An electrode material of a supercapacitor includes a negative material prepared by the following steps: first dispersing graphite oxide in deionized water; after stirring and ultrasonic treatment, reducing the graphite oxide into reduced graphene oxide by using a hydrazine hydrate, and vacuum drying at 40-80° C.; dispersing the reduced graphene oxide in a DMF solution with 2,6-diaminoanthraquinone, and stirring and performing the ultrasonic treatment again; at 60-90° C., adding isoamyl nitrite, and reacting for 18-24 h; and washing reaction products with ethanol and deionized water for multiple times, and finally freeze drying to obtain a product.

The invention relates to a process for preparing an AFX-structure zeolite comprising at least the following steps: i) mixing, in an aqueous medium, an FAU-structure zeolite having an SiO.sub.2 (FAU)/Al.sub.2O.sub.3 (FAU) molar ratio of between 6.00 and 200, limits included, an organic nitrogenous compound R, at least one source of at least one alkali and/or alkaline-earth metal M, the reaction mixture having the following molar composition: (SiO.sub.2 (FAU))/(Al.sub.2O.sub.3 (FAU)) between 6.00 and 200, H.sub.2O/(SiO.sub.2 (FAU)) between 1.00 and 100, R/(SiO.sub.2 (FAU)) between 0.01 and 0.60, M.sub.2/nO/(SiO.sub.2 (FAU)) between 0.005 and 0.45, limits included, until a homogeneous precursor gel is obtained; ii) hydrothermal treatment of said precursor gel obtained on conclusion of step i) at a temperature of between 120° C. and 220° C., for a time of between 12 hours and 15 days.

Processes for forming Mo and W containing thin films, such as MoS.sub.2, WS.sub.2, MoSe.sub.2, and WSe.sub.2 thin films are provided. Methods are also provided for synthesizing Mo or W beta-diketonate precursors. Additionally, methods are provided for forming 2D materials containing Mo or W.

A method of making Cu—Ag.sub.3PO.sub.4 nanoparticles is provided. The method includes forming a mixture of at least one silver salt, at least one phosphate salt, and at least one copper (II) salt. The method further includes dissolving the mixture in water. The method further includes sonicating the mixture. The method further includes precipitating the Cu—Ag.sub.3PO.sub.4 nanoparticles or “nanoparticles”. The copper is present in the nanoparticles in an amount of 2 to 23 weight percent (wt.%) based on the total weight of the Cu—Ag.sub.3PO.sub.4. The nanoparticles of the present disclosure find application in treating cervical cancer, and colorectal cancer. The nanoparticles may also be used in photodegrading environmental pollutants.

Composite carbon particles including a porous carbon material and a silicon component, the composite carbon particle having an average aspect ratio of 1.25 or less, and a ratio (I.sub.Si/I.sub.G) of a peak intensity (I.sub.Si) in the vicinity of 470 cm.sup.−1 to a peak intensity (I.sub.G) in the vicinity of 1580 cm.sup.−1 as measured by Raman spectroscopy of 0.30 or less, wherein the porous carbon material satisfies V.sub.1/V.sub.0>0.80 and V.sub.2/V.sub.0<0.10, when a total pore volume at a maximum value of a relative pressure P/P.sub.0 is defined as V.sub.0 and P.sub.0 is a saturated vapor pressure, a cumulative pore volume at a relative pressure P/P.sub.0=0.1 is defined as V.sub.1, a cumulative pore volume at a relative pressure P/P.sub.0=10.sup.−7 is defined as V.sub.2 in a nitrogen adsorption test, and has a BET specific surface area of 800 m.sup.2/g or more.

Proposed is a method for manufacturing a spherical YOF-based powder. Specifically, proposed is a method for manufacturing a spherical YOF-based powder. The YOF-based powder injected into the plasma jet and melted into the refrigerant in a droplet state is sprayed and quenched, thereby improving density and controlling the component ratio through particle spheroidization.

A method of fabricating polyacrylonitrile (PACN) nanostructured carbon superstructure shapes is provided that includes forming a PACN polymer superstructure shape by using as a monomer, an initiator, and a solvent or incorporation of a different co-monomer for free radical polymerization, and converting the PACN polymer superstructure shape to a nanostructured carbon superstructure analogue using stabilization and carbonization of the PACN polymer superstructure shape, where the stabilization includes heating the PACN polymer superstructure shape to a temperature that is adequate to form a stabilization reaction, where the carbonization includes using a heat treatment.

Methods of synthesizing Bi.sub.2S.sub.3—CdS particles in the form of spheres as well as properties of these Bi.sub.2S.sub.3—CdS particles are described. Methods of photocatalytic degradation of organic pollutants employing these Bi.sub.2S.sub.3—CdS particles and methods of preventing or reducing microbial growth on a surface by applying these Bi.sub.2S.sub.3—CdS particles in the form of a solution or an antimicrobial product onto the surface are also specified.

Magnetodielectric (MD) metamaterials have a magnetodielectric (MD) substrate of a ferrite composition or composite having a characteristic impedance matching an impedance of free space and at least one frequency selective surface (FSS). The FSS has a plurality of frequency selective surface elements disposed in a pattern and supported on the MD substrate. The FSS has a conducting composition and is configured to permit one or more of transmission, reflection, or absorption at a selected resonant frequency or selected frequency band. Articles incorporating magnetodielectric metamaterials are provided.

A solution is provided comprising boron nitride nanotubes (BNNTs) in a liquid solvent. An optical waveguide, such as an optical fiber, is contacted with the solution so as to form a layer of the solution supported on at least a portion of the optical waveguide. The liquid solvent is then removed from the layer of the solution supported on the optical waveguide in order to form a coating of the BNNTs on the optical waveguide. Further provided is a BNNT coated optical waveguide for use as a sensor.