Viscosity data are reported for n-hexadecane (C16), n-octadecane (C18), and n-eicosane (C20) at pressures between (3 and 243) MPa and temperatures between (304 and 534) K. These extreme conditions are representative of those encountered in ultra-deep petroleum formations beneath the deepwaters o...
Efficient thermal management (TM) based on phase change material (PCM) is adopted for the cooling of portable electronic devices. PCM namely n-eicosane is employed to absorb thermal energy released by such electronics. Four different configurations of circular pin-fin heat sinks with fin thickne...
The Positron Annihilation Lifetime Spectroscopy (PALS) was used to investigate properties of selected Phase Change Materials (PCMs) as a function of temperature from 123 K to 333 K. Three different PCM microcapsules investigated in this work were built of n-eicosane filling and a siloxane polyme...
In this work we investigated the phase equilibrium behavior of the binary asymmetric systems propane (C3) + n-eicosane (C20) and carbon dioxide (CO2) + n-eicosane (C20). We used a variable-volume view cell for obtaining fluid–fluid equilibrium (FFE), solid–fluid equilibrium (SFE) and solid–fl...
Organic materials like simple, long chain n-alkanes have high latent heat and find application as a phase change material (PCM). In this work, we measure the thermal conductivity, k, and viscosity, µ, of n-eicosane (C20H48) as a function of temperature, and examine the effect of homogenously di...
Microencapsulated phase change material (MPCM) has been recognized as one of the best technologies to improve energy efficiency and absorb redundant energy. However, magnetic phase change energy storage performance has rarely been applied on wood. In this paper, magnetic microencapsulated phase ...
This study experimentally explores the thermal performance enhancement of portable electronics; based on the n-eicosane used as a phase change material (PCM) filled pin-fin heat sinks. A constant heat flux ranging from 0.79kW/m2 to 3.17kW/m2 is applied at the base of heat sink. Comparison was ca...
Synthesis of microcapsules composed of a paraffin core coated with polysiloxane, which were developed in one of our laboratories, was adapted for preparation of the microcapsules for thermoregulation of textiles. n-Eicosane with melting temperature 37 °C was used as a phase change material (PCM...
This study focuses on preparation, characterization and thermal behavior of novel micro-nanoencapsulated phase change materials (PCMs) for thermal energy storage applications. The micro-nano capsules with n-eicosane as core and poly(methyl methacrylate) (PMMA) as shell with a weight ratio of 50/...
This research aims to present the preparation, characterization and thermophysical properties of water-based microencapsulated n-eicosane PCM suspensions for thermal energy storage. n-eicosane PCMs are coated with urea–formaldehyde polymer shell. The microcapsules have been characterized by Fou...
Colloidal synthesis method such as oleylamine (OAm)-stabilized process is of great interest for obtaining uniform and highly dispersed platinum nanoparticle catalysts, yet the ligand may unavoidably inhibit their electro-catalytic performance. Thus, fully removing these ligands is critical to ac...
Methylammonium lead bromide (CH3NH3PbBr3) thin films and nanocrystals are useful for solar cells and LED applications. In order to improve stability in ambient environment, CH3NH3PbBr3 nanocrystals have been synthesized using oleylamine as capping molecule. It was found that by increasing the ol...
A novel structured hydrotalcite-based film was synthesized on TC4 titanium alloy by facile hydrothermal method, and then modified with graphene and oleylamine. The structure, morphology, composition, wetting and lubricating properties of the as-prepared films were investigated. The oleylamine/gr...
Monodisperse CuNi nanoparticles are conveniently prepared by the reduction of cupric acetate and nickel(II) acetylacetonate in the presence of oleylamine and borane tributylamine under inert gas atmosphere. It is found that among the CuNi system, Cu0.9Ni0.1 shows the best performance for catalyz...
Nickel oxide nanoparticles were synthesized via thermal decomposition of two precursors, the first, a simple nickel malonate and the second, a nickel malonate modified by oleylamine, a surfactant, both having been synthesized by precipitation. While FTIR, TGA and ToF-SIMS were used to characteri...
Bi2O3 nanoparticles are prepared by using a facile solution-based thermal decomposition method assisted by oleylamine. These Bi2O3 nanoparticles self assemble into nanobelts. The reaction time and temperature affect self-assembly behaviour of the Bi2O3 nanoparticles. Increasing the reaction time...
A radiotracer technique with tritium-labeled nanodiamonds (NDs) has been used to study the distribution of NDs in water/octane system. The surface of NDs has been modified by heat treatment (oxidation) in air and functionalization using oleylamine (OLA) as surfactant. It has been shown that oxid...
Formation of gold nanoparticles (NPs) from the mixture containing NaAuCl4 as a precursor, octadecene as a solvent and oleylamine as a reducing agent was studied in situ by means of optical and X-ray spectroscopies. Dynamic light scattering (DLS) revealed the presence of initial aggregates of 500...
This work reports a simple and cost-effective synthesis path to fabricate manganese dioxide nanostructures with controlled morphologies. Herein, we have used oleylamine as a reducing, surfactant, and structure directing agent. The treatment of MnO2 precursor with the varying concentration of ole...
Methylammonium lead bromide (CH3NH3PbBr3) nanocrystals have great potentials for lighting and display applications. Previously we synthesized CH3NH3PbBr3 nanocrystals using oleylamine as capping molecule and found that by increasing the oleylamine to CH3NH3PbBr3 perovskite ratio (OPR), the photo...
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