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Morphology, thermal, and electrical properties of polypropylene hybrid composites co‐filled with multi‐walled carbon nanotubes and graphene nanoplatelets

21.08.2015 | Marcin Wegrzyn, Begoña Galindo, Adolfo Benedito, Enrique Gimenez, Journal of Applied Polymer Science, 2015

ABSTRACT In this study, nanocomposites of polypropylene (PP) with various loadings of multi‐wall carbon nanotubes (MWCNT) and graphene nanoplatelets (GnP) were formed by masterbatch dilution/mixing approach from individual masterbatches PP‐MWCNT and PP‐GnP. Melt mixing on a twin‐screw extruder ...

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Effect of Cation on Physical Properties and CO2 Solubility for Phosphonium-Based Ionic Liquids with 2-Cyanopyrrolide Anions

21.08.2015 | Samuel Seo; M. Aruni DeSilva; Han Xia; Joan F. Brennecke, Journal of Physical Chemistry B, 2015

A series of tetraalkylphosphonium 2-cyanopyrrolide ([Pnnnn][2-CNPyr]) ionic liquids (ILs) were prepared to investigate the effect of cation size on physical properties and CO2 solubility. Each IL was synthesized in our laboratory and characterized by NMR spectroscopy. Their physical properties, ...

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Molecular dynamics simulation of the conductivity mechanism of nanorod filled polymer nanocomposites

19.08.2015 | Yangyang Gao; Dapeng Cao; Jun Liu; Jianxiang Shen; Youping Wu; Liqun Zhang, Physical Chemistry Chemical Physics, 2015

We adopted molecular dynamics simulation to study the conductive property of nanorod-filled polymer nanocomposites by focusing on the effects of the interfacial interaction, aspect ratio of the fillers, external shear field, filler–filler interaction and temperature. The variation of the ...

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Functionalized Agarose Self‐Healing Ionogels Suitable for Supercapacitors

17.08.2015 | Tushar J. Trivedi, Dhrubajyoti Bhattacharjya, Jong‐Sung Yu, Arvind Kumar, ChemSusChem, 2015

Abstract Agarose has been functionalized (acetylated/carbanilated) in an ionic liquid (IL) medium of 1‐butyl‐3‐methylimidazolium acetate at ambient conditions. The acetylated agarose showed a highly hydrophobic nature, whereas the carbanilated agarose could be dissolved in water as well as in ...

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The Impact of Grain Alignment of the Electron Transporting Layer on the Performance of Inverted Bulk Heterojunction Solar Cells

13.08.2015 | Banavoth Murali, Abdulrahman El Labban, Jessica Eid, Erkki Alarousu, Dong Shi, Qiang Zhang, Xixiang Zhang, Osman M. ..., Small, 2015

This report presents a new strategy for improving solar cell power conversion efficiencies (PCEs) through grain alignment and morphology control of the ZnO electron transport layer (ETL) prepared by radio frequency (RF) magnetron sputtering. The systematic control over the ETL's grain alignment ...

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Proton‐Conducting Magnetic Coordination Polymers

13.08.2015 | Soumava Biswas, Himanshu Sekhar Jena, Suresh Sanda, Sanjit Konar, Chemistry - A European Journal, 2015

Abstract Three isostructural lanthanide‐based two‐dimensional coordination polymers (CPs) {[Ln2(L)3(H2O)2]n⋅2n CH3OH)⋅2n H2O} (Ln=Gd3+ (1), Tb3+ (2), Dy3+ (3); H2L=cyclobutane‐1,1‐dicarboxylic acid) were synthesized by using a low molecular weight dicarboxylate ligand and characterized. ...

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A Conductive Self-Healing Hybrid Gel Enabled by Metal–Ligand Supramolecule and Nanostructured Conductive Polymer

13.08.2015 | Ye Shi; Ming Wang; Chongbo Ma; Yaqun Wang; Xiaopeng Li; Guihua Yu, Nano Letters, 2015

Self-healing materials emerge as a fascinating class of materials important for various technological applications. However, achieving the synergistic characteristics of high conductivity, room-temperature self-healing ability, and decent mechanical properties still remains a critical challenge. ...

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Surface structured platinum electrodes for the electrochemical reduction of carbon dioxide in imidazolium based ionic liquids

12.08.2015 | Florin Hanc-Scherer; Miguel Angel Montiel; Vicente Montiel; Enrique Herrero; Carlos Sánchez-Sánchez, Physical Chemistry Chemical Physics, 2015

The direct CO2 electrochemical reduction on model platinum single crystal electrodes Pt(hkl) is studied in [C2mim+][NTf2-], a suitable room temperature ionic liquid (RTIL) medium due to its moderate viscosity, high CO2 solubility and conductivity. Single crystal electrodes represent the most ...

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Li17Sb13S28: A New Lithium Ion Conductor and addition to the Phase Diagram Li2S–Sb2S3

11.08.2015 | Sebastian Huber, Arno Pfitzner, Chemistry - A European Journal, 2015

Abstract Li17Sb13S28 was synthesized by solid‐state reaction of stoichiometric amounts of anhydrous Li2S and Sb2S3. The crystal structure of Li17Sb13S28 was determined from dark‐red single crystals at room temperature. The title compound crystallizes in the monoclinic space group C2/m (no. 12) ...

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The effect of initiators and oxidants on the morphology of poly [(±)‐2‐(sec‐butyl) aniline] a chiral bulky substituted polyaniline derivative

11.08.2015 | Fahimeh Movahedifar, Ali Reza Modarresi‐Alam, Polymers for Advanced Technologies, 2015

The nano and micro sphere synthesis of chiral bulky substituted polyaniline from monomer (±)‐2‐sec‐butylaniline in bulk and template‐free method (rapid mixing) was done successfully using ammonium peroxydisulfate (APS) and FeCl3·6H2O as oxidants. The effect of initiators such as ...

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