j.synthmet.2025.118034
Federico Turco , Benedetta M. Squeo , Eleonora S. Cama , Alessandro Cataldo , Francesca Villafiorita-Monteleone , Chiara Botta , Silvia Luzzati , Anna M. Ferretti , Guido Scavia , Alessio Lamperti , Mariacecilia Pasini , Umberto Giovanella
In this study, carbon dots (CDs) synthesized from citric acid/perylene derived from agricultural or biodiesel waste by following the paradigm of circular chemistry, are used as a cathode interlayer (CIL) in non fullerenic organic solar cells (OSCs). The integration of CDs in OSCs not only reduces the work function of the cathode metal, but also enhances the extraction of charge carriers, while simultaneously minimizing carrier recombination. Comparative analysis between CD-incorporating OSCs and those featuring commercial aliphatic amine-functionalized perylene-diimide (PDINN) as CIL reveals that while both exhibit similar photovoltaic parameters, a notable improvement is observed when utilizing their unprecedented combination in a CD/PDINN bilayer CIL. Consequently, the maximum power conversion efficiency of commercial PBDB-T/ITIC OSC reaches 9.14 %, sustained under constant AM1.5 G illumination for at least 90 min. These findings suggest that CDs are promising candidates for stable and efficient cathode interlayers, even though they are deposited from water solution, underscoring their potential in advancing sustainable and safe-by-design solar cell technologies.
在这项研究中,碳点(CDs)是由农业或生物柴油废料中衍生的柠檬酸/苝合成的,遵循循环化学的范式,被用作非富勒烯有机太阳能电池(OSCs)的阴极中间层(CIL)。CDs在OSCs中的集成不仅降低了阴极金属的功函数,而且增强了载流子的提取,同时最大限度地减少了载流子的复合。对比分析了含CD的OSCs和以商业脂肪族胺功能化苝-二亚胺(PDINN)为CIL的OSCs,结果表明,虽然两者具有相似的光伏参数,但在CD/PDINN双层CIL中使用它们的前所未有的组合时,可以观察到显著的改善。因此,商用PBDB-T/ITIC OSC的最大功率转换效率达到9.14 %,在恒定AM1.5 G照明下持续至少90 min。这些发现表明,尽管CDs是由水溶液沉积而成,但它们是稳定高效的阴极中间层的有希望的候选者,强调了它们在推进可持续和设计安全的太阳能电池技术方面的潜力。
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引用次数: 0
Effects of choline-based ionic liquids on the in-situ polymerization of polypyrrole coatings on aligned electrospun polycaprolactone membranes 胆碱离子液体对聚吡咯在定向静电纺聚己内酯膜上原位聚合的影响
IF 4.6 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2025-11-20 DOI: 10.1016/j.synthmet.2025.118029
Lucas Simon , Sebastien Livi , Guilherme Mariz de Oliveira Barra , Vanessa Oliveira Castro , Celso Yassuo Okada Júnior , Matheus Campos Hemkemaier , Claudia Merlini
The functionalization of conductive polymers using biocompatible ionic liquids (BIO-IL) is a highly promising strategy to obtain conductive materials for biomedical applications. Herein, the present article evaluates the impact of three choline-based BIO-ILs on the in-situ oxidative polymerization of polypyrrole (PPy) over electrospun aligned polycaprolactone (PCL) membranes: choline bitartrate ([Ch][Bt]), containing an organic acid as counter anion; and choline lysine ([Ch][Lys]) as well as choline tyrosine ([Ch][Ty]), both containing amino acid, as counter anions. In most cases, the use of [Ch][Bt] presented little impact on the properties of the membranes. Meanwhile, the use of both [Ch][Lys] and [Ch][Ty] resulted in higher reaction rates due to the stabilizing effects of pyrrole oligomers during polymerization, leading to more uniform coatings with the use of amino acid-based BIO-ILs. Chemical evaluation of the membranes demonstrated that [Ch][Lys] and [Ch][Ty] were incorporated on the PPy structure. Electrical conductivity assays indicated a lower electrical conductivity by the use of the [Ch][Lys] and [Ch][Ty], resulting from interactions between the BIO-ILs and the nitrogen groups of the PPy. In addition, the use of these BIO-ILs perfectly preserves mechanical performances and thermal properties of the PPy.
利用生物相容性离子液体(BIO-IL)对导电聚合物进行功能化是一种非常有前途的获得生物医学应用导电材料的策略。本文评价了三种基于胆碱的bio - il对聚吡咯(PPy)在电纺丝排列聚己内酯(PCL)膜上的原位氧化聚合的影响:含有有机酸作为反阴离子的重石酸胆碱([Ch][Bt]);和胆碱赖氨酸([Ch][Lys])以及胆碱酪氨酸([Ch][Ty]),两者都含有氨基酸作为反阴离子。在大多数情况下,[Ch][Bt]的使用对膜的性能影响不大。同时,由于吡咯低聚物在聚合过程中的稳定作用,[Ch][Lys]和[Ch][Ty]的使用导致了更高的反应速率,使得使用氨基酸基bio - il的涂层更加均匀。化学评价表明[Ch][Lys]和[Ch][Ty]结合在PPy结构上。电导率分析表明,通过使用[Ch][Lys]和[Ch][Ty],由于bio - il和PPy的氮基团之间的相互作用,电导率较低。此外,这些bio - il的使用完美地保留了PPy的机械性能和热性能。
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引用次数: 0
Enhanced performance of Si/C anode prepared by a relatively green and simple strategy 采用相对绿色和简单的策略制备了性能提高的Si/C阳极
IF 4.6 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2025-11-18 DOI: 10.1016/j.synthmet.2025.118028
Huiying Xie , Zhengyan Jiang , Jiaqin Huang , Yiming Yu , Jizhang Chen , Qinghua Tian
Despite significant improvement in performance, green and simple preparation of Si/C anodes remains a challenge. Nevertheless, both high performance and green and simple preparation are equally important for the development of Si/C anodes. Herein, to balance the needs of Si/C anodes for the improved performance and the green and simple preparation methods, B-Si NPs@C composites composed of cost-effective irregular Si particles coated with polyethylene glycol (PEG)-derived carbon have been prepared by using only PEG reagent as the carbon source and dispersant and just involving ball-milling and carbonization processes. This preparation strategy shows relatively green and simple characteristics. More importantly, thus PEG-derived carbon coating effectively mitigates the problems of large volumetric expansions and poor conductivity faced by Si anodes. Consequently, B-Si NPs@C-2 with the optimized carbon coating shows superior lithium storage performance, with 1055.1 mAh g−1 after 300 cycles at 400 mA g−1 and 733.3 mAh g−1 after 1100 cycles at 1000 mA g−1. Taking into account the advantages of the relatively green and simple preparation process and the superb performance of B-Si NPs@C-2, this study might pave the way towards a green and more sustainable development of the advanced Si/C anodes for lithium-ion batteries.
尽管性能有了显著的提高,但绿色和简单的Si/C阳极制备仍然是一个挑战。然而,高性能、绿色和简单的制备对于Si/C阳极的发展同样重要。为了平衡Si/C阳极对性能提高的需求和绿色简单的制备方法,本文仅以聚乙二醇(PEG)衍生碳为碳源和分散剂,采用PEG试剂作为碳源和分散剂,制备了经济高效的不规则Si颗粒包覆聚乙二醇(PEG)衍生碳的B-Si NPs@C复合材料。该制备策略具有相对绿色、简单的特点。更重要的是,聚乙二醇衍生的碳涂层有效地缓解了硅阳极面临的体积膨胀大和导电性差的问题。因此,具有优化碳涂层的B-Si NPs@C-2表现出优异的锂存储性能,在400 mA g−1下,300次循环后的锂存储性能为1055.1 mAh g−1,在1000 mA g−1下,1100次循环后的锂存储性能为733.3 mAh g−1。考虑到B-Si NPs@C-2相对绿色简单的制备工艺和优异的性能,本研究可能为锂离子电池先进Si/C阳极的绿色和可持续发展铺平道路。
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引用次数: 0
Rubber composite for nano-generators and use of artificial intelligence as smart electronic systems: A critical review 纳米发电机用橡胶复合材料与人工智能在智能电子系统中的应用:综述
IF 4.6 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2025-11-17 DOI: 10.1016/j.synthmet.2025.118027
Vineet Kumar, Gyu Hyeong Hwang, Sang-Shin Park
The main idea of this review paper is to provide a comprehensive overview of the use of rubber composites for energy harvesting and their artificial intelligence (AI) prospects from 2020–2025. The literature survey was initiated by studying the material and its processing techniques. The key materials were piezoelectric and triboelectric materials, and their role in the rubber matrix for energy harvesting is reviewed. These rubber composites were fabricated through traditional techniques like molding or other new-generation techniques. These new generation techniques are 3D/4D printing, roll-to-roll technology, and multifunctional designs. After the fabrication, their mechanisms of energy harvesting were reviewed. These mechanisms involve piezo-electricity, tribo-electricity, and hybrid systems along with their core concepts. The literature survey shows that piezo-tribo hybrid mechanisms were best in terms of output voltage and power density generation. In the second part, the literature survey on AI and smart electronics was undertaken. The algorithms reviewed here were Random Forest, Gradient Boosting, and Specific Neural Network architectures. In the next step, integration of energy-harvesting nano-generators with low-power AI chips will facilitate autonomous, self-sustaining IoT networks. These networks are capable of on-device learning and real-time environmental interaction are discussed. Finally, the coupling of soft nano-generators with AI-based control algorithms will enable intuitive and responsive interfaces, are reported. These interfaces can mimic biological sensing, advancing fields such as prosthetics, wearable haptics, and biomedical monitoring.
本文的主要观点是全面概述了2020-2025年橡胶复合材料在能量收集方面的应用及其人工智能(AI)的前景。文献调查是通过对材料及其加工工艺的研究而展开的。重点介绍了压电材料和摩擦电材料在橡胶基体能量收集中的作用。这些橡胶复合材料是通过成型等传统技术或其他新一代技术制造的。这些新一代技术是3D/4D打印、卷对卷技术和多功能设计。在制备完成后,对其能量收集机理进行了综述。这些机制涉及压电、摩擦电和混合系统及其核心概念。文献调查表明,压电-摩擦混合机构在输出电压和功率密度方面表现最好。第二部分对人工智能和智能电子进行了文献综述。这里回顾的算法是随机森林、梯度增强和特定神经网络架构。下一步,能量收集纳米发电机与低功耗人工智能芯片的集成将促进自主、自我维持的物联网网络。讨论了这些网络能够在设备上学习和实时环境交互。最后,报告了软纳米发电机与基于人工智能的控制算法的耦合将实现直观和响应的界面。这些接口可以模拟生物传感,推动假肢、可穿戴触觉和生物医学监测等领域的发展。
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引用次数: 0
Corrigendum to “NiFe2O4 and 2D-rGO decorated with NiFe2O4 nanoparticles as highly efficient electrodes for supercapacitors” [Synth. Met. 291 (2022) 117201] “用NiFe2O4纳米粒子修饰作为超级电容器高效电极的NiFe2O4和2D-rGO”的勘误表[Synth。会议。291 (2022)117201]
IF 4.6 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2025-11-15 DOI: 10.1016/j.synthmet.2025.118025
B. Carmel Jeeva Mary , J. Judith Vijaya , B. Saravanakumar , M. Bououdina , L. John Kennedy , Radhika R. Nair
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引用次数: 0
Cryopolymerization in the presence of sucrose as a way to control morphology, conductivity and mechanical properties of polyaniline-poly(vinyl alcohol) cryogels 在蔗糖的存在下进行低温聚合,以控制聚苯胺-聚乙烯醇低温冰箱的形态、电导率和机械性能
IF 4.6 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2025-11-15 DOI: 10.1016/j.synthmet.2025.118026
Konstantin A. Milakin , Islam M. Minisy , Zuzana Morávková , Miloslav Lhotka , Jiřina Hromádková , Jiří Hodan , Patrycja Bober
Polyaniline-poly(vinyl alcohol) (PANI-PVAl) cryogels/aerogels have been synthesized by one-step oxidative cryopolymerization in the presence of sucrose as a cryoprotecting agent. The incorporation of sucrose into the polymerization medium and its ice recrystallization inhibition activity resulted in the significant decrease of the aerogel pore size (≈0.6–6 μm at 50 wt/vol% of sucrose), compared to pristine PANI-PVAl aerogel (≈3–37 μm). The change of morphology has likely induced the observed increase of the aerogel specific surface area from 13.3 to 28.3 m2 g–1. The increase of the sucrose concentration in the reaction mixture was also found to gradually enhance tensile modulus of the materials with the highest value (47.2 kPa) ≈3 times higher than for the pristine aerogel. The conductivity measurements showed that 10 wt/vol% of sucrose in the polymerization medium was the optimal concentration, leading to the highest conductivity of 5.1 S cm–1.
以蔗糖为低温保护剂,采用一步氧化低温聚合法制备了聚苯胺-聚乙烯醇(PANI-PVAl)低温/气凝胶。在聚合介质中加入蔗糖及其抑制冰重结晶的活性导致气凝胶的孔径(≈0.6-6 μm)明显减小,当蔗糖含量为50 wt/vol%时,与原始的PANI-PVAl气凝胶(≈3-37 μm)相比,孔径减小(≈0.6-6 μm)。形貌的改变可能导致气凝胶比表面积从13.3增加到28.3 m2 g-1。随着反应混合物中蔗糖浓度的增加,材料的拉伸模量也逐渐提高,其最大值(47.2 kPa)比原始气凝胶高约3倍。电导率测试表明,聚合介质中蔗糖浓度为10 wt/vol%时,其电导率最高,为5.1 S cm-1。
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引用次数: 0
In situ synthesis of poly(3,4-ethylenedioxythiophene) in the presence of toluene sulfonate ester thermal initiators 甲苯磺酸酯热引发剂存在下原位合成聚(3,4-乙烯二氧噻吩)
IF 4.6 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2025-11-14 DOI: 10.1016/j.synthmet.2025.118024
Halil Duyar , Elif B. Çelebi̇ , Peter J. Skabara , Ferda Haciveli̇oğlu
Poly(3,4-ethylenedioxythiophene) (PEDOT) is one of the most studied conjugated polymers due to its unique electrical and optical properties. While many recent studies focus on device applications, some still explore new approaches to improve its processability. Herein, we present the first in-situ synthesis and characterization of PEDOT using a series of p-toluene sulfonate alkyl esters as non-salt, thermally latent initiators. The diversity of alkyl toluene sulfonates enabled an in-depth investigation of the polymerization mechanism and identification of key intermediates involved in initiation and propagation. Our findings suggest that, rather than undergoing heterolytic dissociation into ions, alkyl toluene sulfonates dissociate homolytically through single electron transfer (SET) with the EDOT monomer. By optimizing the EDOT/initiator ratio, solvent, and temperature, we successfully prepared PEDOT thin films. These films were characterized using FT-IR, NMR, AFM, GPC, MALDI-TOF, XRPD, and XPS, and the results were compared with commercial PEDOT:PSS. Additionally, electrical conductivity, carrier density, and carrier mobility of the films were evaluated through van der Pauw Hall-effect measurements, highlighting the potential of this approach as a processable alternative to conventional PEDOT:PSS.
聚(3,4-乙烯二氧噻吩)(PEDOT)由于其独特的电学和光学性质而成为研究最多的共轭聚合物之一。虽然最近的许多研究都集中在设备应用上,但仍有一些研究在探索新的方法来提高其可处理性。在此,我们首次使用一系列对甲苯磺酸烷基酯作为非盐、热潜引发剂原位合成并表征了PEDOT。烷基甲苯磺酸盐的多样性使人们能够深入研究聚合机理,并确定参与引发和繁殖的关键中间体。我们的研究结果表明,烷基甲苯磺酸盐不是通过异解离解成离子,而是通过与EDOT单体的单电子转移(SET)进行均解离解。通过优化EDOT/引发剂比、溶剂和温度,成功制备了PEDOT薄膜。利用FT-IR、NMR、AFM、GPC、MALDI-TOF、XRPD和XPS对这些膜进行了表征,并将结果与商用PEDOT:PSS进行了比较。此外,通过范德保霍尔效应测量评估了薄膜的电导率、载流子密度和载流子迁移率,强调了这种方法作为传统PEDOT:PSS的可加工替代品的潜力。
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引用次数: 0
High-frequency EMI shielding performance of nickel-substituted cobalt nano-ferrites encapsulated by polyaniline 聚苯胺封装镍取代钴纳米铁氧体的高频电磁屏蔽性能
IF 4.6 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2025-11-13 DOI: 10.1016/j.synthmet.2025.118023
Ashwini Rayar , Prasanna G.D. , Shreedhara K.M. , Pamu Dobbidi , P.S.D. Rekha Phani , Naveen C.S.
The combination of polyaniline (PANI) with nickel-substituted cobalt ferrite creates a core-shell nanocomposite material that harnesses the beneficial properties of both materials. In this work, we synthesized nickel-substituted cobalt ferrite NixCo1-xFe2O4 (x = 0, 0.1, 0.2, 0.3, 0.4, 0.5) nanocomposites using the solution combustion method and PANI composites by in situ polymerization techniques. The crystalline phase of the nanocomposites was characterized using X-ray diffraction (XRD), which revealed an average crystallite size of 30.02–39.70 nm. Fourier Transform Infrared (FTIR) spectroscopy confirmed the functional groups in the nanocomposites. The field-emission scanning electron micrograph (FESEM) showed the interaction between the cobalt-nickel particles and the PANI nanocomposites. The elemental composition was confirmed using Energy Dispersive Spectroscopy (EDS). The nanocomposites exhibit excellent magnetic properties, as confirmed by the results obtained using the physical property measurement system (PPMS 14 T). It was found that the magnetization increases with increasing Cobalt substitution. The highest shielding effectiveness value of 12.82 dB was obtained for the PANI/Ni0.4Co0.6Fe2O4 sample at 13.19 GHz. These core-shell nanocomposites possess potential applications in electromagnetic shielding.
聚苯胺(PANI)与镍取代钴铁氧体的结合创造了一种核壳纳米复合材料,它利用了这两种材料的有益特性。本文采用溶液燃烧法合成了镍取代钴铁氧体NixCo1-xFe2O4 (x = 0,0.1,0.2,0.3,0.4,0.5)纳米复合材料,采用原位聚合技术合成了聚苯胺复合材料。利用x射线衍射(XRD)对复合材料的晶相进行了表征,发现其平均晶粒尺寸为30.02 ~ 39.70 nm。傅里叶变换红外光谱(FTIR)证实了纳米复合材料中的官能团。场发射扫描电镜(FESEM)显示了钴镍颗粒与聚苯胺纳米复合材料之间的相互作用。元素组成用能谱仪(EDS)确定。利用物理性能测量系统(PPMS 14 T)获得的结果证实,纳米复合材料具有优异的磁性能。磁化强度随钴取代量的增加而增加。在13.19 GHz下,PANI/Ni0.4Co0.6Fe2O4样品的屏蔽效能值最高,为12.82 dB。这些核壳纳米复合材料在电磁屏蔽方面具有潜在的应用前景。
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引用次数: 0
Hydrothermally produced perovskite adorned on PANI nanocomposite as an efficient material for supercapacitor 水热法制备的钙钛矿修饰聚苯胺纳米复合材料是一种高效的超级电容器材料
IF 4.6 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2025-11-11 DOI: 10.1016/j.synthmet.2025.118022
Rafat M. Ibrahim
Energy is the major need of current century and researcher are significantly trying to developed renewable energy storage devices. 2-D metal oxides have exceptional electrochemical properties for charge storage like supercapacitors. Here, hydrothermal route was adopted to create the SrMnO3/PANI nanohybrid electrode for supercapacitor. A variety of characterization, including scanning electron microscopy (SEM) and X-ray diffraction (XRD) were employed to investigate the physicochemical studies of all samples. The electrochemical performance was evaluated by electrochemical observation including cyclic voltammetry and impendence technique. The capacitance, energy and power density of the SrMnO3/PANI material is ascertained using galvanostatic charge-discharge studies, achieving the values of 1575 F/g, 280 W/kg, and 70 Wh/kg at 1 A/g applied current density, correspondingly. A nanohybrid comprising SrMnO3 and PANI has demonstrated exceptional stability following 5000th cycles. The Nyquist plot indicated a reduction in solution resistance of 0.79 Ω for the synthesized SrMnO3/PANI nanohybrid. The SrMnO3/PANI nanohybrid may be an exemplary option for energy storage systems owing to its enhanced electrochemical properties.
能源是本世纪的主要需求,研究人员正在大力开发可再生能源存储设备。二维金属氧化物具有优异的电化学性能,可以像超级电容器一样储存电荷。本文采用水热法制备了SrMnO3/PANI纳米杂化电极。采用扫描电镜(SEM)和x射线衍射(XRD)等多种表征手段对样品进行了理化研究。通过循环伏安法和阻抗法等电化学观察方法对其电化学性能进行了评价。通过恒流充放电研究确定了SrMnO3/PANI材料的电容、能量和功率密度,在1 A/g电流密度下分别达到1575 F/g、280 W/kg和70 Wh/kg。由SrMnO3和PANI组成的纳米杂化物在5000次循环后表现出优异的稳定性。Nyquist图显示,合成的SrMnO3/PANI纳米杂化物的溶液抗性降低了0.79 Ω。由于其增强的电化学性能,SrMnO3/PANI纳米杂化材料可能成为储能系统的典型选择。
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引用次数: 0
Biologically active poly(aniline-co-carbazole)@CNT/G/GO nanocomposites as anticorrosion coatings 生物活性聚苯胺-共咔唑@CNT/G/GO纳米复合材料作为防腐涂层
IF 4.6 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2025-11-11 DOI: 10.1016/j.synthmet.2025.118020
Moslem Mansour Lakouraj, Rafieh-Sadat Norouzian, Vahid Hasantabar, Seyedeh-Fateme Seyedaghazadeh, Nooshin Famili, Mahshid Rameh
The desire to produce novel conductive polymers adopted in advanced applications i.e., super-conductive electron transfer devices and vital signaling machines or in-vivo application, is nowhere near its boundary. Regarding this attempt, we present the synthetic rout for a biologically active conductive copolymer of polyaniline with carbazole P(Ani-co-Cz) through oxidative copolymerization characterized by NMR and IR spectra. The conductivity increment was accomplished through acid doping by carboxylated-CNT, graphene, and graphene oxide nanoparticles to result in P(Ani-co-Cz)@CNT, P(Ani-co-Cz)@G, and P(Ani-co-Cz)@Go conductive nanocomposites respectively. Their morphology was studied by XRD analysis and SEM imaging which showed a fine dispersion of nanoparticles in the amorphous copolymer matrix. UV-Vis spectra confirmed the increased conjugation in the copolymer structures and an even better charge delocalization in the nanocomposites, which was approved by conductivity measurements. The anticorrosion property of the conductive copolymer and nanocomposite coatings in PVB adherent was assessed through Tafel plots to reveal higher corrosion potentials (Ecorr) up to 50 mV and smaller corrosion currents (Icorr) down to 0.15 µA.cm−2 and proved their remarkable ability to serve as anticorrosion coatings. OCP monitoring in 3.5 % NaCl confirmed the coatings’ stable and durable anticorrosion performance. The antioxidant and antibacterial studies were further directed through DPPH assignment and Kerby-Bauer method to give more than 80 % inhibition and nearly 30 mm inhibition zone respectively that reveal an even broader biological application area. Thermal property, assessed by TGA and DTA analysis, showed a 10 % weight loss at 300 ֯C and rearrangement at high temperatures for all nanocomposites.
生产用于高级应用的新型导电聚合物的愿望,即超导电子转移装置和生命信号机器或体内应用,离它的边界还很远。针对这一尝试,我们提出了通过氧化共聚合成具有生物活性的聚苯胺与咔唑P(anti -co- cz)导电共聚物的路线,并通过NMR和IR光谱进行了表征。通过酸掺杂羧基碳纳米管、石墨烯和氧化石墨烯纳米颗粒,分别得到P(Ani-co-Cz)@CNT、P(Ani-co-Cz)@G和P(Ani-co-Cz)@Go导电纳米复合材料,从而实现电导率的提高。通过XRD分析和SEM成像对其形貌进行了研究,结果表明纳米颗粒在非晶共聚物基体中具有良好的分散。紫外可见光谱证实了共聚物结构中的共轭性增加,纳米复合材料中的电荷离域更好,这一点得到了电导率测量的证实。通过Tafel图对PVB胶粘剂中导电共聚物和纳米复合涂层的防腐性能进行了评估,发现较高的腐蚀电位(Ecorr)可达50 mV,较小的腐蚀电流(Icorr)可达0.15 µA。并证明了它们作为防腐涂层的卓越能力。在3.5% % NaCl环境下的OCP监测证实了涂层稳定持久的防腐性能。通过DPPH配位和Kerby-Bauer法进一步进行抗氧化和抗菌研究,分别获得了超过80% %和近30 mm的抑制区,揭示了更广泛的生物学应用领域。热性能通过热重分析和差热分析表明,在300֯℃下,所有纳米复合材料的重量减轻了10 %,并在高温下重排。
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引用次数: 0
期刊
Synthetic Metals
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