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Poly(ethylene glycol) functionalized with an amino group (PEG-amine) was synthesized and characterized by proton NMR and FTIR spectroscopy. The polymer was complexed with lithium triflate (LiOTf) in varying ratios, and it was found that the composition (PEG-amine)8.0LiOTf exhibited a maximum ionic c...
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Polyaniline, poly( N-methyl aniline), poly(2-ethyl aniline) and poly(2-propyl aniline) were intercalated into layered molybdenum diselenide by using the exfoliation/restacking property of LiMoSe. MoSe was reacted with n-butyllithium to form LiMoSe. The LiMoSe was exfoliated in N-methylformamide (NMF...
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In this paper we report on the electrical characterization of conductive polyaniline and its derivatives. Conductivity measurements were also performed on the intercalated phases formed by the encapsulation of the polymers into layered molybdenum disulfide. These measurements were performed using th...
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Intercalation compounds of pyrene and 8-anilino-1-naphthalenesulfonic acid into MoS2 have been synthesized and characterized. This was achieved by using the exfoliation/re-stacking properties of LiMoS2. The degree of intercalation was found to be dependent on the amount of guest species used, the re...
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MoSe2 has been encapsulated with a variety of guest species. This was achieved by first treating the MoSe2 with an excess of n-BuLi to form the lithiated phase of MoSe2 (LixMoSe2). The LixMoSe2 exfoliates readily in water or NMF to yield single layers of MoSe2. Addition of solutions of polymers, org...
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A general approach for the encapsulation of a variety of saturated polymers between the layers of MoS2 giving electrically conductive lamellar compounds is reported.
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Poly[oxymethylene-(oxyethylene)] has been inserted in the gallery space Of MoS2 by using the exfoliation/re-stacking properties of LiMoS2. The resulting intercalation compound shows enhanced electronic conductivity due to a structural transformation of the MoS2 framework. The material was also chara...
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In this paper we report on the synthesis and characterization of a few alkyl substituted polyanilines into VOPO4. This was achieved by treating the monomers with the highly oxidizing host VOPO4 center dot 2H(2)O. The monomers polymerize and simultaneously insert in between the layers of the host sys...
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Polyaniline, poly(ethylene oxide), poly(propylene glycol), poly(vinylpyrrolidinone), methyl cellulose, polyethylenimine, polyethylene, and Nylon-6, were encapsulated into MoS2. Electrical conductivity and thermoelectric power measurements of pressed pellets of (PEO)(0.92)MoS2 and (Polyaniline)(0.35)...
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In this paper we report on the insertion of polypyrrole into layered graphite oxide. This was achieved by using the exfoliating and re-stacking properties of the host. The resulting intercalated product was characterized by powder X-ray diffraction, FT-IR spectroscopy, thermogravimetric analysis and...
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Protonated emeraldine [poly(aniline)] has been encapsulated in MoO3 by first inserting aniline into its lattice followed by successful polymerization with (NH4)2S2O8; the new material is characterized by X-ray diffraction, IR spectroscopy, scanning electron microscopy and charge transport measuremen...