Electrochemical synthesis and characterization of polycarbazole

Macit, Hülya; Şen, Şadi; Saçak, Mehmet

doi:10.1002/app.21532

Cited by 69 publications

(44 citation statements)

References 13 publications

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“…Thermal behavior of pure PCz shows a two-step weight loss process [32] and similar was observed in this case also when a total weight loss reached up to 75% of its original weight at 650 8C following two clear steps as shown in Figure 8. The first weight loss at 310 8C in case of pure PCz is attributed to the loss of smaller polymer chains.…”

Section: Resultsmentioning

confidence: 61%

Novel Synthesis of Polycarbazole–Gold Nanocomposite

Gupta

Joshi

Prakash

2011

Macro Chemistry & Physics

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A polycarbazole–gold nanocomposite is synthesized based on two polymerization techniques, i.e., emulsion and interfacial using aqueous gold chloride and non‐aqueous carbazole monomer solutions. Use of gold chloride as an oxidant for carbazole not only provides a new chemical synthesis for polycarbazole conducting polymer but also allows the formation of conducting nanocomposite in one simple step. Polymerization of carbazole and further growth of the polymer along with gold nanoparticles are governed by the redox reaction between carbazole and Au cations. Two different morphologies of polymers and two different sizes (with narrow size distribution) of gold nanoparticles are obtained depending on the polymerization routes. Structural and thermal properties of the nanocomposites are studied using SEM/TEM, FT‐IR, XRD, and TGA. XRD of nanocomposites depicts the amorphous nature of the polymer and the highly phase selective crystalline nature of gold. Nanocomposites with improved properties show better dispersion in common organic solvents and potential for various technological applications. magnified image

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Section: Resultsmentioning

confidence: 61%

Novel Synthesis of Polycarbazole–Gold Nanocomposite

Gupta

Joshi

Prakash

2011

Macro Chemistry & Physics

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“…The mechanism described here appears many times in t h e l i t e r a t u r e i n d e s c r i p t i o n s o f c a r b a z o l e electropolymerization or the process of polymer crosslinking via dicarbazole bridging [10][11][12][13][14][15][16].…”

Section: Electrochemical Oxidation Of Carbazolesmentioning

confidence: 99%

Carbazole electrochemistry: a short review

Karoń

Łapkowski

2015

J Solid State Electrochem

243

168

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Carbazole and its derivatives have become important materials for optoelectronic applications in recent years. In this work, we have collated information on the oxidation of carbazole and its derivatives. Knowledge of their electrochemical properties affords insight into the mechanisms for their oxidation and reduction as well as possible subsequent reactions. This knowledge therefore provides the basis for evaluating the stabilities of these materials and for designing novel carbazole-derived materials with desired properties as well as new devices.

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“…The band mainly at 1100 cm -1 ( Figure 6B), is caused by the electronegative dopant that was not removed completely in the dedoping process. 35,36 All of these verify that the main component in PCz has the characteristics of typical conjugated polymers. In order to get a deeper insight into the structure of PCz, the 1 H NMR spectra of carbazole and dedoped PCz obtained from this mixed electrolyte were recorded.…”

Section: Structural Characterizationsmentioning

confidence: 79%

Electrochemical Polymerization of Carbazole in Acetic Acid Containing Boron Trifluoride Diethyl Etherate

Miao

Zhang

Xu³

et al. 2008

Chin. J. Chem.

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High-quality polycarbazole (PCz) films with an electrical conductivity of 10 -2 S•cm -1 were synthesized electrochemically by direct anodic oxidation of carbazole in a novel mixed electrolyte of acetic acid containing 26% boron trifluoride diethyl etherate (BTDE) and 5% poly(ethylene glycol) with molar mass of 400 (by volume). The oxidation potential of carbazole in this medium was measured to be only 0.89 V vs. a saturated calomel electrode (SCE), which was much lower than that determined in acetonitrile containing 0.1 mol•L -1 Bu 4 NBF 4 (1.36 V vs. SCE). PCz films obtained from this medium showed good electrochemical behavior, good thermal stability, and were partly soluble in strong polar organic solvents such as dimethyl sulfoxide and tetrahydrofuran. The fluorescence spectra implied that PCz obtained from this medium was a good blue-light emitter. FT-IR, 1 H NMR and theoretical studies showed that the polymerization of carbazole mainly occurred at the 3,6-positions. To the best of our knowledge, this is the first report on the electrosyntheses of conducting polymers in mixed electrolyte of acetic acid and BTDE.

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Electrochemical synthesis and characterization of polycarbazole

Cited by 69 publications

References 13 publications

Novel Synthesis of Polycarbazole–Gold Nanocomposite

Novel Synthesis of Polycarbazole–Gold Nanocomposite

Carbazole electrochemistry: a short review

Electrochemical Polymerization of Carbazole in Acetic Acid Containing Boron Trifluoride Diethyl Etherate

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