Fullerene-doped polyaniline

Langer, Jerzy J.; Framski, Grzegorz; Golczak, Sebastian; Gibiński, T.

doi:10.1016/s0379-6779(00)00955-3

Cited by 10 publications

(5 citation statements)

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“…We must emphasize that deprotonation of PANI by these fullerene derivatives was not expected in our work. Reports indicated that the interaction of fullerene with polyaniline causes its oxidation upon photoactivation, , improving hole-based conductivity in reduced PANI (leucoemeraldine). In our work, the PANI used as a substrate was already oxidized and protonated to provide maximum conductivity.…”

Section: Resultsmentioning

confidence: 99%

Electrical and Optical Properties of Fullerenol Langmuir−Blodgett Films Deposited on Polyaniline Substrates

Rincón

Campos

et al. 2003

J. Phys. Chem. B

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The synthesis of fullerenol with various degrees of hydroxylation and the use of a low hydroxylated product to form stable Langmuir films are reported in this work, along with the optical and electrical properties of Langmuir-Blodgett (LB) films obtained on glass and polyaniline (PANI) substrates. The data suggest that an average of 9-12 hydroxyl groups are bound preferentially on one side of the C 60 cage and this allows the formation of stable two-layer films at the air/water interface. The large anisotropy of the hydroxylated molecule provides organized LB films of the type substrate-(D-C 60 -D-C 60 -) n , with D representing the hydroxyl groups. The electrical conductivity of LB films deposited on glass is equivalent to that reported for highly conductive polymeric C 60 but several orders of magnitude higher than that for disordered fullerenol pellets. UV-vis absorptions provide evidence that fullerenol layers cause the deprotonation of PANI, rendering a polymer with low conductivity. The loss of conductivity disagrees with the behavior expected for a donor (PANI)/acceptor (fullerenol) interface, even though current-voltage (I-V) curves of fullerenol LB /PANI junctions indicate some degree of electrical rectification. Additionally, transients observed at large bias on the I-V curves agree with the reported proton conductivity of fullerenol.

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Section: Resultsmentioning

confidence: 99%

Electrical and Optical Properties of Fullerenol Langmuir−Blodgett Films Deposited on Polyaniline Substrates

Rincón

Campos

et al. 2003

J. Phys. Chem. B

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“…With the intensive studies to conducting polymers and the potential application of nano-structures in practice, nano-sized conducting polymers fibrils have been prepared both chemically or electrochemically using "hard" or "soft" templates, such as tracketched polycarbonate (Martin, 1996;Parthasarathy and Martin, 1994), zeolite channels (Wu and Bein, 1994), anodized alumina (Wang et al, 2001), surfactants (Michaelson and McEvoy, 1994), micelles (Wei et al, 2002), liquid crystals (Huang et al, 2002), thiolated cyclodextrins (Park et al, 2001), and template-free procedures (Langer et al, 2001). Recently, large arrays of uniform and oriented PAN nano-wires have been synthesized on Pt surface without using a supporting template (Liang et al, 2002); and a facile chemical route to prepare PAN nano-fibres via aqueous/organic interfacial polymerization in the presence of camphorsulfonic acid (CSA) has been reported (Huang et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

Electrochemical synthesis of polyaniline nano-network on α-alanine functionalized glassy carbon electrode and its application for the direct electrochemistry of horse heart cytochrome c

Zhang

2009

Biosensors and Bioelectronics

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“…In our case, the diameter of the PANI nanofibers (approximately 100 nm) is lower than that obtained by other syn-thesis methods [46][47][48]. Particularly, for developing sensors and biosensors applications, polyaniline nanostructures with diameters lower than 200 nm are desired, and usually very complex dopants with bulky side groups are needed, such as sulfonated naphthalene derivatives [49], fullerenes [50] or dendrimers [51]. In the case of PT-AuNPs nanocomposites synthesized by the ultrasound-assisted method described in this paper, the diameter of the nanofiber was considerably higher, far from the desired 100 nm or less.…”

Section: Structural Characterization Of the Ncps-aunps Nanocompositesmentioning

confidence: 68%

Polyaniline Nanofibers-Embedded Gold Nanoparticles Obtained by Template-Free Procedure with Immobilization Prospects

Crespo-Rosa

Sierra-Padilla

García-Guzmán

et al. 2021

Sensors

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In this work, template-free nanostructured conducting polymers (nCPs)-embedded gold nanoparticles (AuNPs) from aniline, thiophene and 3,4-ethylenedioxythiophene have been prepared via a one-pot sonochemical method. The synthesis of the nanocomposite (nCPs-AuNPs) was achieved in a short period of time (5–10 min), by applying high-energy ultrasound to an aqueous mixture of a CP precursor monomer and KAuCl4, in the presence of LiClO4 as dopant. The synthesis process is simpler, greener and faster in comparison to other procedures reported in the literature. Remarkably, bulk quantities of doped polyaniline PANI-AuNPs nanofibers were obtained. Subsequently, they were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDS) and Fourier transform infrared spectroscopy (FTIR), as well as by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). PANI-AuNPs nanofibers were also employed as immobilization matrix for a benchmark enzyme, glucose oxidase (GOX). Finally, glucose was determined in real samples of white and red wines by using the so-obtained GOX-PANI-AuNPs/Sonogel-Carbon biosensor, providing outstanding recoveries (99.54%). This work may offer important insights into the synthesis of nanostructured conducting polymers and also stimulates the exploration of the applications of these nanocomposites, especially in research fields such as (bio)sensors, catalysis and composite materials.

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Fullerene-doped polyaniline

Cited by 10 publications

References 0 publications

Electrical and Optical Properties of Fullerenol Langmuir−Blodgett Films Deposited on Polyaniline Substrates

Electrical and Optical Properties of Fullerenol Langmuir−Blodgett Films Deposited on Polyaniline Substrates

Electrochemical synthesis of polyaniline nano-network on α-alanine functionalized glassy carbon electrode and its application for the direct electrochemistry of horse heart cytochrome c

Polyaniline Nanofibers-Embedded Gold Nanoparticles Obtained by Template-Free Procedure with Immobilization Prospects

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