Transparent conductive thin films based on polyaniline nanofibers

Wang, Yangyong; Jing, Xinli

doi:10.1016/j.mseb.2006.12.016

Cited by 54 publications

(31 citation statements)

References 43 publications

(52 reference statements)

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“…2), it has been known that doping of sulfuric acid for polyaniline is easier and sulfuric acid will replace the DBSA, when sulfuric acid is add into the emulsion solution. Therefore, a smaller amount of DBSA in the hybrid films increases the transparence of the hybrid films [31].…”

Section: Resultsmentioning

confidence: 99%

Effects of inorganic acid in DBSA-PANI polymerization on transparent PANI-SiO2 hybrid conducting films

Chen

2010

Journal of Alloys and Compounds

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Section: Resultsmentioning

confidence: 99%

Effects of inorganic acid in DBSA-PANI polymerization on transparent PANI-SiO2 hybrid conducting films

Chen

2010

Journal of Alloys and Compounds

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“…Sonochemical Synthesis: Ultrasonic irradiation has been applied to the synthesis of PANI-NFs in a conventional oxidant dropwise addition [186][187][188]. An ultrasonic irradiation-assisted polymerization method was used to prepare PANI-NFs by using high concentrations of mineral or organic acid [189].…”

Section: Rapid-mixing Methodmentioning

confidence: 99%

Polyaniline Nanostructures

Ćirić‐Marjanović

2010

Nanostructured Conductive Polymers

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Polyaniline (PANI) is one of the most extensively studied conducting polymers because of its simple synthesis [1] and doping/dedoping chemistry [2], low cost, high conductivity, and excellent environmental stability. PANI has a wide applicability in rechargeable batteries [3], erasable optical information storage [4], shielding of electromagnetic interference [5], microwave-and radar-absorbing materials [6], sensors [7], indicators [8], catalysts [9], electronic and bioelectronic components [10], membranes [11], electrochemical capacitors [12], electrochromic devices [13], nonlinear optical [14] and light-emitting devices [15], electromechanical actuators [16], antistatic [17] and anticorrosion coatings [18]. Its electromagnetic and optical properties depend mostly on its oxidation state and degree of protonation [19]. The green emeraldine salt form of PANI is conducting ($1-10 S cm À1 for granular powders) [1]. It contains, depending on the synthetic route, variousunits (in the preceeding formulae B, Q and A À denote a benzenoid ring, quinonoid ring and dopant anion, respectively). The blue emer-The preparation of bulk quantities of conducting granular PANI is usually performed Nanostructured Conductive PolymersEdited by Ali Eftekhari by the oxidative polymerization of aniline with ammonium peroxydisulfate (APS) in an acidic aqueous solution (initial pH < 2.0) [1]. Colloidal PANI nanoparticles are prepared by dispersion polymerization of aniline in the presence of various colloidal stabilizers [20,21]. The average size of colloidal PANI nanoparticles decreases with increasing stabilizer/aniline ratio. PANI colloids often have nonspherical (rice grain, needle-like, etc.) core-shell morphology. The colloidal nanoparticle core most likely has a composite nature, i.e. it is composed of both the PANI and the incorporated stabilizer, while the shell is formed by the stabilizer. Nowadays, conducting PANI nanostructures are the focus of intense research owing to their significantly enhanced dispersibility and processability, and substantially improved performance in many applications, in comparison with granular and colloidal PANI [22][23][24][25][26][27]. The continuously growing interest in the study of zero-dimensional (0-D) (solid nanospheres), one-dimensional (1-D) (nanofibers (nanowires), nanorods (nanosticks), nanoneedles, rice-like nanostructures, nanotubes), two-dimensional (2-D) (nanoribbons (nanobelts), nanosheets (nanoplates, nanoflakes, nanodisks, leaf-like nanostructures), nanorings (cyclic nanostructures), net-like nanostructures), and three-dimensional (3-D) PANI nanostructures (hollow nanospheres, dendritic and polyhedral nanoparticles, flower-like, rhizoid-like, brain-like, urchin-like, and star-like nanostructures, etc.) has dramatically increased in recent years (Figure 2.1). The major focus of research has been the preparation, characterization, processing, and application of PANI nanofibers (PANI-NFs) and nanotubes (PANI-NTs). PANI-NFs are 1-D PANI nanoobjects of cylindrical profile with diameters ...

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“…Polyaniline in the state emeraldine protonated has semiconducting properties with conductivity of 100 S / cm. Polyaniline will also become a polymer if conductivity is less than 10 -9 S / cm and it approaches the metal if the conductivity greater than 10 4 S / cm [3]. The use of differences acid in protonic of dopants and dopant humidity affects the preparation of the polymer chain and inter-chain interactions.…”

Section: Introductionmentioning

confidence: 99%