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Journal articles on the topic 'PEDOT PEDOT'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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1

Elmasly, Saadeldin E. T., Luca Guerrini, Joseph Cameron, et al. "Synergistic electrodeposition of bilayer films and analysis by Raman spectroscopy." Beilstein Journal of Organic Chemistry 14 (August 21, 2018): 2186–89. http://dx.doi.org/10.3762/bjoc.14.191.

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A novel methodology towards fabrication of multilayer organic devices, employing electrochemical polymer growth to form PEDOT and PEDTT layers, is successfully demonstrated. Moreover, careful control of the electrochemical conditions allows the degree of doping to be effectively altered for one of the polymer layers. Raman spectroscopy confirmed the formation and doped states of the PEDOT/PEDTT bilayer. The electrochemical deposition of a bilayer containing a de-doped PEDTT layer on top of doped PEDOT is analogous to a solution-processed organic semiconductor layer deposited on top of a PEDOT:

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2

Qi, Jian, Ning Bo Huo, Zheng Yi Cui, and Jie Wu. "Electrical Heating Properties of PEDOT Thin Film Prepared by In Situ Polymerization." Advanced Materials Research 538-541 (June 2012): 92–95. http://dx.doi.org/10.4028/www.scientific.net/amr.538-541.92.

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Poly (3, 4-ethylenedioxythiophene) (PEDT) has attracted a great deal of interest during the last decades. PEDOT was popular with many applications such as antistatic coating, the hole injection layer in OLED. The thermal stability of PEDOT is important in these applications. In this study, PEDOT films were prepared by oxidative polymerization on the substrate polyimide (PI) films. Matrix polymer poly (vinyl prrrolidone) (PVP), Monomer 3, 4-ethylenedioxythiophene), retardant were dissolved in solvent as monomer solution; The Iron (III) p-toluenesulfonate hexahydrate (FTS) was used as oxidant so

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3

Kim, Joon-Soo, Woongsik Jang, and Dong Wang. "The Investigation of the Seebeck Effect of the Poly(3,4-Ethylenedioxythiophene)-Tosylate with the Various Concentrations of an Oxidant." Polymers 11, no. 1 (2018): 21. http://dx.doi.org/10.3390/polym11010021.

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Poly(3,4-ethylenedioxythiophene)-tosylate (PEDOT-Tos) can be synthesized through an in situ polymerization and doping process with iron(III) p-toluenesulfonate hexahydrate as an oxidant. Both the Seebeck coefficient and the electrical conductivity were modified by varying the concentration of the oxidant. We investigated the effects of varying the concentration of the oxidant on the particle sizes and doping (oxidation) levels of PEDOT-Tos for thermoelectric applications. We demonstrated that an increase in the oxidant enabled an expansion of the particle sizes and the doping levels of the PED

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4

Chen, Shu Ai, Jing Kun Xu, Bao Yang Lu, Xue Min Duan, and Fang Fang Kong. "Solid-State Polymerization of 2,5-Dibromothiophene Derivatives and Properties of Corresponding Conducting Polymers." Advanced Materials Research 239-242 (May 2011): 924–29. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.924.

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Conducting polymers poly(3,4-ethylenedioxythiophene) (PEDOT) and poly(3,4-ethylenedithiathiophene) (PEDTT) have been synthesized by solid-state polymerization of 2,5-dibromo-3,4-ethylenedioxythiophene (DBEDOT) and 2,5-dibromo-3,4-ethylenedithiathiophene (DBEDTT) respectively in air and under vacuum. Both polymers were completely insoluble in common organic solvents and retained partial crystal structure of monomers as indicated by scanning electron microscopy (SEM) and X-ray diffraction (XRD) analyses. Thermoelectric tests showed that PEDTT exhibited Seebeck coefficient about 120 µV K−1at 170

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5

Sabatini, Valentina, Valentina Pifferi, Stefano Checchia, et al. "A Combined XRD, Solvatochromic, and Cyclic Voltammetric Study of Poly (3,4-Ethylenedioxythiophene) Doped with Sulfonated Polyarylethersulfones: Towards New Conducting Polymers." Polymers 10, no. 7 (2018): 770. http://dx.doi.org/10.3390/polym10070770.

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Despite the poor solubility in organic solvents, poly (3,4-ethylenedioxythiophene) (PEDOT) is one of the most successful conducting polymers. To improve PEDOT conductivity, the dopants commonly used are molecules/polymers carrying sulfonic functionalities. In addition to these species, sulfonated polyarylethersulfone (SPAES), obtained via homogeneous synthesis with different degrees of sulfonation (DS), can be used thanks to both the tight control over the DS and the charge separation present in SPAES structure. Here, PEDOTs having enhanced solubility in the chosen reaction solvents (N,N-dimet

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6

Hsu, Chuan-Chih, Yu-Wei Cheng, Che-Chun Liu, Xin-Yao Peng, Ming-Chi Yung, and Ting-Yu Liu. "Anti-Bacterial and Anti-Fouling Capabilities of Poly(3,4-Ethylenedioxythiophene) Derivative Nanohybrid Coatings on SUS316L Stainless Steel by Electrochemical Polymerization." Polymers 12, no. 7 (2020): 1467. http://dx.doi.org/10.3390/polym12071467.

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We have successfully fabricated poly(3,4-ethylenedioxythiophene) (PEDOT) derivative nanohybrid coatings on flexible SUS316L stainless steel by electrochemical polymerization, which can offer anti-fouling and anti-bacterial capabilities. PEDOT derivative nanohybrids were prepared from polystyrene sulfonates (PSS) and graphene oxide (GO) incorporated into a conducting polymer of PEDOT. Additionally, the negative charge of the PEDOT/GO substrate was further modified by poly-diallyldimethylammonium chloride (PDDA) to form a positively charged surface. These PEDOT derivative nanohybrid coatings cou

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7

Deng, Yong Hong, and Liang Xiao. "Synthesis of Conductive Polymer PEDOT in Aqueous Lignosulfonate Solutions." Advanced Materials Research 550-553 (July 2012): 802–6. http://dx.doi.org/10.4028/www.scientific.net/amr.550-553.802.

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To solve the solubility problem of conductive poly (3,4-ethylenedioxy thiophene) (PEDOT), PEDOT was synthesized from polymerization of 3,4-ethylenedioxy thiophene (EDOT) in aqueous lignosulfonate (LS) solutions with ammonium persulfate as the oxidant. Results showed that conductive polymer PEDOT was successfully obtained in the present of LS, and the PEDOT/LS conductive compounds could be well dispersed into water. The effective diameter of the PEDOT/LS compounds decreased with increasing feed ratio of EDOT:LS. When the EDOT:LS ratio was up to 3.5:1, the effective diameter of PEDOT/LS was abou

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8

Xie, Yong, Shi-Hao Zhang, Hai-Yun Jiang, et al. "Properties of carbon black-PEDOT composite prepared via in-situ chemical oxidative polymerization." e-Polymers 19, no. 1 (2019): 61–69. http://dx.doi.org/10.1515/epoly-2019-0008.

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AbstractA new conductive composite composed of nanoscale carbon black (CB) and poly(3,4-ethylenedioxythiophene) (PEDOT) was prepared by a simple in-situ polymerization. The morphology of the composite was characterized by scanning electron microscopy and transmission electron microscopy. The structure and thermal stability were examined by Fourier transform infrared spectroscopy and thermal gravimetric analysis, respectively. The results indicated that the addition of CB improved the agglomerated state of PEDOT. On the one hand, CB effectively hindered the agglomeration of PEDOT during the pol

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9

Zhang, Kun, Jingjing Qiu, and Shiren Wang. "Thermoelectric properties of PEDOT nanowire/PEDOT hybrids." Nanoscale 8, no. 15 (2016): 8033–41. http://dx.doi.org/10.1039/c5nr08421k.

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10

Hung, Pei-Sung, Guang-Ren Wang, Wei-An Chung, Tze-Ting Chiang, and Pu-Wei Wu. "Green Synthesis of Ni@PEDOT and Ni@PEDOT/Au (Core@Shell) Inverse Opals for Simultaneous Detection of Ascorbic Acid, Dopamine, and Uric Acid." Nanomaterials 10, no. 9 (2020): 1722. http://dx.doi.org/10.3390/nano10091722.

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We demonstrate a water-based synthetic route to fabricate composite inverse opals for simultaneous detection of ascorbic acid (AA), dopamine (DA), and uric acid (UA). Our process involves the conformal deposition of poly(3,4-ethylenedioxythiophene) (PEDOT) and PEDOT/Au on the skeletons of Ni inverse opals via cyclic voltammetric scans (CV) to initiate the electropolymerization of 3,4-ethylenedioxythiophene (EDOT) monomers. The resulting samples, Ni@PEDOT, and Ni@PEDOT/Au inverse opals, exhibit a three-dimensional ordered macroporous platform with a large surface area and interconnected pore ch

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11

Yasumoro, Keita, Yushi Fujita, Hideki Arimatsu, and Takuya Fujima. "A New Composite Structure of PEDOT/PSS: Macro-Separated Layers by a Polyelectrolyte Brush." Polymers 12, no. 2 (2020): 456. http://dx.doi.org/10.3390/polym12020456.

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Polyethylene dioxythiophene and polyethylene sulfonic acid (PEDOT/PSS) composite is gathering attention as an organic transparent conductive film material. However, it requires a core-shell structure in which conductive PEDOT is covered with insulating PSS. Providing film formability and a carrier to PEDOT, the PSS shell hinders carrier conduction as an insulating barrier. In this study, we realized that creating a macro-separated PEDOT/PSS composite by using a polyelectrolyte brush substrate and in-situ PEDOT polymerization without the PSS barrier increases durability and conductivity in comp

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12

Azman, Nur Hawa Nabilah, Hong Ngee Lim, and Yusran Sulaiman. "Influence of Concentration and Electrodeposition Time on the Electrochemical Supercapacitor Performance of Poly(3,4-Ethylenedioxythiophene)/Graphene Oxide Hybrid Material." Journal of Nanomaterials 2016 (2016): 1–10. http://dx.doi.org/10.1155/2016/5935402.

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Poly(3,4-ethylenedioxythiophene)/graphene oxide (PEDOT/GO) composites with wrinkled paper-like sheets morphology were electropolymerized potentiostatically at 1.2 V with different electrodeposition times (1–30 min) and various concentrations of GO (0.5, 1.0, 1.5, and 2.0 mg/mL). The electrochemical properties of PEDOT/GO composites as an electrode material for supercapacitor were investigated using cyclic voltammetry, electrochemical impedance spectroscopy (EIS), and galvanostatic charge-discharge (GCD). The CV results revealed that PEDOT/GO containing 1.0 mg/mL GO and electropolymerized for 1

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13

Krukiewicz, Katarzyna, Magdalena Chudy, Stephen Gregg, and Manus J. P. Biggs. "The Synergistic Effects of Gold Particles and Dexamethasone on the Electrochemical and Biological Performance of PEDOT Neural Interfaces." Polymers 11, no. 1 (2019): 67. http://dx.doi.org/10.3390/polym11010067.

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Although neural devices have shown efficacy in the treatment of neurodegenerative diseases, their functionality is limited by the inflammatory state and glial scar formation associated with chronic implantation. The aim of this study was to investigate neural electrode performance following functionalization with an anti-inflammatory coating derived from a conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT) matrix doped with dexamethasone (Dex) and decorated with Au particles. Pristine PEDOT, PEDOT-Dex and their gold-decorated analogues (PEDOT/Au and PEDOT-Dex/Au) were formulated by el

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14

Yang, Tsou, Hsiao, et al. "Electrochemical Polymerization of PEDOT–Graphene Oxide–Heparin Composite Coating for Anti-fouling and Anti-clotting of Cardiovascular Stents." Polymers 11, no. 9 (2019): 1520. http://dx.doi.org/10.3390/polym11091520.

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ABSTRACT: In this study, a novel hemocompatible coating on stainless steel substrates was prepared by electrochemically copolymerizing 3,4-ethylenedioxythiophene (EDOT) with graphene oxide (GO), polystyrene sulfonate (PSS), or heparin (HEP) on SUS316L stainless steel, producing an anti-fouling (anti-protein adsorption and anti-platelet adhesion) surface to avoid the restenosis of blood vessels. The negative charges of GO, PSS, and HEP repel negatively charged proteins and platelets to achieve anti-fouling and anti-clotting. The results show that the anti-fouling capability of the poly(3,4-ethy

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15

Lee, Sung Koo, and Kyeong K. Lee. "Conductivity Enhancement of PEDOT/PSS Films with Ionic Liquids as Dopants." Advanced Materials Research 93-94 (January 2010): 501–4. http://dx.doi.org/10.4028/www.scientific.net/amr.93-94.501.

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The ionic materials were added to PEDOT/PSS solution as secondary dopants. The conductivity of PEDOT/PSS film improved with adding ionic materials. The film of PEDOT/PSS with 1% pyridinium p-toluene-sulfonate showed the conductivity of 23S/cm, which is increased about three orders than the film of origin PEDOT/PSS with 0.028S/cm. The surface morphology of films of PEDOT/PSS mixture is investigated by atomic force microscope. The AFM showed the increasing of grain size with the addition of pyridinium p-toluene-sulfonate.

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16

Li, Shiyu, Xinbo Wen, Jiadong Zhou, Nan Zheng, Linlin Liu, and Zengqi Xie. "Construction of Interface Dipoles by Surface Doping and Their Role in the Open Circuit Voltage in Polymer Solar Cells." Organic Materials 02, no. 02 (2020): 071–77. http://dx.doi.org/10.1055/s-0040-1702933.

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A kind of dipolar interface is realized by surface doping of poly-(3,4-ethylenedioxythiophene) (PEDOT) with tetrafluoro-tetracyano-quinodimethane (F4TCNQ). PEDOT is in situ synthesized by electrochemical polymerization of 3,4-ethylenedioxythiophene (EDOT) on an indium tin oxide (ITO) electrode, and then F4TCNQ is spin-coated atop the PEDOT layer. Because the LUMO of F4TCNQ is lower than the HOMO of PEDOT, the spontaneous electron transfer from PEDOT to F4TCNQ results in a bilayered structure of PEDOT cations and F4TCNQ anions. Thus, a permanent interfacial dipole is formed in the surface-dopin

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17

Lupu, Stelian. "Electrochemical impedance spectroscopy study of electron transfer at poly(3,4-ethylenedioxythiophene) containing gold nanoparticles coating." Collection of Czechoslovak Chemical Communications 76, no. 12 (2011): 1433–45. http://dx.doi.org/10.1135/cccc2011109.

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Electrochemical impedance spectroscopy (EIS) was used for characterization of electron transfer in various redox probes, such as the redox couple ferrocyanide-ferricyanide, ferrocene, ferrocenemethanol, and the poly(3,4-ethylenedioxythiophene) (PEDOT) conducting polymer containing gold nanoparticles. The PEDOT coating was deposited onto platinum (Pt) and glassy carbon (GC) electrodes by galvanostatic electrochemical polymerization from an aqueous solution containing 10–2 M EDOT and 10–1 M LiClO4 as supporting electrolyte. The PEDOT-Au nanoparticles composite coating was prepared by droplet dep

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18

Yildiz, Serkan, Jin Lin Cai, and Qin Guo Fan. "Effects of Solvents on the Electrical Resistance of Poly(3,4-ethylenedioxythiophene) on Textiles." Advanced Materials Research 441 (January 2012): 16–22. http://dx.doi.org/10.4028/www.scientific.net/amr.441.16.

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The chemical resistance of Poly-3,4-ethylenedioxythiophene (PEDOT) was tested in both organic and inorganic solvents including Chloroform, DMSO, Xylene, THF, sulfuric acid, sodium hydroxide and sodium chloride. PEDOT was synthesized via the vapor-phase polymerization and coated on PET/cotton, cotton and polyester textile substrates. Electrical resistances of the PEDOT were measured both before and after chemical treatments. The morphological changes after treatments were studied by scanning electron microscope (SEM). The PEDOT coated fabrics demonstrated excellent chemical-resistant property s

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19

Li, Xin, Fei Yue Liang, and Cong Ju Li. "The Electropolymerization and Characterizations of Fluorescent Dye Doped Poly(3,4-ethylenedioxythiophene)." Applied Mechanics and Materials 552 (June 2014): 291–97. http://dx.doi.org/10.4028/www.scientific.net/amm.552.291.

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The electrochromic properties of an electrochemical polymerized composite consisted of poly (3,4-ethylenedioxythiophene) doped with fluorescent yellow dye (PEDOT-FY) are reported. The structures of PEDOT-FY were characterized via cycle voltammograms, spectroelectrochemistry and colorimetric analysis. Film of the PEDOT-FY composites with different FY concentrations appears multi-color changes, such as blue violet↔brillant blue, aubergine↔blue grey, magenta↔ aquamarine blue, orange-yellow↔grass-green, claybank↔moss green in the neutral state and the oxidized state respectively, which are differe

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20

Nair, Santhosh S., Bartlomiej Kolodziejczyk, Keld West, et al. "New junction materials by the direct growth of ZnO NWs on organic semiconductors." RSC Advances 5, no. 11 (2015): 7932–37. http://dx.doi.org/10.1039/c4ra15621h.

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ZnO NWs were directly grown on vapour phase polymerised (VPP) PEDOT. I–V measurements of the ZnO grown on PEDOT showed an ohmic contact, whereas a PEDOT electrode sandwiched on top of ZnO NWs produced a Schottky contact.

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21

LEVI-POLYACHENKO, NICOLE, AMY BRADEN, TABITHA ROSENBALM, et al. "ELECTRICALLY CONDUCTIVE POLYMER NANOTUBES WITH ANTI-BACTERIAL PROPERTIES." Nano LIFE 02, no. 03 (2012): 1241002. http://dx.doi.org/10.1142/s1793984412410024.

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Nanotubes (NT) composed of the electrically active polymer poly (3,4-ethylenedioxythiophene) (PEDOT) have been used for photothermal ablation of both gram-positive (Staphylococcus aureus) and gram-negative (Escherichia coli) bacteria. Since infrared absorption of PEDOT is dominated by bipolarons strongly coupled to phonons, we hypothesize that nonradiative decay of these states leads to heat generation. Photothermal death of bacteria by PEDOT NT was compared to single-wall carbon nanotubes (SWNT). Complete eradication of bacterial colonies incubated with 100 ug/ml of either PEDOT NT or SWNT oc

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22

Ruano, Guillem, Brenda G. Molina, Juan Torras, and Carlos Alemán. "Free-Standing, Flexible Nanofeatured Polymeric Films Prepared by Spin-Coating and Anodic Polymerization as Electrodes for Supercapacitors." Molecules 26, no. 14 (2021): 4345. http://dx.doi.org/10.3390/molecules26144345.

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Flexible and self-standing multilayered films made of nanoperforated poly(lactic acid) (PLA) layers separated by anodically polymerized poly(3,4-ethylenedioxythiophene) (PEDOT) conducting layers have been prepared and used as electrodes for supercapacitors. The influence of the external layer has been evaluated by comparing the charge storage capacity of four- and five-layered films in which the external layer is made of PEDOT (PLA/PEDOT/PLA/PEDOT) and nanoperforated PLA (PLA/PEDOT/PLA/PEDOT/PLA), respectively. In spite of the amount of conducting polymer is the same for both four- and five-la

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23

Lu, Ziyang, Zehui Yu, Jinbo Dong, et al. "Enhanced Photocatalytic Activity and Selectivity of a Novel Magnetic PW@PEDOT Imprinted Photocatalyst with Good Reproducibility." Nano 13, no. 02 (2018): 1850020. http://dx.doi.org/10.1142/s1793292018500200.

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The novel magnetic PW-doped PEDOT (PW@PEDOT) imprinted photocatalyst with good reproducibility was prepared by the surface imprinting technique and microwave heating method. Due to the existence of PW@PEDOT and imprinted cavity in the imprinted layer, the as-prepared magnetic PW@PEDOT imprinted photocatalyst not only had higher photocatalytic activity, but also had the excellent specific recognition ability for selective photodegradation of TC. This paper proposed a new idea to prepare the imprinted photocatalysts.

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24

Li, Xin, Fei Yue Liang, and Cong Ju Li. "Electrochromic Porperties of Fluorescent Dye Doped Poly(3,4-ethylenedioxythiophene) with Different Polymerization Times." Advanced Materials Research 1096 (April 2015): 492–96. http://dx.doi.org/10.4028/www.scientific.net/amr.1096.492.

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The electrochromic properties of an electrochemical polymerized composite consisted of poly (3,4-ethylenedioxythiophene) doped with fluorescent yellow dye (PEDOT-FY) with different polymerization time are reported. The structures of PEDOT-FY were characterized via cycle voltammograms and spectroelectrochemistry. The PEDOT-FY films can appears orange-yellow and purple in the neutral state, and yellow-green and deep green in the oxidized state. Polymerizing for 6 min, the PEDOT-FY film comes out a new pair of oxidative and reductive peaks around 0.3V and-0.15V. In addition, the PEDOT-FY films al

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25

Syed Zainol Abidin, Shariffah Nur Jannah, Nur Hawa Nabilah Azman, Shalini Kulandaivalu, and 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 superca

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26

Panapoy, M., M. Saengsil, and Bussarin Ksapabutr. "Electrical Conductivity of Poly(3,4-Ethylenedioxythiophene)-Poly(Styrenesulfonate) Coatings on Polyacrylonitrile Nanofibers for Sensor Applications." Advanced Materials Research 55-57 (August 2008): 257–60. http://dx.doi.org/10.4028/www.scientific.net/amr.55-57.257.

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Conducting polyacrylonitrile (PAN) nanofiber mats were prepared by dipping non-woven nanofiber mats of PAN in the solution of poly(3,4-ethylenedioxythiophene)/poly(4-styrenesulfonate) (PEDOT/PSS). PAN nanofiber mats were fabricated via the electrospinning process. The solvent used for PEDOT/PSS was ethylene glycol and isopropanol. The morphology of the resulting PAN nanofibers and the coating layers was investigated using SEM analysis. The electrical conductivity of PEDOT/PSS coated PAN nanofiber mats was measured by the four-point probe method, for different concentrations of solvent in the P

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27

Jönsson, S. K. M., W. R. Salaneck, and M. Fahlman. "X-ray photoelectron spectroscopy study of the metal/polymer contacts involving aluminum and poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonic acid) derivatives." Journal of Materials Research 18, no. 5 (2003): 1219–26. http://dx.doi.org/10.1557/jmr.2003.0167.

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The contact formed between aluminum and poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonic acid) (PEDOT-PSS) derivatives was studied using x-ray photoelectron spectroscopy. The aluminum/PEDOT-PSS contact contains an interfacial layer formed by chemical reactions between aluminum and mainly poly(styrenesulfonic acid) (PSSH). These chemical interactions were studied with the help of model systems (PSSH, benzenesulfonic acid, and sodium benzenesulfonate). The preferred reaction site of aluminum is the SO3− and SO3−H+ groups of the PSS chains, giving rise to C-S-Al(-O) and C-O-Al species. The r

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28

Liu, Yin, Xin Li, and Jing Chun Lü. "Electrically Conductive PEDOT-PSS/PAN Composite Fibers Prepared by Wet Spinning." Advanced Materials Research 627 (December 2012): 885–91. http://dx.doi.org/10.4028/www.scientific.net/amr.627.885.

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The composite conductive fibers based on poly (3,4-ethylenedioxythiophene)-polystyrene sulfonic acid (PEDOT-PSS) blended with polyacrylonitrile (PAN) were prepared via a conventional wet spinning process. The influences of PEDOT-PSS content on the electrical conductivity, thermal stability and mechanical properties of the composite fibers were investigated. The fiber with 1.83 wt% PEDOT-PSS showed a conductivity of 5.0 S/cm. The breaking strength of the fibers was in the range of 0.36-0.60 cN/dtex. The thermal stability of the PEDOT-PSS/PAN composite fibers was similar to but a slightly lower

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29

Dasdevan, Nivekthiren, Muhammad Amirul Aizat Mohd Abdah, and Yusran Sulaiman. "Facile Electrodeposition of Poly(3,4-ethylenedioxythiophene) on Poly(vinyl alcohol) Nanofibers as the Positive Electrode for High-Performance Asymmetric Supercapacitor." Energies 12, no. 17 (2019): 3382. http://dx.doi.org/10.3390/en12173382.

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Poly(vinyl alcohol)/poly(3,4-ethylenedioxythiophene) (PVA/PEDOT) nanofibers were synthesized as a positive electrode for high-performance asymmetric supercapacitor (ASC). PVA/PEDOT nanofibers were prepared through electrospinning and electrodeposition meanwhile reduced graphene oxide (rGO) was obtained by electrochemical reduction. The PVA/PEDOT nanofibers demonstrated cauliflower-like morphology showing that PEDOT was uniformly coated on the smooth cross-linking structure of PVA nanofibers. In addition, the ASC showed a remarkable energy output efficiency by delivering specific energy of 21.4

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30

Chen, Shu Ai, Jing Kun Xu, Dan Hua Zhu, and Xue Min Duan. "Synthesis and Properties of Poly(3,4-Ethylenedioxythiophene) via Solid-State Polymerization." Advanced Materials Research 306-307 (August 2011): 261–64. http://dx.doi.org/10.4028/www.scientific.net/amr.306-307.261.

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Conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT) has been synthesized by solid-state polymerization of 2,5-diiodo-3,4-ethylenedioxythiophene under normal conditions. The resulting iodine-doped PEDOT is completely insoluble in common organic solvents and retained partial crystal structure of monomer as indicated by scanning electron microscopy. Electrical conductivity measurement showed that PEDOT exhibited conductivity in the range of 0.16–0.23 S/cm (pressed powder pellet) with temperature dependence. Thermogravimetric and differential thermal gravimetric analysis of PEDOT indicated

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31

Lu, Jian-Yu, Yu-Sheng Yu, Tung-Bo Chen, et al. "Fabrication of an Extremely Cheap Poly(3,4-ethylenedioxythiophene) Modified Pencil Lead Electrode for Effective Hydroquinone Sensing." Polymers 13, no. 3 (2021): 343. http://dx.doi.org/10.3390/polym13030343.

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Hydroquinone (HQ) is one of the major deleterious metabolites of benzene in the human body, which has been implicated to cause various human diseases. In order to fabricate a feasible sensor for the accurate detection of HQ, we attempted to electrochemically modify a piece of common 2B pencil lead (PL) with the conductive poly(3,4-ethylenedioxythiophene) or PEDOT film to construct a PEDOT/PL electrode. We then examined the performance of PEDOT/PL in the detection of hydroquinone with different voltammetry methods. Our results have demonstrated that PEDOT film was able to dramatically enhance t

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32

Davari, Elaheh, and Douglas G. Ivey. "Mn-Co oxide/PEDOT as a bifunctional electrocatalyst for oxygen evolution/reduction reactions." MRS Proceedings 1777 (2015): 1–6. http://dx.doi.org/10.1557/opl.2015.449.

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ABSTRACTBifunctional electrocatalysts, which facilitate the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER), are vital components in advanced metal-air batteries. Results are presented for carbon-free, nanocrystalline, rod-like, Mn-Co oxide/PEDOT bifunctional electrocatalysts, prepared by template-free sequential anodic electrodeposition. Electrochemical characterization of synthesized electrocatalysts, with and without a conducting polymer (PEDOT) coating, was performed using cyclic voltammetry (CV) and linear sweep voltammetry (LSV). In addition, microstructural character

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Liu, Yangshuo, Ming Li та Chiyang He. "Photocatalytic activity of π-conjugated conducting polymer microspheres from ultrasonic spray pyrolysis". High Performance Polymers 29, № 5 (2016): 616–21. http://dx.doi.org/10.1177/0954008316656744.

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Conductive polymers have considerable interest on degradation of pollutants from textile wastewaters and appear as a new class of active photocatalysts under visible light. Poly(3,4-ethylenedioxythiophene) (PEDOT), as one of π-conjugated conducting polymer microspheres, is highly efficient catalyst in textile pollutant degradation. Ultrasonic spray pyrolysis method was used to produce spherical PEDOT particles in one step. The novel PEDOT-based photocatalysts are very stable with cycling and can be reused without appreciable loss of activity. Ag–ZnO nanocatalysts are not effective photocatalys

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Hu, Dufen, Baoyang Lu, Xuemin Duan, et al. "Synthesis of novel chiral l-leucine grafted PEDOT derivatives with excellent electrochromic performances." RSC Adv. 4, no. 67 (2014): 35597–608. http://dx.doi.org/10.1039/c4ra05075d.

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Li, Xin, and Cong Ju Li. "Synthesis and Electrochromic Properties of Fluorescent PEDOT/PSS Composite." Applied Mechanics and Materials 665 (October 2014): 300–306. http://dx.doi.org/10.4028/www.scientific.net/amm.665.300.

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A novel kind of poly(3,4-ethylenedioxythiophene)/poly(styrene sulfonate) (PEDOT/PSS) composite was synthesized through chemical oxidation polymerization in the presence of fluorescent yellow GG (FYGG) as the functional co-dopant and Poly(vinyl alcohol) as the film-forming additives. The as-prepared composite was found combined with fluorescent function and electrochromic property. Film of the PEDOT/PSS-FYGG composites switches from green in the reduction state to blue-green in the oxidized state, which is different from the pure PEDOT/PSS of light blue (-0.2V) and dark blue (0.8V). Because of

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Baek, Jehoon, Yuna Kim, and Eunkyoung Kim. "Growth and Electrochromic Properties of Poly(3,4-ethylenedioxythiophene) Layer on TiO2 Nanoparticles." Journal of Nanoscience and Nanotechnology 8, no. 9 (2008): 4851–55. http://dx.doi.org/10.1166/jnn.2008.ic30.

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The growth of the conductive layer on TiO2 nanoparticles was examined. Poly(3,4-ethylenedioxythiophene)(PEDOT)was deposited on the mesoporous TiO2 nanoparticle by the chemical polymerization of 3,4-ethylenedioxythiophene (EDOT)under oxidative conditions, to afford PEDOT coated particles having average diameter of ∼75 nm. The growth of PEDOT on TiO2 was confirmed by a field emission-scanning electron microscopy (FE-SEM) and electrochemistry. All-solid-state electrochromic devices were fabricated using the PEDOT-on-TiO2 coated electrode and the solid polymer electrolyte as the ion conduction lay

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Kim, Soyeon, Misuk Cho, Jaedo Nam, and Youngkwan Lee. "Fabrication and Characterization of PEDOT/Au Films by Chemical Vapor Polymerization Using Au+3 Oxidant." Journal of Nanoscience and Nanotechnology 8, no. 9 (2008): 4714–17. http://dx.doi.org/10.1166/jnn.2008.ic35.

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Thin composite films of poly (3,4-ethylenedioxythiophene) (PEDOT)/Au were obtained by a vapor-phase polymerization technique using HAuCl4 as an oxidant on the PET film substrate. The PEDOT/Au films were synthesized with metallic gold originating from the redox reaction between 3,4-ethylenedioxythiophene (EDOT) and Au ions. The formation of the PEDOT/Au film was confirmed by UV-vis absorption spectroscopy and scanning electron microscopy (SEM). The reduction to zero-valent gold was confirmed by X-ray spectrometer (EDX) and X-ray diffraction (XRD). In addition, the enhancement of the thermal sta

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Djoumessi Yonkeu, Anne Lutgarde, Miranda Mengwi Ndipingwi, Chinwe Ikpo, et al. "Photoluminescence Quenching of a Novel Electroconductive Poly(propylene thiophenoimine)-co-Poly(ethylenedioxy thiophene) Star Copolymer." Polymers 12, no. 12 (2020): 2894. http://dx.doi.org/10.3390/polym12122894.

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A generation 1 poly(propylene thiophenoimine)-co-poly(ethylenedioxy thiophene) (G1PPT-co-PEDOT) star copolymer, which exhibits a strong optical absorption over a broad range in the ultraviolet–visible (UV-Vis) region and with good electro/conductive properties, was chemically prepared for the first time. Synthesis of the star copolymer, G1PPT-co-PEDOT was confirmed by spectroscopic studies. Indeed, the disappearance of the very high intensity bands, C–H bending at α-position (687 cm−1), and C=N stretching (1620 cm−1) in the Fourier transform infrared spectroscopy (FTIR) of G1PPT-co-PEDOT, whic

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Han, Tingting, Zekra Mousavi, Ulriika Mattinen, and Johan Bobacka. "Coulometric response characteristics of solid contact ion-selective electrodes for divalent cations." Journal of Solid State Electrochemistry 24, no. 11-12 (2020): 2975–83. http://dx.doi.org/10.1007/s10008-020-04718-8.

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Abstract The chronoamperometric and coulometric response of solid contact ion-selective electrodes (SCISEs) for the detection of divalent cations was investigated in order to provide a more complete description of the mechanism of the recently introduced coulometric transduction method for SCISEs. The coulometric transduction method has earlier been employed only for SCISEs that were selective to monovalent ions. The SCISEs utilized poly(3,4-ethylenedioxythiophene) (PEDOT) doped with poly(styrene sulfonate) (PSS−) as the solid contact (ion-to-electron transducer). PEDOT(PSS) was electrodeposit

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Tsizh, B. R., O. I. Aksimentyeva, and M. I. Chokhan. "Polymer Sensitive Elements for Gas Sensors of Ammonia." Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 19, no. 75 (2017): 3–7. http://dx.doi.org/10.15421/nvlvet7501.

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The influence of ammonia on the optical absorption spectra of thin films of polyaniline (PANI), poly-3,4-ethylenedioxythiophene (PEDOT), mixtures thereof, and the bilayer film structures based on PANI and PEDOT obtained by electrochemical method were studied. The kinetics of changes in the optical absorption of these structures under the action of ammonia was explored in the spectral range of 350 ... 900 nm. We proved that the thin-film structure of PANI / PEDOT significantly extends the spectral range of sensitivity to ammonia of individual PANI n PEDOT films by superposition of high gas sens

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SONG, DANDAN, MEICHENG LI, FAN BAI, YINGFENG LI, YONGJIAN JIANG, and BING JIANG. "SILICON NANOPARTICLES/PEDOT–PSS NANOCOMPOSITE AS AN EFFICIENT COUNTER ELECTRODE FOR DYE-SENSITIZED SOLAR CELLS." Functional Materials Letters 06, no. 04 (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 el

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Zhang, Qing, Yi He, Peng Mei, Xun Cui, Yingkui Yang, and Zhiqun Lin. "Multi-functional PEDOT-engineered sodium titanate nanowires for sodium–ion batteries with synchronous improvements in rate capability and structural stability." Journal of Materials Chemistry A 7, no. 33 (2019): 19241–47. http://dx.doi.org/10.1039/c9ta04406j.

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Zhou, Xin Fei, Yan Hui Song, Kun Yun He, Hai Tao Zheng, and Shin Ichiro Suye. "Electrochemical Behavior of Glucose Oxidase on Gold Electrode Modified by Poly(3, 4-Ethylenedioxy-Thiophene)." Advanced Materials Research 1044-1045 (October 2014): 39–42. http://dx.doi.org/10.4028/www.scientific.net/amr.1044-1045.39.

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Conducting poly (3, 4-ethylenedioxy-thiophene) (PEDOT) thin film was prepared onto gold electrode by electrodepositing from aqueous electrolyte. Glucose oxidase (Gox) was further immobilized on the PEDOT/Au by physical adsorption. The morphology the modified electrode was investigated by FE-SEM. In phosphate buffer medium (0.1mol·L-1 pH 5.5), cyclic voltmetric results indicated that GOx can be immobilized on the PEDOT film, and the biological activation of GOx was retained. A direct electron transfer was found between immobilized GOx and electrode, which suggested that the PEDOT film could not

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Hassan, Mohd Izzat, Noor Nabilah Masnawi, and Naznin Sultana. "Biomineralized Conductive PEDOT." ASAIO Journal 64, no. 3 (2018): 415–23. http://dx.doi.org/10.1097/mat.0000000000000655.

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Zhang, Biao, Kan Wang, Dongde Li, and Xudong Cui. "Doping effects on the thermoelectric properties of pristine poly(3,4-ethylenedioxythiophene)." RSC Advances 5, no. 43 (2015): 33885–91. http://dx.doi.org/10.1039/c4ra16451b.

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Sikora, Tomasz, Georges Istamboulie, Elena Jubete, Estibalitz Ochoteco, Jean-Louis Marty, and Thierry Noguer. "Highly Sensitive Detection of Organophosphate Insecticides Using Biosensors Based on Genetically Engineered Acetylcholinesterase and Poly(3,4-Ethylenedioxythiophene)." Journal of Sensors 2011 (2011): 1–7. http://dx.doi.org/10.1155/2011/102827.

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A poly(3,4-ethylenedioxythiophene) (PEDOT) conducting ink is presented as a new electroactive material to be incorporated in acetylcholinesterase-(AChE-) based screen printed biosensors, acting not only as a conducting template but also as an electrochemical mediator for thiocholine oxidation. Two different strategies have been studied for the chemical synthesis of PEDOT: (a) a classical oxidative polymerisation and (b) a more innovative enzymatic polymerisation, giving a water-soluble PEDOT. The use of this water-soluble conducting polymer as mediator in screen-printed biosensors enables its

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Murugesan, Vijay Srinivasan, Shusuke Ono, Norio Tsuda, Jun Yamada, Paik-Kyun Shin, and Shizuyasu Ochiai. "Characterization of Organic Thin Film Solar Cells of PCDTBT : PC71BM Prepared by Different Mixing Ratio and Effect of Hole Transport Layer." International Journal of Photoenergy 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/687678.

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The organic thin film solar cells (OTFSCs) have been successfully fabricated using PCDTBT : PC71BM with different mixing ratios (1 : 1 to 1 : 8) and the influence of hole transport layer thickness (PEDOT : PSS). The active layers with different mixing ratios of PCDTBT : PC71BM have been fabricated using o-dichlorobenzene (o-DCB). The surface morphology of the active layers and PEDOT : PSS layer with different thicknesses were characterized by AFM analysis. Here, we report that the OTFSCs with high performance have been optimized with 1 : 4 ratios of PCDTBT : PC71BM. The power conversion effici

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Nguyen, Hoang Dung, Jung Min Ko, Hong Jung Kim, et al. "Electrochemical Properties of Poly(3,4-ethylenedioxythiophene) Nanofiber Non-Woven Web Formed by Electrospinning." Journal of Nanoscience and Nanotechnology 8, no. 9 (2008): 4718–21. http://dx.doi.org/10.1166/jnn.2008.ic39.

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Electrically conducting nano (micro) poly(3,4-ethylenedioxythiophene) (PEDOT) fiber non-woven web was fabricated using the electrospinning technique by applying high voltage of 10 to 30 kV to the electrospinning solution. To investigate the effects of various conditions on formation and properties of PEDOT fiber non-woven web, we changed the solvent or other components and their concentrations. We used 1-propanol or 1-butanol as a solvent and poly(vinyl pyrrolidone) (PVP) as a matrix polymer to prepare the electrospinning solution. The electrical conductivity of the electrospun PEDOT non-woven

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Zhou, Xin Fei, Yan Hui Song, Kun Yun He, Hai Tao Zheng, and Shinichiro Suye. "Electrochemical Preparation and Application of PEDOT/Ferrocene Modified Electrode." Applied Mechanics and Materials 727-728 (January 2015): 61–64. http://dx.doi.org/10.4028/www.scientific.net/amm.727-728.61.

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A highly stable and sensitive electrochemical sensor was developed by electropolymerisation of poly (3, 4-ethylenedioxythiophene) (PEDOT) and ferrocene (Fc) on gold electrode for the determination of ascorbic acid (AA). The PEDOT/Fc composite film modified Au electrode was characterized by field emission scanning electron microscope，electrochemical impedance spectroscopy and cyclic voltammetry. Compared with bare electrode, the PEDOT/Fc modified electrode exhibited excellent electrocatalytic activity toward the oxidation of AA.

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Andhika, Farahdilla. "MODIFIKASI SPCE (SCREEN PRINTED CARBON ELECTRODE) DENGAN PEDOT-PSS (POLY (3,4-ETHYLENEDIOXYTHIOPHENE) POLY (STYRENE SULFONIC ACID)) UNTUK PENENTUAN FENOL." Jurnal Teknologi Terapan: G-Tech 1, no. 1 (2020): 39–45. http://dx.doi.org/10.33379/gtech.v1i1.267.

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Pada penelitian ini, modifikasi Screen Printed Carbon Electrode (SPCE) secara fisik dilakukan dengan menggunakan poly (3,4-ethylenedioxythiophene) -poly (styrene sulfonic acid) (PEDOT-PSS) untuk meningkatkan sensitivitas penentuan fenol secara voltametri. Pengukuran fenol dilakukan dengan metode differential pulse voltammetry (DPV) pada kisaran potensial -0,5 sampai 1 Volt, durasi 180 detik, potensial deposisi -0,5 Volt, dan kecepatan penyapuan 100 mV/s pada pH 6-9, rentang konsentrasi fenol 0-100 mikro M, serta konsentrasi PEDOT-PSS sebesar 0-100%. Berdasarkan hasil penelitian, peningkatan ko

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