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2.742 Aktuelle Fachpublikationen zum Thema temperature

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Hexagonal Columnar Liquid Crystal as a Processing Additive to P3HT: PCBM Photoactive Layer

27.08.2015 | Ahipa T.N; Anoop K M; Dr. Ranjith Krishna Pai, New Journal of Chemistry, 2015

Morphology of the donor/acceptor network in the photoactive layer is critical in order to optimize the device performance. In the present study, new trihydrazone-functionalized cyanopyridine (CPTH-D16) demonstrating ambient temperature hexagonal columnar liquid crystalline phase is introduced ...

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Effects of Bi3+ ions on luminescence of dumbbell-like SrMoO4 and SrMoO4:Eu3+ microcrystals

23.08.2015 | Author(s): Yanhong Bai, Chunyan Bai, Guoli Mo, Chemical Physics Letters, 2015

Publication date: 16 September 2015 Source:Chemical Physics Letters, Volume 637 Author(s): Yanhong Bai, Chunyan Bai, Guoli Mo Bi3+ doped SrMoO4 and SrMoO4:Eu3+ microcrystals are synthesized by the precipitation method at room temperature. The synthesized samples show pure tetragonal ...

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Microstructure and mechanical properties of an ultrafine Ti–Si–Nb alloy

23.08.2015 | Author(s): G.H. Cao, G.Y. Jian, N. Liu, W.H. Zhang, A.M. Russell, D. Gerthsen, Materials Chemistry and Physics, 2015

Publication date: Available online 19 August 2015 Source:Materials Chemistry and Physics Author(s): G.H. Cao, G.Y. Jian, N. Liu, W.H. Zhang, A.M. Russell, D. Gerthsen Nb-modified ultrafine Ti–Si eutectic alloy was made by cold crucible levitation melting, tested in compression ...

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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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Desorption induced GaN quantum dots on (0001) AlN by MOVPE

21.08.2015 | Konrad Bellmann, Farsane Tabataba‐Vakili, Tim Wernicke, Andre Strittmatter, Gordon Callsen, Axel Hoffmann, Michael K ..., physica status solidi (RRL) - Rapid Research Letters, 2015

GaN quantum dots (QDs) are realized on (0001) AlN templates by growing a thin GaN layer on an AlN buffer layer and applying a subsequent desorption step without ammonia present. A growth interruption (GRI), which is commonly applied after the GaN growth allowing for QD formation, is ...

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Measuring the Time-Dependent Monomer Concentration during the Hot-Injection Synthesis of Colloidal Nanocrystals

20.08.2015 | Natalia Razgoniaeva; Amit Acharya; Narayan Sharma; Prakash Adhikari; Martin Shaughnessy; Pavel Moroz; Dmitriy Khon; ..., Chemistry of Materials, 2015

The shape of colloidal nanoparticles grown via hot-injection routes is largely determined by the reaction-limited rate of monomer nucleation. This offers an important synthetic benefit of tuning the morphology of colloidal nanocrystals simply by controlling the rate of monomer release during the ...

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Structure–Properties Relationships in Thermoplastic Polyurethane Elastomer Nanocomposites: Interactions between Polymer Phases and Nanofillers

19.08.2015 | Sílvia M. Cruz, Júlio C. Viana, Macromolecular Materials and Engineering, 2015

Polyurethane thermoplastic elastomer (TPU) nanocomposites were prepared by the incorporation of 1 wt% of high‐structured carbon black (HSCB), carbon nanofibers (CNF), nanosilica (NS) and nanoclays (NC), following a proper high‐shear blending procedure. The TPU nanofilled mechanical properties ...

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Controlled growth of PbI2 nanoplates for rapid preparation of CH3NH3PbI3 in planar perovskite solar cells

19.08.2015 | Fan Fu, Lukas Kranz, Songhak Yoon, Johannes Löckinger, Timo Jäger, Julian Perrenoud, Thomas Feurer, Christina Greten ..., physica status solidi (a), 2015

Absorbers for planar perovskite solar cells are often prepared by two‐step deposition methods, where a thick compact PbI2 layer is deposited followed by conversion to perovskite using CH3NH3I solution. The surface of the precursor layer quickly reacts with the CH3NH3I solution, which hinders ...

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Surface modification of TiO2 nanoparticles and preparation of TiO2/PDMS hybrid membrane materials

19.08.2015 | Tianjian Yang, Shoushan Sang, Xiao Zhao, Ziyong Zhang, Huaxin Rao, Polymer Composites, 2015

TiO2 nanoparticles were surface‐modified by a convenient and mild sol–gel method. A novel hybrid membrane material was prepared by crosslinking reaction based on poly(dimethylsiloxane) (PDMS) as organic matrix and TiO2 nanoparticles as inorganic filler as well as a crosslinking agent. The ...

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Characterization of BPN Pyrotechnic Composition Containing Micro‐ and Nanometer‐Sized Boron Particles

19.08.2015 | Suzan Koc, Abdullah Ulas, Nil Ezgi Yılmaz, Propellants, Explosives, Pyrotechnics, 2015

Abstract The effect of micro‐ and nanometer‐sized boron particles on boron‐potassium nitrate (BPN) ignition composition was investigated in this paper. As a starting point, thermochemical calculations were made to determine the most promising ignition compositions. Both stoichiometric and ...

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