Materials Literature
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A Lead sulfide (PbS) film synthesized by ultrasonic wave assisted chemical bath deposition (CBD) method. The as-deposited films were characterized by X-ray diffraction (XRD) and scanning electron microscope (SEM) measurements. The photoelectrochemical (PEC) cell, with PbS/ITO/glass as a photo cathode and Na2SO4 (0.10…
This article discusses recent synchrotron radiation based measurements of nanoparticle formation between arcing contacts.
Abstract The use of organic molecular and polymer materials in circuitry has received considerable attention during the last years. These multifunctional materials enable the low‐cost production of simple designed organic electronic devices and logic circuits that are driven at low voltages. We report on electrochemic…
The electrochemical performance of Mg-Al alloy composite sacrificial anodes in seawater was studied. The results show that Mg-Al composite anode can keep the electrochemical characters of Mg anode and Al anode respectively. The protection process of Mg-Al composite anode includes 4 steps: (1) Mg anode protects the ste…
The inverse microemulsion copolymerization of poly (dimethyl diallyl ammonium chloride-acrylamide) (PDMDAAC-AM) has been studied using a blend of two surfactants Span-80 and OP-10 as the composite emulsifier in kerosene-water media. The effects of various polymerization parameters (e.g., polymerization method, reactio…
An optimization solution is proposed for the pressure centrifugal filtration, which provides the maximum volume cake in a centrifugal basket with a height-decreasing peripheral zone and cylindrical filtrating strainer of low resistance in order to avoid the formation of a stream. This solution is based on a computer s…
Abstract We report the proton-coupled electron-transfer reaction of ruthenium complex bearing bis(benzimidazolyl)pyridine and pyrene anchor on single-walled carbon nanotubes (SWNTs). The complex was attached through a π–π interaction between pyrene and a SWNT. Cyclic voltammetric measurements were used to characterize…
Abstract Process optimization for increasing the response speed of liquid crystal (LC) optical rewritable e‐paper was investigated. It is demonstrated that by filling LC in atmosphere condition rewriting time could be decreased to 6 s with good repeatability. Increasing the spin coating speed and time could also decre…
En este trabajo estudiamos la influencia de la atmósfera utilizada en el tratamiento térmico; así como la impurificación con Europio, en la transformación estructural de nanofibras de TiO2, crecidas por la técnica de electrohilado. Las muestras de TiO2 fueron tratadas térmicamente en atmósferas de Nitrógeno y Aire. La…
Thin films of the blends of dodecylbenzenesulfonic acid (DBSA) doped polyaniline (PAni) and the commercial poly(butadiene-co-acrylonitrile)/poly(vinyl chloride) blend (ZeonNipol ® DN171) were prepared via co-dissolution, at varying ratios of conducting fillers (0.5-50 wt.%). Electrical conductivity measurements showed…
Indonesia kaya akan bahan baku tambang, salah satunya adalah pasir besi dan bijih besi yang digunakan sebagai bahan baku pembuatan besi dan baja. Dalam proses pembuatan besi dan baja banyak cara dan proses yang dilakukan yaitu dengan dilebur langsung pada tanur tiup (blast furnace) dalam bentuk ore dengan hasil pig ir…
Polymer nanocomposites containing polypropylene (PP) as the polymer matrix and nanofiller aluminium hydroxide (ATH) as the flame retardant filler were compounded with various loading of maleic anhydride grafted polypropylene, MAPP (0, 1, 2, 3, 5 wt %). All materials were mixed using melt mixing process and were furthe…
Gempa yang terjadi di Indonesia mengakibatkan kerusakan struktur bangunan. Pemasangan tulangan pada HBK yang kurang baik menjadi pemicu kerusakan tersebut. Banyak penelitian mengenai modifikasi sengkang pada join untuk memperbaiki kinerjanya tetapi dalam praktiknya sulit dilaksanakan. Cara lain untuk memperbaiki kiner…
The authors would like to acknowledge financial support from the European project “Efficient Conversion of Coal to Electricity – Direct Coal Fuel Cells”, which is funded by the Research Fund for Coal & Steel (RFC-PR-10007).
The tactile impression of hair and words to express it are essential elements for measuring the performance of hair care products. However, the use of words and evaluation by people lack precision in that there are individual variations in hair condition as well as variations from one's sense of value. Moreover, preci…
The electromagnetic shielding properties of several conducting textiles are investigated by means of measurement techniques and numerical calculations. The features and performances of a computational Material Modeling Tool (MMT) are introduced and applied to the calculation of the shielding effectiveness of metallize…
Fuel cells belong to an avant-garde technology family for a wide variety of applications including micro-power, transportation power, stationary power for buildings and other distributed generation applications. The first objective of this contribution is to find a suitable reduced model of a Solid Oxide Fuel Cell (SO…
The kinetics of oxidation of α,β-unsaturated alcohols (allyl alcohol, Crotyl alcohol, Cinnamyl alcohol) by quinaldinium fluorochromate has been studied in aqueous acid medium at 313 K. α,β-unsaturated alcohols were converted to the corresponding acrolein, crotonaldehyde and cinnamaldehyde. The reaction is first order…
For years, many companies or research organizations are concentrating their efforts on further miniaturization and multi-function of devices with high density interconnects. Assembly with 2.5D/3D stacking is one of the most innovative interconnect technologies today, and it is anticipated to be a breakthrough in the n…
Pada penelitian ini telah dilakukan sintesis padatan CaF 2 dan Ca 1-x Cu x F 2 . Padatan Ca 1-x Cu x F 2 disintesis dengan cara doping logam Cu ke dalam padatan CaF 2 (x= 0,025; 0,05; 0,075; 0,1 dan 0,15 mol). Padatan hasil sintesis kemudian dikarakterisasi struktur kristalnya dengan difraktometer sinar-X (XRD). Difra…