02056nas a2200217 4500008004100000022001400041245014600055210006900201260007900270300001200349490000600361520118200367653002601549653002201575653001801597653002301615100002101638700003001659700002201689856012701711 2005 eng d a1388-248100aElectrochemical studies of poly (3,4-ethylenedioxythiophene) PEDOT/VS2 nanocomposite as a cathode material for rechargeable lithium batteries0 aElectrochemical studies of poly 34ethylenedioxythiophene PEDOTVS a360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USAbELSEVIER SCIENCE INCcFEB a213-2180 v73 a

Here, we demonstrate the electrochemical characterization of a new type of layered poly (3,4-ethylenedioxythiophene) PEDOT/ VS2 nanocomposite. It has been prepared via flocculation of delaminated VS2 with subsequent in situ oxidative polymerization of 3,4-ethylenedioxythiophene (EDOT) with VS2 as a host material in the presence of an external oxidizing agent. The interlayer spacing Of VS2 expands from 5.71 to 14.01 A and this interlayer separation is consistent with the existence of a monolayer of PEDOT in the VS2 framework. X-ray diffraction, XPS and TEM studies have been;shown the change in interlayer separation is consistent with the existence of two phases of organic and inorganic species in the nanocomposites corresponding to the intercalation of PEDOT in the VS2 framework. The application potential of the nanocomposite as a cathode material for rechargeable lithium batteries is also demonstrated by the electrochemical intercalation of lithium into the PEDOT/VS2 nanocomposite, where a significant enhancement in the discharge capacity is observed (similar to130 mAh/g) compared to that (80 mAh/g) for pristine VS2. (C) 2004 Published by Elsevier B.V.

10alayered nanocomposite10alithium batteries10apolythiophene10avanadium disulfide1 aMurugan, Vadivel1 aGopinath, Chinnakonda, S.1 aVijayamohanan, K. uhttps://library.ncl.res.in/content/electrochemical-studies-poly-34-ethylenedioxythiophene-pedotvs2-nanocomposite-cathode-001762nas a2200193 4500008004100000022001400041245015200055210006900207260012500276300001100401490000700412520090600419100002101325700002201346700001601368700003001384700002201414856013201436 2005 eng d a0003-695100aEnhancement of double-layer capacitance behavior and its electrical conductivity in layered poly (3, 4-ethylenedioxythiophene)-based nanocomposites0 aEnhancement of doublelayer capacitance behavior and its electric aCIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USAbAMER INST PHYSICScDEC a2435110 v873 a

In this letter, we report on the enhanced double-layer capacitance of a layered poly (3, 4-ethylene dioxythiophene) PEDOT-MoO3 nanocomposite, which has been synthesized by a novel microwave irradiation method. The x-ray photoelectron spectroscopy analysis shows the changes in electron density and the shift in binding energy suggesting charge transfer from sulfur atoms upon PEDOT intercalation between MoO3 layers. The room-temperature conductivity for the PEDOT-MoO3 composite is found to be 1.82x10(-1) S cm(-1), which is four orders of magnitude higher than that of the pristine oxide (3.78x10(-5) S cm(-1)). The enhanced double-layer capacitance of the PEDOT-MoO3 nanocomposite (similar to 300 F g(-1)) compared to that (similar to 40 mF g(-1)) of pristine MoO3 is attributed to higher electronic conductivity, enhanced bidimensionality, and increase in surface area of the nanocomposite.

1 aMurugan, Vadivel1 aViswanath, A., K.1 aCampet, Guy1 aGopinath, Chinnakonda, S.1 aVijayamohanan, K. uhttps://library.ncl.res.in/content/enhancement-double-layer-capacitance-behavior-and-its-electrical-conductivity-layered-poly-302012nas a2200193 4500008004100000022001400041245013000055210006900185260011000254300001200364490000700376520121100383100002101594700001601615700002101631700001601652700002201668856012801690 2005 eng d a0959-942800aEntrapment of poly(3,4-ethylenedioxythiophene) between VS2 layers to form a new organic-inorganic intercalative nanocomposite0 aEntrapment of poly34ethylenedioxythiophene between VS2 layers to aTHOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLANDbROYAL SOC CHEMISTRYcJAN a902-9090 v153 a

Here we report the synthesis and characterization of a new class of nanocomposite by direct in situ oxidative polymerization of 3,4-ethylenedioxythiophene (EDOT) with VS2 as a host material in the presence of an external oxidizing agent. Upon intercalation, the interlayer spacing of VS2 expands from 5.71 Angstrom to 14.01 Angstrom, followed by exfoliation and a restacking process facilitating expansion of the lattice in a direction perpendicular to the dichalcogenide layers. This change in interlayer separation is consistent with the existence of two phases of organic and inorganic species in the nanocomposites corresponding to the intercalation of PEDOT in the VS2 framework. The resulting nanocomposite is characterized by thermal analysis (TGA), X-ray diffraction, FTIR, SEM, TEM, and four-probe electrical conductivity measurements. The application potential of the nanocomposite as a cathode material for rechargeable lithium batteries is also demonstrated by the electrochemical intercalation of lithium into the PEDOT-VS2 nanocomposite, where a significant enhancement in the discharge capacity is observed (similar to130 mA h g(-1)) compared to that (80 mA h g(-1)) for pristine VS2.

1 aMurugan, Vadivel1 aQuintin, M.1 aDelville, M., H.1 aCampet, Guy1 aVijayamohanan, K. uhttps://library.ncl.res.in/content/entrapment-poly34-ethylenedioxythiophene-between-vs2-layers-form-new-organic-inorganic-001999nas a2200277 4500008004100000022001400041245015700055210006900212260009500281300001400376490000600390520090200396653002901298653002601327653002101353653004201374653003501416100002501451700001801476700001501494700002801509700001701537700001601554700002201570856012901592 2006 eng d a1533-488000aElectrochemical organization of monolayer protected gold nanoclusters on single-walled carbon nanotubes: significantly enhanced double layer capacitance0 aElectrochemical organization of monolayer protected gold nanoclu a25650 NORTH LEWIS WAY, STEVENSON RANCH, CA 91381-1439 USAbAMER SCIENTIFIC PUBLISHERScMAY a1387-13910 v63 a

This paper reports a novel electrochemical route for anchoring monolayer protected gold nanoclusters (size 8 +/- 0.2 nm) on single-walled carbon nanotube bundles, resulting in the formation of hybrid materials. Monolayer protected gold nanoclusters prepared by modified Brust synthesis route were organized on SWNT bundles by cycling-the potential in dichloromethane between -1 to +1 V at a scan rate of 50 mV/s. Monolayer protected nanoclusters in electrolyte solutions possess ionic space charge around them (double layer charging), making them suitable for organization on nanotube bundles, by tuning the electrostatic interactions. More significantly, analysis of the double layer capacitance of these hybrid materials shows almost ten times increase in capacitance compared to that of bare SWNT bundles. We believe that these hybrid materials are potentially useful in nanoelectronics.

10adouble layer capacitance10adouble layer charging10ahybrid materials10amonolayer protected gold nanoclusters10asingle-walled carbon nanotubes1 aMahima, Subhramanyam1 aChaki, N., K.1 aSharma, J.1 aKakade, Bhalchandra, A.1 aPasricha, R.1 aRao, A., M.1 aVijayamohanan, K. uhttps://library.ncl.res.in/content/electrochemical-organization-monolayer-protected-gold-nanoclusters-single-walled-carbon-001773nas a2200265 4500008004100000022001400041245015000055210006900205260007300274300001200347490000800359520077200367653002101139653002201160653000901182653003601191653002201227100002101249700001601270700002101286700001601307700003001323700002201353856013201375 2006 eng d a0378-775300aExfoliation-induced nanoribbon formation of poly(3,4-ethylene dioxythiophene) PEDOT between MoS2 layers as cathode material for lithium batteries0 aExfoliationinduced nanoribbon formation of poly34ethylene dioxyt aPO BOX 211, 1000 AE AMSTERDAM, NETHERLANDSbELSEVIER SCIENCE BVcJUN a615-6190 v1563 a

A new type of layered nanocomposite synthesized by delaminated MoS2 nanosheets and poly(3,4-ethylenedioxythiophene) (PEDOT) are restacked to produce alternate polymer nanoribbons between layers Of MoS2 with an interlayer distance of similar to 1.38 nm. The unique properties of resulting nanocomposite are investigated by powder XRD, XPS, SEM, TEM, and four-probe conductivity measurements. The obtained nanocomposite can be used as a cathode material for a small power rechargeable lithium battery as demonstrated by the electrochemical insertion of lithium into the PEDOT/MoS2 nanocomposite. A significant enhancement in the discharge capacity (100 mAh g(-1)) is observed compared with that (40 mAh g(-1)) for MoS2. (c) 2005 Elsevier B.V All rights reserved.

10acathode material10alithium batteries10aMoS210aorganic-inorganic nanocomposite10aPEDOT-nanoribbons1 aMurugan, Vadivel1 aQuintin, M.1 aDelville, M., H.1 aCampet, Guy1 aGopinath, Chinnakonda, S.1 aVijayamohanan, K. uhttps://library.ncl.res.in/content/exfoliation-induced-nanoribbon-formation-poly34-ethylene-dioxythiophene-pedot-between-mos2-002481nas a2200229 4500008004100000022001400041245010800055210006900163260009900232300001400331490000700345520159100352653003401943653001501977653001901992100002602011700002202037700002202059700002202081700001702103856013102120 2008 eng d a0032-386100aEffect of synthesis procedure on the structure and properties of palladium/polycarbonate nanocomposites0 aEffect of synthesis procedure on the structure and properties of aTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLANDbELSEVIER SCI LTDcJUL a3413-34180 v493 a

In this paper, we compare two procedures for the synthesis of palladium (Pd)/polycarbonate (PC) nanocomposites as well as their morphological, optical, thermal and electrical properties. Pd nanoclusters were produced by the reduction of palladium chloride using a variation of Brust's method. Discrete I'd nanoclusters of similar to 15 nm size were formed in the absence of PC in the reaction mixture (ex situ method) while agglomeration of Pd nanoclusters was noticed in the presence of PC in the reaction mixture (in situ method). Fourier transform infrared spectroscopy (FTIR) suggests nanoparticle-polymer interactions and polymer conformational changes in the in situ nanocomposite films. Even after having the same Pd content, the ex situ nanocomposites films were found to transmit more light than the in situ nanocomposites. The glass transition temperature (T-g), decreased by similar to 16 degrees C for both the ex situ and in situ samples. Thermogravimetric analysis (TGA) indicated that the presence of Pd nanoclusters significantly improved the thermal stability of the nanocomposites, as evidenced by the enhanced onset of degradation by similar to 20 degrees C and similar to 40 degrees C for the in situ and ex situ nanocomposites, respectively. The electrical conductivity measurement shows a dramatic difference between these nanocomposites with a significantly higher value for the in situ nanocomposite (resistivity = 2.1 X 10(5) Omega m) compared to the ex situ nanocomposite (resistivity = 7.2 x 10(13) Omega m). (c) 2008 Elsevier Ltd. All rights reserved.

10ain situ and ex situ syntheses10aMorphology10aNanocomposites1 aValmikanathan, O., P.1 aOstroverkhova, O.1 aMulla, Imtiaz, S.1 aVijayamohanan, K.1 aAtre, S., V. uhttps://library.ncl.res.in/content/effect-synthesis-procedure-structure-and-properties-palladiumpolycarbonate-nanocomposites-001749nas a2200289 4500008004100000022001400041245012700055210006900182260007100251300001400322490000600336520071700342653002101059653002001080653003101100653002101131653001701152100001801169700001601187700002001203700002101223700001701244700002201261700001901283700002501302856013201327 2009 eng d a1944-824400aEnhanced conversion efficiency in dye-sensitized solar cells based on hydrothermally synthesized TiO2-MWCNT nanocomposites0 aEnhanced conversion efficiency in dyesensitized solar cells base a1155 16TH ST, NW, WASHINGTON, DC 20036 USAbAMER CHEMICAL SOCcSEP a2030-20350 v13 a

A 50 % enhancement in the conversion efficiency (4.9-7.37 %) is realized in dye-sensitized solar cells Using hydrothermally synthesized TiO2-multiwalled carbon nanotube (MWCNT) nanocomposites as compared to hydrothermally synthesized TiO2 without MWCNT and Degussa P25. Several characterizations have been employed to reveal the nature of the modification imparted to the MWCNTs under hydrothermal processing conditions and the resulting TiO2-MWCNT conjugation through -COOH groups. Efficient charge transfer In the nanocomposite and efficient electron transport by MWCNT (significantly higher Incident-photon-to-current conversion efficiency) are suggested to be the possible reasons for the enhancement.

10aCarbon nanotubes10acharge transfer10aDye-sensitized solar cells10aHybrid composite10ahydrothermal1 aMuduli, Subas1 aLee, Wonjoo1 aDhas, Vivek, V.1 aMujawar, Sarfraj1 aDubey, Megha1 aVijayamohanan, K.1 aHan, Sung-Hwan1 aOgale, Satishchandra uhttps://library.ncl.res.in/content/enhanced-conversion-efficiency-dye-sensitized-solar-cells-based-hydrothermally-synthesized-0