Nanocrystalline FeMnO Powder as Catalyst for Combustion of Volatile Organic Compounds.

The paper shows the obtaining of nanocrystalline iron manganite (FeMnO) powders and their investigation in terms of catalytic properties for a series of volatile organic compounds. The catalyst properties were tested in the catalytic combustion of air-diluted vapors of ethanol, methanol, toluene and xylene at moderate temperatures (50-550 °C). Catalytic combustion of the alcohols starts at temperatures between 180 °C and 230 °C.

Preparation, Chemical Composition, and Optical Properties of (-GaO Composite Thin Films)/(GaSSe Lamellar Solid Solutions) Nanostructures.

GaSSe solid solutions are layered semiconductors with a band gap between 2.0 and 2.6 eV.

Optical and Structural Analysis of TiO-SiO Nanocomposite Thin Films Fabricated via Pulsed Laser Deposition Technique.

TiO-SiO nanocomposite thin films have gained the attention of the scientific community due to their unique physical and chemical properties. In this paper, we report on the fabrication and characterization of a TiO-SiO nanocomposite disk-shaped target. The target was used for the deposition of TiO-SiO nanocomposite thin films on fluorine-doped tin oxide/glass substrates using the pulsed laser deposition (PLD) technique.

Exploring Pyrrolo-Phenanthrolines as Semiconductors for Potential Implementation in Organic Electronics.

This paper describes the synthesis and characterization of new organic semiconductors based on pyrrolo[1,2-i][1,7]phenanthrolines in the form of thin layers. The thin layers, produced via the spin coating method (with a thickness of 10-11 μm), were investigated for their electrical and optical properties. After heat treatment at temperatures ranging from 210 to 240 °C, the layers displayed consistent and reproducible properties.

Studies of the Structure and Optical Properties of BaSrMgWO Thin Films Deposited by a Spin-Coating Method.

Highly transparent thin films with the chemical formula BaSrMgWO were deposited by spin coating using a solution of nitrates of Ba, Sr, and Mg and ammonium paratungstate in dimethylformamide with a Ba:Sr:Mg:W ratio = 1:1:1:1. XRD, SEM, EDX, and XPS investigations evidenced that annealing at 800 °C for 1 h results in an amorphous structure having a precipitate on its surface, and that supplementary annealing at 850 °C for 45 min forms a nanocrystalline structure and dissolves a portion of the precipitates. A textured double perovskite cubic structure (61.

Optical and Photosensitive Properties of Flexible ()-InSe/InO Heterojunctions.

In this work, optical, including photoluminescence and photosensitivity, characteristics of micrometer-sized flexible ()-InSe/InO heterojunctions, obtained by heat treatment of single-crystalline InSe plates doped with (0.5 at.%) Cd (Sn), in a water-vapor- and oxygen-enriched atmosphere, are investigated.

Structural, Electrical and Optical Properties of Pyrrolo[1,2-][1,7] Phenanthroline-Based Organic Semiconductors.

This work reports a study on structural, electrical and optical properties of some recently synthesized pyrrolo[1,2-][1,7] phenanthrolines derivatives in thin films. The thin films were deposited onto glass substrates by spin coating technique, using chloroform as solvent. The obtained films exhibited a polycrystalline structure with an -type semiconductor behavior after heat treatment in the temperature range 293-543 K, specific to each sample.

Porous Nanostructured Gadolinium Aluminate for High-Sensitivity Humidity Sensors.

This paper presents the synthesis of gadolinium aluminate (GdAlO), an oxide compound with a perovskite structure, for applications as a capacitive and/or resistive humidity sensor. Gadolinium aluminate was synthesized by the sol-gel self-combustion method. This method allowed us to obtain a highly porous structure in which open pores prevail, a structure favorable to humidity sensors.