نتایج جستجو برای: pani

تعداد نتایج: 1207  

In this research, firstly polyaniline-zinc oxide (PANI-ZnO) nanocomposite was successfully synthesized by chemical polymerization of aniline in the presence of ZnO nanoparticles and then, 5%, 10% and 15% solutions of PANI–ZnO nanocomposites were mixed with a solution of polystyrene (PS) in tetrahydrofurane (THF) and PANI-PS-ZnO nanocomposites were obtained. The prepared nanocomposites were used...

2016
Haiwon Lee

Polyaniline (PANI) was successfully combined with 3DNC as supercapacitor electrodes by two commonly used method: chemical polymerization (CP) and electrochemical deposition (ECD). The combination of PANI and the 3DNC led to a fascinating result, showing high specific capacitance of 615 F/g (CP) and 1120 F/g (ECD) at the current density of 10 A/g. Both electrodes showed stable electrochemical pe...

2016
Yanjun Tang Xiulan Hu Dongdong Liu Daliang Guo Junhua Zhang

Polyaniline (PANI)/graphene oxide (GO) composites were synthesized via in situ polymerization of aniline in the presence of GO. The effect of microwave treatment of graphite on the electrical conductivity and electrochemical properties of PANI/GO composites was highlighted, and the morphology and microstructure were subsequently characterized using transmission electron microscopy, scanning ele...

2014
Pierre Gaudillat Florian Jurin Boris Lakard Cédric Buron Jean-Moïse Suisse Marcel Bouvet

We have prepared different hybrid polymer-phthalocyanine materials by solution processing, starting from two sulfonated phthalocyanines, s-CoPc and CuTsPc, and polyvinylpyrrolidone (PVP), polyethylene glycol (PEG), poly(acrylic acid-co-acrylamide) (PAA-AM), poly(diallyldimethylammonium chloride) (PDDA) and polyaniline (PANI) as polymers. We also studied the response to ammonia (NH3) of resistor...

2016
Aleksandra Janoševic Ležaić Sandra Luginbühl Danica Bajuk-Bogdanović Igor Pašti Reinhard Kissner Boris Rakvin Peter Walde Gordana Ćirić-Marjanović

We report about the first Raman spectroscopy study of a vesicle-assisted enzyme-catalyzed oligomerization reaction. The aniline dimer N-phenyl-1,4-phenylenediamine (= p-aminodiphenylamine, PADPA) was oxidized and oligomerized with Trametes versicolor laccase and dissolved O2 in the presence of sodium bis(2-ethylhexyl)sulfosuccinate (AOT) vesicles (80-100 nm diameter) as templates. The conversio...

Journal: :Nanoscale 2015
Sin Ki Lai Chi Man Luk Libin Tang Kar Seng Teng Shu Ping Lau

Polyaniline-functionalized graphene quantum dots (PANI-GQD) and pristine graphene quantum dots (GQDs) were utilized for optoelectronic devices. The PANI-GQD based photodetector exhibited higher responsivity which is about an order of magnitude at 405 nm and 7 folds at 532 nm as compared to GQD-based photodetectors. The improved photoresponse is attributed to the enhanced interconnection of GQD ...

2008
Weining Wang Eric Schiff Qi Wang

We fabricated hydrogenated amorphous silicon/polyaniline n–i–p heterojunction solar cells incorporating a doped, hole conducting polyaniline (PANI) layer. The cells were prepared by spin-casting differing polyaniline dispersions corresponding to film conductivities ranging from 10 2 to 10 S/m. The open-circuit voltages VOC of the cells ranged from 0.5–0.7 V. While these open-circuit voltages ar...

2009
Y H Kim B J Park H J Choi S B Choi

Monodisperse polystyrene (PS) seed latex was initially prepared by a dispersion polymerization, and then polyaniline (PANI)-coated PS composite particles were synthesized by diffusion and polymerization of aniline at the interface. Characteristics of the obtained PS/PANI composite particles such as morphology and thermal property were examined using SEM and TGA, respectively. In addition, we em...

2018
Ranran Zhang Yu Liao Shuangli Ye Ziqiang Zhu Jun Qian

In this work, nanoflower-like MoS2 grown on the surface of multi-walled carbon nanotubes (MWCNTs)/polyaniline (PANI) nano-stem is synthesized via a facile in situ polymerization and hydrothermal method. Such a novel hierarchical structure commendably promotes the contact of PANI and electrolyte for faradaic energy storage. In the meanwhile, the double-layer capacitance of MoS2 is effectively us...

2013
ASHOK K. SHARMA YASHPAL SHARMA

Composites of polyaniline and carbon nanotube (CNT) were prepared by in-situ chemical polymerization method using various aniline concentrations in the initial polymerization solution with p-toluene sulfonic acid (PTS) as secondary dopant and mechanical mixing of the PANI and CNT using different weight ratios of PANI and CNTs. The structural characterizations of the composites were done by Four...

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