Synthesis of polyaniline-intercalated graphite oxide by anin situ oxidative polymerization reaction

Liu, Pinggui; Gong, Kecheng

doi:10.1016/s0008-6223(99)00037-8

Cited by 77 publications

(50 citation statements)

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“…no more than three layers of CCG sheets. The earlier studies on CCG-based composites mainly focused on the preparation of intercalated composites [54][55][56][57][58] and LBL assembled composite fi lms. [59][60][61] CCG/inorganic material (including metal, metal oxide, salt, and nano-carbon) [ 30 , 55 , 62 , 63 ] and CCG/small organic compound [ 64 , 65 ] composites have received less attention.…”

Section: A Brief Overviewmentioning

confidence: 99%

Functional Composite Materials Based on Chemically Converted Graphene

2011

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Graphene, a one-atom layer of graphite, possesses a unique two-dimensional structure and excellent mechanical, thermal, and electrical properties. Thus, it has been regarded as an important component for making various functional composite materials. Graphene can be prepared through physical, chemical and electrochemical approaches. Among them, chemical methods were tested to be effective for producing chemically converted graphene (CCG) from various precursors (such as graphite, carbon nanotubes, and polymers) in large scale and at low costs. Therefore, CCG is more suitable for synthesizing high-performance graphene based composites. In this progress report, we review the recent advancements in the studies of the composites of CCG and small molecules, polymers, inorganic nanoparticles or other carbon nanomaterials. The methodology for preparing CCG and its composites has been summarized. The applications of CCG-based functional composite materials are also discussed.

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Section: A Brief Overviewmentioning

confidence: 99%

Functional Composite Materials Based on Chemically Converted Graphene

2011

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“…[38] Prior to our report of an unusual increase in electrical conductivity for G-PANI composites, very little work had been done on such systems especially Raman investigations. The systems previously reported in literature were GO-PANI composites, [25,26] G-PANI composites with low concentration of graphite (i.e., <5%), [41,42] and our work on G-PANI composites with graphite concentrations from 0 to 100% [31,[43][44][45] . No correlation has been reported so far between the structural changes, as reflected by Raman and XRD data, with the corresponding thermal stability and the unusual increase in electrical conductivity for different ratios of G:PANI.…”

Section: Resultsmentioning

confidence: 99%

“…The low conductivities, on the order of 10 À7 S cm À1 for GO and 10 À3 S cm À1 for GO-PANI composite, are due to the modification of the graphite layers with hydroxyl, carbonyl, and ether group functionalities. [25,26] Polyaniline ( Fig. 1a) has been among the most studied conductive polymers because of its excellent environmental stability and multiple technological applications.…”

Section: Full Papermentioning

confidence: 99%

Structural, Electrical, and Thermal Behavior of Graphite‐Polyaniline Composites with Increased Crystallinity

Bourdo

Biris

et al. 2008

Adv Funct Materials

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Conductive materials are at the forefront of materials science research because of the large number of applications that have been developed around their interesting and unique properties. This work reports for the first time a correlation between the structural, electrical, and thermal behavior of novel graphite‐polyaniline (G‐PANI) composites with electrical conductivities greater than either of the individual components. The G:PANI mass ratio was varied during synthesis of the composites (90:10, 95:5, 96:4, 97:3, and 98:2 G:PANI mass ratios) and the highest electrical conductivity was determined for the composite having a G:PANI mass ratio of 96:4. The structural changes related to this increase in electrical conductivity were clearly reflected by the Raman spectra of the new composites, which indicated an improved crystallinity through a better stacking along the c‐axis of graphite when PANI was present (as evidenced by the G and 2 × D modes at 1582 and 2684 cm−1). X‐ray diffraction data showed a slight increase in the (0 0 2) graphite crystal plane distance that was associated with a dilute stage intercalation or a possible “pseudo‐intercalation” of the polymer species between the graphite layers facilitating charge transfer in the composites. It is proposed that polyaniline acts as a charge transfer component between basal planes of graphite. Thermogravimetric analyses of the samples showed similar trends for the thermal stability in accordance with the electrical conductivity, the Raman and X‐ray diffraction data. The potential impact of this work is evident in the many areas that utilize graphite as conductive filler in electrically conducting materials. The composites can be used for a large number of applications in nanoelectronics, electromagnetic interference shielding, rechargeable batteries or as other advanced nanocomposite materials with improved electrical, structural, and thermal properties.

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“…Polyaniline is a promising conjugated polymer because of its simple synthesis, high conductivity, and excellent environmental stability, although it is associated with rather poor properties with respect to processing. Consequently, there are many reports focusing on the preparation of novel nanocomposites consisting of PANI with various layered materials such as V 2 O 5 xerogel, [6] MoO 3 bronze, [7] graphitic oxide, [8] α-RuCl 3 , [9] montmorillonite, [10] and layered metal phosphates. [11] [a] State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China [b] Institute of High Energy Physics, Chinese Academy of Science, Beijing 100039, P. R. China E-mail: duanx@mail.buct.edu.cn troscopy, in situ X-ray absorption near edge structure (XANES) spectroscopy, in situ high-temperature X-ray diffraction (HT-XRD) and in situ Fourier transform infrared (FTIR) spectroscopy.…”

Section: Introductionmentioning

confidence: 99%

Study of the In Situ Postintercalative Polymerization of Metanilic Anions Intercalated in NiAl‐Layered Double Hydroxides under a Nitrogen Atmosphere

Wei

Tian

et al. 2006

Eur J Inorg Chem

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A new route has been developed for preparing polyaniline (PANI) layered double hydroxide (LDH) nanocomposites through in situ chemical oxidative polymerization of metanilic anions (m-NH 2 C 6 H 4 SO 3 -) intercalated in NiAl LDHs under a nitrogen atmosphere by using pre-intercalated nitrate as an oxidizing agent. The interlayer space of NiAl LDHs has been used as an original nanoreactor for the in situ polymerization of the intercalated monomer. The whole process involves the synthesis of the precursor LDH [Ni 2 Al (OH) 6 (NO 3 )· nH 2 O], the intercalation of the monomer metanilic anions into the LDH and its in situ polymerization between the layers by thermal treatment under a nitrogen atmosphere. The interlayer polymerization reaction was monitored by thermogravimetric analysis (TG), differential thermal analysis (DTA), mass spectrometry (MS), UV/Vis absorption spec-

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Synthesis of polyaniline-intercalated graphite oxide by anin situ oxidative polymerization reaction

Cited by 77 publications

References 0 publications

Functional Composite Materials Based on Chemically Converted Graphene

Functional Composite Materials Based on Chemically Converted Graphene

Structural, Electrical, and Thermal Behavior of Graphite‐Polyaniline Composites with Increased Crystallinity

Study of the In Situ Postintercalative Polymerization of Metanilic Anions Intercalated in NiAl‐Layered Double Hydroxides under a Nitrogen Atmosphere

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