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Auteur : Grafiati
Publié le 11 septembre 2023

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1

Syed Zainol Abidin, Shariffah Nur Jannah, Nur Hawa Nabilah Azman, Shalini Kulandaivalu et Yusran Sulaiman. « Poly(3,4-ethylenedioxythiophene) Doped with Carbon Materials for High-Performance Supercapacitor : A Comparison Study ». Journal of Nanomaterials 2017 (2017) : 1–13. http://dx.doi.org/10.1155/2017/5798614.

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A comparative study of multiwalled carbon nanotube (MWCNT), graphene oxide (GO), and nanocrystalline cellulose (NCC) as a dopant in the preparation of poly(3,4-ethylenedioxythiophene)- (PEDOT-) based hybrid nanocomposites was presented here. The hybrid nanocomposites were prepared via the electrochemical method in aqueous solution. The FTIR and Raman spectra confirmed the successful incorporation of dopants (MWCNT, GO, and NCC) into PEDOT matrix in the process of formation of the hybrid nanocomposites. It was observed that the choice of the carbon material affected the morphologies and supercapacitive properties of the hybrid nanocomposites. Incorporation of GO with PEDOT produces a paper-like sheet nanocomposite in which the wrinkled surface results in larger surface area compared to the network-like and rod-like structures of PEDOT/MWCNT and PEDOT/NCC, respectively. Owing to larger surface area, PEDOT/GO exhibits the highest specific capacitance (120.13 F/g), low equivalent series resistance (34.44 Ω), and retaining 87.99% of the initial specific capacitance after 1000 cycles, signifying a long-term cycling stability. Furthermore, the high performance of PEDOT/GO is also demonstrated by its high specific energy and specific power.
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Murugan, A. Vadivel, Mathieu Quintin, Marie-Helene Delville, Guy Campet, Annamraju Kasi Viswanath, Chinnakonda S. Gopinath et K. Vijayamohanan. « Synthesis and characterization of organic–inorganic poly(3,4-ethylenedioxythiophene)/MoS2 nanocomposite via in situ oxidative polymerization ». Journal of Materials Research 21, no 1 (1 janvier 2006) : 112–18. http://dx.doi.org/10.1557/jmr.2006.0015.

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Here we demonstrate the synthesis of a new type of layered poly(3,4-ethylenedioxy- thiophene) (PEDOT)/MoS2 nanocomposite via flocculation of delaminated MoS2 with subsequent in situ oxidative polymerization of 3,4-ethylenedioxythiophene. The resulting nanocomposite was characterized by Fourier transform infrared spectroscopy, powder x-ray diffraction, x-ray photoelectron spectroscopy, thermal analysis, transmission electron microscopy, and four-probe electrical conductivity measurements with respect to temperature. X-ray diffraction results indicated that the exfoliated MoS2 and PEDOT are restacked to produce a novel nanoscale composite material containing alternate nanoribbons of PEDOT in between MoS2 with a basal distance of ∼1.38 nm. The nanocomposite, which could be used as a cathode material for small power rechargeable lithium batteries, has also been demonstrated by the electrochemical insertion of lithium into the PEDOT/MoS2 nanocomposite, where a significant enhancement in the discharge capacity is observed, compared to that of respective pristine molybdenum disulfide.
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Zhang, Yu Lin, Yong Xiang Zhai, Xiao Ya Liu, Jing Luo et Yan Yuan. « One-Pot Synthesis of UV-Curable Au/PEDOT Conductive Ink by Using Amphiphilic Polymer PSMH as Templates ». Applied Mechanics and Materials 748 (avril 2015) : 101–6. http://dx.doi.org/10.4028/www.scientific.net/amm.748.101.

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In this paper, we report a one-pot method to prepare a new type of UV-curable Au/PEDOT nanocomposite used in printed electronics, which use an amphiphilic polymer polystyrenesulfonate-alt-[maleic anhydride-g-(2-hydroxy-ethyl-methacrylate)] (PSMH) as a conductive ink. The synthesis included the reduction of chloroauric acid using EDOT (3, 4-Ethylenedioxythiophene).PSMH acted a dopant for PEDOT and a stabilizer of Au nanoparticles due to the ligand exchange between chloroauric acid and carboxylate group. The carbon-carbon double bonds have been introduced into this ink with UV-curable property to enhance the water resistance of this nanocomposite before inkjet-printing. The particle size of this nanocomposite is above 200 nm while the gold particles size is above 3~10 nm. This UV-curable Au/PEDOT nanocomposite can be used as a conductive ink for inkjet printing.
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Alsultan, Mohammed, Anwer M. Ameen, Amar Al-keisy et Gerhard F. Swiegers. « Conducting-Polymer Nanocomposites as Synergistic Supports That Accelerate Electro-Catalysis : PEDOT/Nano Co3O4/rGO as a Photo Catalyst of Oxygen Production from Water ». Journal of Composites Science 5, no 9 (12 septembre 2021) : 245. http://dx.doi.org/10.3390/jcs5090245.

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This work describes how conducting polymer nanocomposites can be employed as synergistic supports that significantly accelerate the rate of electro-catalysis. The nanocomposite PEDOT/nano-Co3O4/rGO is discussed as an example in this respect, which is specific for photo electro-catalytic oxygen (O2) generation from water using light (PEDOT = poly (3,4-ethylenedioxythiophene); rGO = reduced graphene oxide). We show that the conducting polymer PEDOT and the conductive additive rGO may be used to notably amplify the rate of O2-generation from water by the nano catalyst, Co3O4. A composite film containing the precise molar ratio 7.18 (C; PEDOT):1 (Co):5.18 (C; rGO) exhibited high photocatalytic activity (pH 12) for the oxygen evolution reaction (OER) at 0.80 V (vs. Ag/AgCl), with a current density of 1000 ± 50 μA/cm2 (including a photocurrent of 500 μA/cm2), achieved after >42 h of operation under illumination with a light of intensity 0.25 sun. By comparison, the best industrial catalyst, Pt, yielded a much lower 150 μA/cm2 under the same conditions. Oxygen gas was the sole product of the reaction.
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KIAMAHALLEH, MEISAM VALIZADEH, CHAN IOU CHENG, SUHAIRI ABD SATA, SURANI BUNIRAN et SHARIF HUSSEIN SHARIF ZEIN. « HIGHLY EFFICIENT HYBRID SUPERCAPACITOR MATERIAL FROM NICKEL-MANGANESE OXIDES/MWCNTs/PEDOT NANOCOMPOSITE ». Nano 05, no 03 (juin 2010) : 143–48. http://dx.doi.org/10.1142/s1793292010002049.

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A novel ternary nanocomposite of nickel-manganese oxides/multi-walled carbon nanotubes (NMO/MWCNTs) coated with poly (3,4-ethylenedioxythiophene)(PEDOT) was prepared by chemical oxidation method. The filling of NMO particles inside MWCNTs and the uniform coating of NMO/MWCNTs with PEDOT intensified the capacitive behavior of MWCNTs. The lowest IR drop (0.1 V) and highest specific capacitance (SC) values of 526.55 F/g of NMO/MWCNTs/PEDOT imply it as highly efficient hybrid supercapacitor materials in 6 M KOH electrolyte.
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Khan, Salma, et A. K. Narula. « Synthesis of a bimetallic conducting nano-hybrid composite of Au–Pt@PEDOT exhibiting fluorescence ». New Journal of Chemistry 42, no 4 (2018) : 2537–44. http://dx.doi.org/10.1039/c7nj04298a.

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7

Selvaganesh, S. Vinod, J. Mathiyarasu, K. L. N. Phani et V. Yegnaraman. « Chemical Synthesis of PEDOT–Au Nanocomposite ». Nanoscale Research Letters 2, no 11 (25 octobre 2007) : 546–49. http://dx.doi.org/10.1007/s11671-007-9100-6.

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8

Sheng, Ge, Guiyun Xu, Shenghao Xu, Shiying Wang et Xiliang Luo. « Cost-effective preparation and sensing application of conducting polymer PEDOT/ionic liquid nanocomposite with excellent electrochemical properties ». RSC Advances 5, no 27 (2015) : 20741–46. http://dx.doi.org/10.1039/c4ra15755a.

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9

SONG, DANDAN, MEICHENG LI, FAN BAI, YINGFENG LI, YONGJIAN JIANG et BING JIANG. « SILICON NANOPARTICLES/PEDOT–PSS NANOCOMPOSITE AS AN EFFICIENT COUNTER ELECTRODE FOR DYE-SENSITIZED SOLAR CELLS ». Functional Materials Letters 06, no 04 (août 2013) : 1350048. http://dx.doi.org/10.1142/s1793604713500483.

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A novel inorganic/organic nanocomposite film composed of Si nanoparticles (NPs) and poly-(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT–PSS) is obtained from a simple mechanical mixture of Si NPs powder and aqueous PEDOT–PSS solution. Employing this composite film as a counter electrode, dye-sensitized solar cell (DSSC) exhibits an efficiency of 5.7% and a fill factor of 0.51, which are much higher than these of DSSC using pristine PEDOT–PSS electrode (2.9% and 0.25, respectively). The improvements in the photovoltaic performance of the former are primarily derived from improved electrocatalytic performance of the electrode, as evidenced by electrochemical measurements, the composite electrode has lower impedance and higher electrocatalytic activity when in comparison with pristine PEDOT–PSS electrode. These improvements are primarily deriving from the increased electrochemical surface by the addition of Si NPs. The characteristics of Si NPs/PEDOT–PSS composite counter electrode reveal its potential for the use of low-cost and stable Pt-free counter electrode materials. In addition, the results achieved in this work also provide a facile and efficient approach to improve the photovoltaic performance of DSSCs using PEDOT–PSS electrodes.
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Dehsari, Hamed Sharifi, Jaber Nasrollah Gavgani, Amirhossein Hasani, Mojtaba Mahyari, Elham Khodabakhshi Shalamzari, Alireza Salehi et Farmarz Afshar Taromi. « Copper(ii) phthalocyanine supported on a three-dimensional nitrogen-doped graphene/PEDOT-PSS nanocomposite as a highly selective and sensitive sensor for ammonia detection at room temperature ». RSC Advances 5, no 97 (2015) : 79729–37. http://dx.doi.org/10.1039/c5ra13976g.

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Lei, Wu, Lihua Wu, Wenjing Huang, Qingli Hao, Yuehua Zhang et Xifeng Xia. « Microwave-assisted synthesis of hemin–graphene/poly(3,4-ethylenedioxythiophene) nanocomposite for a biomimetic hydrogen peroxide biosensor ». J. Mater. Chem. B 2, no 27 (2014) : 4324–30. http://dx.doi.org/10.1039/c4tb00313f.

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The ternary nanocomposite hemin–graphene sheets/poly(3,4-ethylenedioxythiophene) (H–GNs/PEDOT) synthesized by a microwave-assisted method exhibits good electrocatalytic activity towards the reduction of hydrogen peroxide.
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12

Mathiyarasu, J., S. Senthilkumar, K. L. N. Phani et V. Yegnaraman. « PEDOT-Au nanocomposite film for electrochemical sensing ». Materials Letters 62, no 4-5 (février 2008) : 571–73. http://dx.doi.org/10.1016/j.matlet.2007.06.004.

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13

Hui, Ni, Wenting Wang, Guiyun Xu et Xiliang Luo. « Graphene oxide doped poly(3,4-ethylenedioxythiophene) modified with copper nanoparticles for high performance nonenzymatic sensing of glucose ». Journal of Materials Chemistry B 3, no 4 (2015) : 556–61. http://dx.doi.org/10.1039/c4tb01831a.

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A highly sensitive and stable nonenzymatic glucose sensor was developed through the electrochemical deposition of Cu nanoparticles onto an electrodeposited nanocomposite of conducting polymer PEDOT doped with graphene oxide.
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14

Zamiri, Golnoush, et A. S. M. A. Haseeb. « Recent Trends and Developments in Graphene/Conducting Polymer Nanocomposites Chemiresistive Sensors ». Materials 13, no 15 (24 juillet 2020) : 3311. http://dx.doi.org/10.3390/ma13153311.

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The use of graphene and its derivatives with excellent characteristics such as good electrical and mechanical properties and large specific surface area has gained the attention of researchers. Recently, novel nanocomposite materials based on graphene and conducting polymers including polyaniline (PANi), polypyrrole (PPy), poly (3,4 ethyldioxythiophene) (PEDOT), polythiophene (PTh), and their derivatives have been widely used as active materials in gas sensing due to their unique electrical conductivity, redox property, and good operation at room temperature. Mixing these two materials exhibited better sensing performance compared to pure graphene and conductive polymers. This may be attributed to the large specific surface area of the nanocomposites, and also the synergistic effect between graphene and conducting polymers. A variety of graphene and conducting polymer nanocomposite preparation methods such as in situ polymerization, electropolymerization, solution mixing, self-assembly approach, etc. have been reported and utilization of these nanocomposites as sensing materials has been proven effective in improving the performance of gas sensors. Review of the recent research efforts and developments in the fabrication and application of graphene and conducting polymer nanocomposites for gas sensing is the aim of this review paper.
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Dinh, Nguyen Nang, Do Ngoc Chung, Tran Thi Thao et David Hui. « Study of Nanostructured Polymeric Composites Used for Organic Light Emitting Diodes and Organic Solar Cells ». Journal of Nanomaterials 2012 (2012) : 1–6. http://dx.doi.org/10.1155/2012/190290.

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Polymeric nanocomposite films from PEDOT and MEH-PPV embedded with surface modified TiO2nanoparticles for the hole transport layer and emission layer were prepared, respectively, for organic emitting diodes (OLEDs). The composite of MEH-PPV+nc-TiO2was used for organic solar cells (OSCs). The characterization of these nanocomposites and devices showed that electrical (I-Vcharacteristics) and spectroscopic (photoluminescent) properties of conjugate polymers were enhanced by the incorporation of nc-TiO2in the polymers. The organic light emitting diodes made from the nanocomposite films would exhibit a larger photonic efficiency and a longer lasting life. For the organic solar cells made from MEH-PPV+nc-TiO2composite, a fill factor reached a value of about 0.34. Under illumination by light with a power density of 50 mW/cm2, the photoelectrical conversion efficiency was about 0.15% corresponding to an open circuit voltageVoc= 0.126 V and a shortcut circuit current densityJsc= 1.18 mA/cm2.
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Ummartyotin, S., J. Juntaro, C. Wu, M. Sain et H. Manuspiya. « Deposition of PEDOT : PSS Nanoparticles as a Conductive Microlayer Anode in OLEDs Device by Desktop Inkjet Printer ». Journal of Nanomaterials 2011 (2011) : 1–7. http://dx.doi.org/10.1155/2011/606714.

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A simple microfabrication technique for delivering macromolecules and patterning microelectrode arrays using desktop inkjet printer was described. Aqueous solution of nanoparticle of poly (3,4-ethylenedioxythiophene) (PEDOT) doped with polystyrene sulfonic acid (PSS) was prepared while its particle size, the surface tension, and the viscosity of the solution were adjusted to be suitable for deposition on a flexible cellulose nanocomposite substrate via inkjet printer. The statistical average of PEDOT: PSS particle size of 100 nm was observed. The microthickness, surface morphology, and electrical conductivity of the printed substrate were then characterized by profilometer, atomic force microscope (AFM), and four-point probe electrical measurement, respectively. The inkjet deposition of PEDOT: PSS was successfully carried out, whilst retained its transparency feature. Highly smooth surface (roughness ~23–44 nm) was achieved.
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Erol, O., et H. I. Unal. « Core/shell-structured, covalently bonded TiO2/poly(3,4-ethylenedioxythiophene) dispersions and their electrorheological response : the effect of anisotropy ». RSC Advances 5, no 125 (2015) : 103159–71. http://dx.doi.org/10.1039/c5ra20284a.

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Higher surface area, rod-to-rod interactions and conducting thin shell induced covalently-bonded core/shell nanorod-TiO2/PEDOT nanocomposite to show stronger ER activity and higher recovery after stress loading compared to particulate one.
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Ferhat, Salim, Christophe Domain, Julien Vidal, Didier Noël, Bernard Ratier et Bruno Lucas. « Organic thermoelectric devices based on a stable n-type nanocomposite printed on paper ». Sustainable Energy & ; Fuels 2, no 1 (2018) : 199–208. http://dx.doi.org/10.1039/c7se00313g.

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Pisesweerayos, Prasit, Somsak Dangtip, Pitt Supaphol et Toemsak Srikhirin. « Conductive Nanocomposite Aligned Fibers of PVA-AgNPs-PEDOT/PSS ». Advanced Materials Research 1033-1034 (octobre 2014) : 1009–19. http://dx.doi.org/10.4028/www.scientific.net/amr.1033-1034.1009.

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Poly (vinyl alcohol)-silver nanoparticles (PVA:AgNPs), and poly (vinyl alcohol)-silver nanoparticles-poly (3, 4-ethylene dioxythiophene)/poly (styrene sulfonate) (PVA:AgNPs: PEDOT/ PSS) were generated as ultra-fine electrospun fibers using the aligned fiber mat and aligned single fiber techniques. SEM and TEM were used to confirm the morphology, diameter size, and fiber alignment of the ultra-fine fibers. A two-probe technique was utilized to assess the electrical conductivity of the ultrafine fibers. The highest conductivity of PVA:AgNPs, (10 %w/v:0.75 %w/v) with a fiber diameter of 0.152 μm, with voltage applied at 17.5 kV within a 20 min collection period in the electrospinning process, was 43.20 S/cm; whereas the highest conductivity of PVA:AgNPs: PEDOT/PSS, (10 %w/v:0.25 %w/v:0.084 %w/v), with a fiber diameter of 0.158 μm and voltage applied at 17.5 kV within a 45 min collection period in the electrospinning process, was 92.18 S/cm.
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Khasim, Syed, Apsar Pasha, Nacer Badi, Adnen Ltaief, S. A. Al-Ghamdi et Chellasamy Panneerselvam. « Expression of concern : Design and development of highly sensitive PEDOT-PSS/AuNP hybrid nanocomposite-based sensor towards room temperature detection of greenhouse methane gas at ppb level ». RSC Advances 13, no 13 (2023) : 8719. http://dx.doi.org/10.1039/d3ra90018e.

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Expression of concern for ‘Design and development of highly sensitive PEDOT-PSS/AuNP hybrid nanocomposite-based sensor towards room temperature detection of greenhouse methane gas at ppb level’ by Syed Khasim et al., RSC Adv., 2021, 11, 15017–15029. DOI https://doi.org/10.1039/D1RA00994J.
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Zheng, Chunmei, Fubin Pei, Shasha Feng, Yi Wu, Yong Ding et Wu Lei. « Electrochemical Synthesis of Nickel–Copper Alloy Nanocomposite to Fabricate an Electrochemical Sensor for Uric Acid ». Nano 15, no 12 (25 novembre 2020) : 2050153. http://dx.doi.org/10.1142/s1793292020501532.

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In this work, a sensor for quantitative detection of uric acid (UA) is successfully prepared by electrodepositing Nickel–Copper (Ni–Cu) alloy nanoparticles on poly (3,4-ethyldioxythiophene) modified nitrogen-containing grapheme (Ni–Cu/PEDOT/NGE). The anchoring of PEDOT and Cu–Ni alloy nanoparticles on NGE not only prevents the agglomeration of NGE, but also improves the catalytic activity of the composites. Ni–Cu/PEDOT/NGE shows high electrochemical performance to UA and the oxidation of UA on its interface was an action with two protons and two electrons. Under the optimized condition, the response current of the sensor is linear with UA concentration within the range of 0.1–10[Formula: see text][Formula: see text]M and 10–50[Formula: see text][Formula: see text]M. A low detection limit of 0.059[Formula: see text][Formula: see text]M at S/[Formula: see text] is obtained. Additionally, the fabricated electrochemical sensor with good sensitivity and selectivity to UA may be promising for practical clinical testing.
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Khasim, Syed, Apsar Pasha, Nacer Badi, Mohana Lakshmi et Yogendra Kumar Mishra. « High performance flexible supercapacitors based on secondary doped PEDOT–PSS–graphene nanocomposite films for large area solid state devices ». RSC Advances 10, no 18 (2020) : 10526–39. http://dx.doi.org/10.1039/d0ra01116a.

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In this work, we propose the development of high performance and flexible supercapacitors using reduced graphene oxide (rGO) incorporated poly(3,4 ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT–PSS) nanocomposites by secondary doping.
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Hegde, Roopa, Koona Ramji, Swapna Peravali, Yallappa Shiralgi, Gurumurthy Hegde et Lavakumar Bathini. « Characterization of MWCNT-PEDOT : PSS Nanocomposite Flexible Thin Film for Piezoresistive Strain Sensing Application ». Advances in Polymer Technology 2019 (10 juin 2019) : 1–9. http://dx.doi.org/10.1155/2019/9320976.

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Multiwalled carbon nanotubes (MWCNTs) were synthesized by the reduction of ethyl alcohol with sodium borohydride (NaBH4) under a strong basic solvent with the high concentration of sodium hydroxide (NaOH). Nanocomposites of different concentration of MWCNT dispersed in poly(3,4-ethylene dioxythiophene) polymerized with poly(4-styrene sulfonate) (PEDOT:PSS) were prepared and deposited on a flexible polyethylene terephthalate (PET) polymer substrates by the spin coating method. The thin films were characterized for their nanostructure and subsequently evaluated for their piezoresistive response. The films were subjected to an incremental strain from 0 to 6% at speed of 0.2 mm/min. The nanocomposite thin film with 0.1 wt% of MWCNT exhibits the highest gauge factor of 22.8 at 6% strain as well as the highest conductivity of 13.5 S/m. Hence, the fabricated thin film was found to be suitable for piezoresistive flexible strain sensing applications.
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Wang, Zhaohui, Petter Tammela, Jinxing Huo, Peng Zhang, Maria Strømme et Leif Nyholm. « Solution-processed poly(3,4-ethylenedioxythiophene) nanocomposite paper electrodes for high-capacitance flexible supercapacitors ». Journal of Materials Chemistry A 4, no 5 (2016) : 1714–22. http://dx.doi.org/10.1039/c5ta10122k.

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Nanostructured flexible PEDOT paper can be constructed by straightforward chemical polymerization on nanocellulose building blocks, yielding a high surface area, low sheet resistance and outstanding capacitive performance.
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Machhindra, Londhe Akash, et Yi-Kuang Yen. « A Highly Sensitive Electrochemical Sensor for Cd2+ Detection Based on Prussian Blue-PEDOT-Loaded Laser-Scribed Graphene-Modified Glassy Carbon Electrode ». Chemosensors 10, no 6 (2 juin 2022) : 209. http://dx.doi.org/10.3390/chemosensors10060209.

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Heavy metal ion pollution has had a serious influence on human health and the environment. Therefore, the monitoring of heavy metal ions is of great practical significance. In this work, we describe the development of an electrochemical sensor to detect cadmium (Cd2+) using a Prussian blue (PB), poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT)-loaded laser-scribed graphene (LSG) nanocomposite-modified glassy carbon electrode (GCE). In this nanocomposite material, we successfully brought together the advantages of an extraordinarily large surface area. The accumulation of PB nanoparticles results in an efficient electrochemical sensor with high sensitivity and selectivity and fast detection ability, developed for the trace-level detection of Cd2+. Electrochemical features were explored via cyclic voltammetry (CV), whereas the stripping voltammetry behavior of modified electrodes was analyzed by utilizing differential pulse voltammetry. Compared with bare GCE, the LSG/PB-PEDOT/GCE modified electrode greatly increased the anodic stripping peak currents of Cd2+. Under the optimized conditions, the direct and facile detection of Cd2+ was achieved with a wide linear range (1 nM–10 µM) and a low LOD (0.85 nM).
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Chung, Do, Nguyen Dinh, Tran Thao, Nguyen Nam, Tran Trung et David Hui. « Study of nanostructured polymeric composites used for organic light emitting diodes and organic solar cells ». World Journal of Engineering 9, no 5 (1 octobre 2012) : 399–406. http://dx.doi.org/10.1260/1708-5284.9.5.399.

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Polymeric nanocomposite films from PEDOT and MEH-PPV embedded with surface modified TiO2 nanoparticles were prepared, respectively for the hole transport layer (HTL) and emission layer (EL) in Organic Light Emitting Diodes (OLED). The composite of MEH-PPV + nc-TiO2 was used for Organic Solar Cells (OCS). The results from the characterization of the properties of the nanocomposites and devices showed that electrical (I-V characteristics) and spectroscopic (photoluminescent) properties of the conjugate polymers were enhanced due to the incorporation of nc-TiO2 in the polymers. The OLEDs made from the nanocomposite films would exhibit a larger photonic efficiency and a longer lasting life. For the OSC made from MEH-PPV + nc-TiO2 composite, the fill factor (FF) reached a value as high as 0.34. Under illumination of light with a power density of 50 mW/cm2, the photoelectrical conversion efficiency (PEC) was found to be of 0.15% corresponding to an open circuit voltage VOC = 1.15 V and a short-cut circuit current density JSC = 0.125 mA/cm2.
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Volkov, Filipp S., Svetlana N. Eliseeva, Mikhail A. Kamenskii, Alexey I. Volkov, Elena G. Tolstopjatova, Oleg V. Glumov, Lijun Fu et Veniamin V. Kondratiev. « Vanadium Oxide-Poly(3,4-ethylenedioxythiophene) Nanocomposite as High-Performance Cathode for Aqueous Zn-Ion Batteries : The Structural and Electrochemical Characterization ». Nanomaterials 12, no 21 (4 novembre 2022) : 3896. http://dx.doi.org/10.3390/nano12213896.

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In this work the nanocomposite of vanadium oxide with conducting polymer poly(3,4-ethylenedioxythiophene) (VO@PEDOT) was obtained by microwave-assisted hydrothermal synthesis. The detailed study of its structural and electrochemical properties as cathode of aqueous zinc-ion battery was performed by scanning electron microscopy, energy dispersive X-ray analysis, X-ray diffraction analysis, X-ray photoelectron spectroscopy, thermogravimetric analysis, cyclic voltammetry, galvanostatic charge–discharge, and electrochemical impedance spectroscopy. The initial VO@PEDOT composite has layered nanosheets structure with thickness of about 30–80 nm, which are assembled into wavy agglomerated thicker layers of up to 0.3–0.6 μm. The phase composition of the samples was determined by XRD analysis which confirmed lamellar structure of vanadium oxide V10O24∙12H2O with interlayer distance of about 13.6 Å. The VO@PEDOT composite demonstrates excellent electrochemical performance, reaching specific capacities of up to 390 mA∙h∙g−1 at 0.3 A∙g−1. Moreover, the electrodes retain specific capacity of 100 mA∙h∙g−1 at a high current density of 20 A∙g−1. The phase transformations of VO@PEDOT electrodes during the cycling were studied at different degrees of charge/discharge by using ex situ XRD measurements. The results of ex situ XRD allow us to conclude that the reversible zinc ion intercalation occurs in stable zinc pyrovanadate structures formed during discharge.
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Kokate, Kiran K., Shrikaant Kulkarni et Subodh E. Bhandarkar. « Synthesis, Characterization of PEDOT-Metal Oxides Nanocomposites and use of PEDOT-ZnO nanocomposite as the Photoanode in Dye sensitized solar cells (DSSC) ». Asian Journal of Research in Chemistry 11, no 1 (2018) : 91. http://dx.doi.org/10.5958/0974-4150.2018.00020.2.

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E. Amr, Abd, Mohamed Al-Omar, Ayman H. Kamel et Elsayed A. Elsayed. « Single-Piece Solid Contact Cu2+-Selective Electrodes Based on a Synthesized Macrocyclic Calix[4]arene Derivative as a Neutral Carrier Ionophore ». Molecules 24, no 5 (6 mars 2019) : 920. http://dx.doi.org/10.3390/molecules24050920.

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Herein, a facile route leading to good single-walled carbon nanotubes (SWCNT) dispersion or poly (3,4-ethylenedioxythiophene)/poly(styrenesulfonate) (PEDOT/PSS) based single-piece nanocomposite membrane is proposed for trace determination of Cu2+ ions. The single-piece solid contact Cu2+-selective electrodes were prepared after drop casting the membrane mixture on the glassy-carbon substrates. The prepared potentiometric sensors revealed a Nernstian response slope of 27.8 ± 0.3 and 28.1 ± 0.4 mV/decade over the linearity range 1.0 × 10−3 to 2.0 × 10−9 and 1.0 × 10−3 to 1.0 × 10−9 M with detection limits of 5.4 × 10−10 and 5.0 × 10−10 M for sensors based on SWCNTs and PEDOT/PSS, respectively. Excellent long-term potential stability and high hydrophobicity of the nanocomposite membrane are recorded for the prepared sensors due to the inherent high capacitance of SWCNT used as a solid contact material. The sensors exhibited high selectivity for Cu2+ ions at pH 4.5 over other common ions. The sensors were applied for Cu2+ assessment in tap water and different tea samples. The proposed sensors were robust, reliable and considered as appealing sensors for copper (II) detection in different complex matrices.
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da Silva, Romário J., Graciela C. Pedro, Filipe D. S. Gorza, Bruna G. Maciel, Gabriela P. Ratkovski, Lizeth Carolina Mojica-Sánchez, Juan C. Medina-Llamas, Alicia E. Chávez-Guajardo et Celso P. de Melo. « DNA purification using a novel γ-Fe2O3/PEDOT hybrid nanocomposite ». Analytica Chimica Acta 1178 (septembre 2021) : 338762. http://dx.doi.org/10.1016/j.aca.2021.338762.

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Agnihotri, Nidhi, Pintu Sen, Amitabha De et Manabendra Mukherjee. « Hierarchically designed PEDOT encapsulated graphene-MnO 2 nanocomposite as supercapacitors ». Materials Research Bulletin 88 (avril 2017) : 218–25. http://dx.doi.org/10.1016/j.materresbull.2016.12.036.

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Sen, Pintu, Subhasis Rana et Amitabha De. « Hierarchical Design of rGO-PEDOT- δ-MnO2 Nanocomposite for Supercapacitors ». Journal of Electronic Materials 49, no 1 (13 novembre 2019) : 763–72. http://dx.doi.org/10.1007/s11664-019-07794-3.

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Park, Eun-Soo. « Preparation and morphology of electroconductive PEDOT/PSS/ATO nanocomposite microsphere ». Polymer Composites 36, no 7 (19 avril 2014) : 1352–64. http://dx.doi.org/10.1002/pc.23040.

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Vinod Selvaganesh, S., P. Dhanasekaran, Raghuram Chetty et Santoshkumar D. Bhat. « Microwave assisted poly(3,4-ethylenedioxythiophene)–reduced graphene oxide nanocomposite supported Pt as durable electrocatalyst for polymer electrolyte fuel cells ». New Journal of Chemistry 42, no 13 (2018) : 10724–32. http://dx.doi.org/10.1039/c8nj00378e.

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Lin, Kuo Chiang, Tsung Han Wu et Shen Ming Chen. « A highly sensitive persulfate sensor based on a hybrid nanocomposite with silicomolybdate doping poly(3,4-ethylenedioxythiophene) on multi-walled carbon nanotubes ». RSC Advances 5, no 74 (2015) : 59946–52. http://dx.doi.org/10.1039/c5ra09009a.

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Khasim, Syed, Apsar Pasha, Nacer Badi, Adnen Ltaief, S. A. Al-Ghamdi et Chellasamy Panneerselvam. « Design and development of highly sensitive PEDOT-PSS/AuNP hybrid nanocomposite-based sensor towards room temperature detection of greenhouse methane gas at ppb level ». RSC Advances 11, no 25 (2021) : 15017–29. http://dx.doi.org/10.1039/d1ra00994j.

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Cai, Yue, Huan Kang, Fengxing Jiang, Liming Xu, Yao He, Jingkun Xu, Xuemin Duan, Weiqiang Zhou, Xinyu Lu et Quan Xu. « The construction of hierarchical PEDOT@MoS2 nanocomposite for high-performance supercapacitor ». Applied Surface Science 546 (avril 2021) : 149088. http://dx.doi.org/10.1016/j.apsusc.2021.149088.

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Murugan, A. Vadivel, Chai-Won Kwon, Gay Campet, B. B. Kale, Trupti Maddanimath et K. Vijayamohanan. « Electrochemical lithium insertion into a poly(3,4-ethylenedioxythiophene)PEDOT/V2O5 nanocomposite ». Journal of Power Sources 105, no 1 (mars 2002) : 1–5. http://dx.doi.org/10.1016/s0378-7753(01)00992-2.

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Gulercan, Deniz, Daniel Commandeur, Qiao Chen et A. Sezai Sarac. « A Ternary PEDOT-TiO2-Reduced Graphene Oxide Nanocomposite for Supercapacitor Applications ». Macromolecular Research 27, no 9 (11 mai 2019) : 867–75. http://dx.doi.org/10.1007/s13233-019-7126-0.

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Chi, Le Ha. « Electrical and Optical Properties of the Hybrid TiO\(_{2}\) Nanocrystals - MEH-PPV Thin Films ». Communications in Physics 19, no 4 (31 décembre 2009) : 243–48. http://dx.doi.org/10.15625/0868-3166/19/4/6410.

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Recently, the conjugated polymer -- inorganic nanocomposites have been increasingly studied because of their enhanced optical and electronic properties as well as their potential application in developing optoelectronic devices. In this study nanocomposite materials thin films based on poly [2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylene vinylene] (MEH-PPV) and nanocrystalline TiO\(_{2}\) (nc-TiO\(_{2}\)) have been fabricated. The photoluminescence (PL) spectra of pure MEH-PPV and nanohybrid films have shown that the excitation at a 377 nm wavelength leads to the strongly enhanced performance in photoluminescent intensity due to the compositions of TiO\(_{2}\) component. Current-voltage (I-V) characteristics of multi-layer device Al//MEH-PPV:nc-TiO\(_{2}\)//PEDOT: PSS//ITO//glass were investigated. The results show that the hybrid MEH-PPV:nc-TiO\(_{2}\) materials with high concentrations of TiO\(_{2}\) (>25%) can be expected to be a good candidate for photovoltaic solar cell applications whereas those with lower concentrations of TiO\(_{2}\) are more suitable for organic light-emitting diodes (OLEDs).
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Rodrigues, Rebeca da Rocha, Diogo Silva Pellosi, Guy Louarn et Laura Oliveira Péres. « Nanocomposite Films of Silver Nanoparticles and Conjugated Copolymer in Natural and Nano-Form : Structural and Morphological Studies ». Materials 16, no 10 (11 mai 2023) : 3663. http://dx.doi.org/10.3390/ma16103663.

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The use of conjugated polymers (CPs) and metallic nanoparticles is an interesting way to form nanocomposites with improved optical properties. For instance, a nanocomposite with high sensitivity can be produced. However, the hydrophobicity of CPs may hamper applications due to their low bioavailability and low operability in aqueous media. This problem can be overcome by forming thin solid films from an aqueous dispersion containing small CP nanoparticles. So, in this work we developed the formation of thin films of poly(9,9-dioctylfluorene-co-3,4-ethylenedioxythiophene) (PDOF-co-PEDOT) from its natural and nano form (NCP) from aqueous solution. These copolymers were then blended in films with triangular and spherical silver nanoparticles (AgNP) for future applicability as a SERS sensor of pesticides. TEM characterization showed that the AgNP were adsorbed on the NCP surface, forming a nanostructure with an average diameter of 90 nm (value according to that obtained by DLS) and with a negative potential zeta. These nanostructures were transferred to a solid substrate, forming thin and homogeneous films with different morphology of PDOF-co-PEDOT films, as observed by atomic force microscopy (AFM). XPS data demonstrated the presence of the AgNP in the thin films, as well as evidence that films with NCP are more resistant to the photo-oxidation process. Raman spectra showed characteristic peaks of the copolymer in the films prepared with NCP. It should also be noted the enhancement effect of Raman bands observed on films containing AgNP, a strong indication of the SERS effect induced by the metallic nanoparticles. Furthermore, the different geometry of the AgNP influences the way in which the adsorption between the NCP and the metal surface occurs, with a perpendicular adsorption between the NCP chains and the surface of the triangular AgNP.
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Safari, Zeinab, Mahmood Borhani Zarandi, Antonella Giuri, Francesco Bisconti, Sonia Carallo, Andrea Listorti, Carola Esposito Corcione, Mohamad Reza Nateghi, Aurora Rizzo et Silvia Colella. « Optimizing the Interface between Hole Transporting Material and Nanocomposite for Highly Efficient Perovskite Solar Cells ». Nanomaterials 9, no 11 (16 novembre 2019) : 1627. http://dx.doi.org/10.3390/nano9111627.

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The performances of organometallic halide perovskite-based solar cells severely depend on the device architecture and the interface between each layer included in the device stack. In particular, the interface between the charge transporting layer and the perovskite film is crucial, since it represents both the substrate where the perovskite polycrystalline film grows, thus directly influencing the active layer morphology, and an important site for electrical charge extraction and/or recombination. Here, we focus on engineering the interface between a perovskite-polymer nanocomposite, recently developed by our group, and different commonly employed polymeric hole transporters, namely PEDOT: PSS [poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)], PEDOT, PTAA [poly(bis 4-phenyl}{2,4,6-trimethylphenyl}amine)], Poly-TPD [Poly(N,N′-bis(4-butylphenyl)-N,N′-bis(phenyl)-benzidine] Poly-TPD, in inverted planar perovskite solar cell architecture. The results show that when Poly-TPD is used as the hole transfer material, perovskite film morphology improved, suggesting an improvement in the interface between Poly-TPD and perovskite active layer. We additionally investigate the effect of the Molecular Weight (MW) of Poly-TPD on the performance of perovskite solar cells. By increasing the MW, the photovoltaic performances of the cells are enhanced, reaching power conversion efficiency as high as 16.3%.
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Mathiyarasu, J., S. Senthilkumar, K. L. N. Phani et V. Yegnaraman. « PEDOT-Au Nanocomposite Films for Electrochemical Sensing of Dopamine and Uric Acid ». Journal of Nanoscience and Nanotechnology 7, no 6 (1 juin 2007) : 2206–10. http://dx.doi.org/10.1166/jnn.2007.796.

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Sun, Dong Cheng, et De Sheng Sun. « The synthesis and characterization of electrical and magnetic nanocomposite : PEDOT/PSS–Fe3O4 ». Materials Chemistry and Physics 118, no 2-3 (décembre 2009) : 288–92. http://dx.doi.org/10.1016/j.matchemphys.2009.07.060.

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Ashery, A., A. A. M. Farag, A. E. H. Gaballah, G. Said et W. A. Arafa. « Nanostructural, optical and heterojunction characteristics of PEDOT™/ZnO nanocomposite thin films ». Journal of Alloys and Compounds 723 (novembre 2017) : 276–87. http://dx.doi.org/10.1016/j.jallcom.2017.06.260.

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Ates, Murat, Alpay Garip, Ozan Yörük, Yuksel Bayrak, Ozge Kuzgun et Murat Yildirim. « rGO/CuO/PEDOT nanocomposite formation, its characterisation and electrochemical performances for supercapacitors ». Plastics, Rubber and Composites 48, no 4 (18 mars 2019) : 168–84. http://dx.doi.org/10.1080/14658011.2019.1588509.

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Gavgani, Jaber Nasrollah, Hamed Sharifi Dehsari, Amirhossein Hasani, Mojtaba Mahyari, Elham Khodabakhshi Shalamzari, Alireza Salehi et Farmarz Afshar Taromi. « A room temperature volatile organic compound sensor with enhanced performance, fast response and recovery based on N-doped graphene quantum dots and poly(3,4-ethylenedioxythiophene)–poly(styrenesulfonate) nanocomposite ». RSC Advances 5, no 71 (2015) : 57559–67. http://dx.doi.org/10.1039/c5ra08158k.

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De, Amitabha, Pintu Sen, A. Poddar et A. Das. « Synthesis, characterization, electrical transport and magnetic properties of PEDOT–DBSA–Fe3O4 conducting nanocomposite ». Synthetic Metals 159, no 11 (juin 2009) : 1002–7. http://dx.doi.org/10.1016/j.synthmet.2008.12.030.

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Baruah, Bhagyalakhi, et Ashok Kumar. « Electrocatalytic Acitivity of rGO/PEDOT : PSS Nanocomposite towards Methanol Oxidation in Alkaline Media ». Electroanalysis 30, no 9 (7 juin 2018) : 2131–44. http://dx.doi.org/10.1002/elan.201800086.

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Maity, Shilpa, Nayim Sepay, Chiranjit Kulsi, Arpan Kool, Sukhen Das, Dipali Banerjee et Krishanu Chatterjee. « Enhancement of Thermoelectric Performance in Oligomeric PEDOT-SWCNT Nanocomposite via Band Gap Tuning ». ChemistrySelect 3, no 31 (20 août 2018) : 8992–97. http://dx.doi.org/10.1002/slct.201801384.

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