Search Results - "Windmöller, D."
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Systematic investigation of the effects of temperature and pressure on gas transport through polyurethane/poly(methylmethacrylate) phase-separated blends
Published in Journal of membrane science (05-03-2008)“…Polyurethane (PU) and polyurethane–poly(methylmethacrylate) (PMMA) blend membranes were used in gas separation studies. The effects of blend composition,…”
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Effect of blend composition on microstructure, morphology, and gas permeability in PU/PMMA blends
Published in Journal of membrane science (01-03-2006)“…PU and PU/PMMA blends were studied by Fourier transform infrared spectroscopy (FTIR), temperature modulated differential scanning calorimetry (TMDSC), scanning…”
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3
Supramolecular interactions between triphenylphosphine oxide and benzamide evaluated by positron annihilation lifetime spectroscopy
Published in Journal of molecular structure (15-04-2017)“…In the present work, intermolecular interactions between triphenylphosphine oxide (TPPO) and benzamide (BZM) has been studied in solid state by Positron…”
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Solid Eu(III) complexes studied by positron annihilation, optical and Mössbauer spectroscopies: Insights on the positronium formation mechanism
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15-06-2012)“…[Display omitted] ► Absence of positronium formation in europium complexes. ► Mössbauer, luminecence and positron spectroscopies measured in Eu(dpm)3. ►…”
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Positron annihilation studies in binary solid solutions and mechanical mixtures of lanthanide dipivaloylmethanate complexes
Published in Chemical physics (05-11-2015)“…[Display omitted] •Positronium formation in several Ln3+ complexes, except in Eu3+ complexes.•Positron annihilation spectroscopies used as a characterization…”
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Positron annihilation study of pore size in ordered SBA-15
Published in Journal of non-crystalline solids (01-11-2008)“…Ordered mesoporous materials such as SBA-15 possess a network of channels and pores with a well-defined size in the nanoscale range (2–50 nm). This particular…”
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Journal Article Conference Proceeding -
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Positron annihilation studies in solid substituted aromatic compounds
Published in Chemical physics letters (11-04-2011)“…[Display omitted] ► Aromatics with electron donating groups increase positronium formation probability. ► Ratio of positronium formation probability are used…”
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Positronium formation studies in solid molecular complexes: Triphenylphosphine oxide–triphenylmethanol
Published in Journal of molecular structure (13-06-2012)“…► Positronium formation was detected in [TPPO(1−X)⋅TPMX] system. ► TPPO and TPM show a high positronium formation probability. ► The [TPPO0.5⋅TPM0.5] complex…”
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Positronium formation studies in crystalline molecular complexes: Triphenylphosphine oxide – Acetanilide
Published in Journal of molecular structure (10-04-2013)“…[Display omitted] ► [TPPO(1−X)·ACNX] was studied by thermodynamic, spectroscopic and structural techniques. ► By PALS, TPPO and ACN have the same positronium…”
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Positronium formation in europium(III) coordination compounds
Published in Chemical physics letters (12-06-2006)“…Positronium formation in Eu(III) complexes was detected. For the complexes investigated in the present work, rough correlations between the luminescence…”
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Electronic structure of solid molecular complexes evaluated by positronium formation studies at low temperature
Published in Journal of molecular structure (15-03-2015)“…[Display omitted] •[TPPO1−x⋅TPMx] and [TPPO1−x⋅ACNx] systems were studied by PALS at low temperature.•At 80K, τ3 and I3 remain constant throughout the…”
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Journal Article -
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Participation of electronic excited states in the positronium formation mechanism in the Gd(III) pentakis (picrate) complexes with imidazolium countercations
Published in Journal of luminescence (01-02-2016)“…In this work, positron annihilation lifetime (PALS) and optical spectroscopies measurements were performed on [Gd(pic)2(H2O)6](pic)·6H2O and on complexes of…”
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Journal Article -
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Positronium formation in solid transition metal losartanates complexes
Published in Chemical physics letters (14-10-2013)“…•Ps formation in losartan complexes were evaluated by spur and cibotatic.•I3 parameter was correlated with molar conductivity and periodic properties E0 and…”
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Journal Article -
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Dialytic transport of carboxylic acids through an anion exchange membrane
Published in Journal of membrane science (04-02-1998)“…The transport behavior of five carboxylic acids of relevance in biotechnology (acetic, propionic, lactic, oxalic, citric) in diffusion dialysis and…”
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