C01G1/12

Mesoporous materials and processes for preparation thereof

A process for preparing a mesoporous material, e.g., transition metal oxide, sulfide, selenide or telluride, Lanthanide metal oxide, sulfide, selenide or telluride, a post-transition metal oxide, sulfide, selenide or telluride and metalloid oxide, sulfide, selenide or telluride. The process comprises providing an acidic mixture comprising a metal precursor, an interface modifier, a hydrotropic or lyotropic ion precursor, and a surfactant; and heating the acidic mixture at a temperature and for a period of time sufficient to form the mesoporous material. A mesoporous material prepared by the above process. A method of controlling nano-sized wall crystallinity and mesoporosity in mesoporous materials. The method comprises providing an acidic mixture comprising a metal precursor, an interface modifier, a hydrotropic or lyotropic ion precursor, and a surfactant; and heating the acidic mixture at a temperature and for a period of time sufficient to control nano-sized wall crystallinity and mesoporosity in the mesoporous material. Mesoporous materials and a method of tuning structural properties of mesoporous materials.

SUB-100 NM OXIDIZED TRANSITION METAL TUBULAR ARCHITECTURES

An array of transition metal tubular architectures, where the transition metal tubular architectures are comprised of a transition metal oxide, sulfide, or selenide, and wherein transition metal tubular architectures are less than 100 nm in length. The transition metal tubular architectures can be at least partially crystalline. Within the array of transition metal tubular architectures, at least 80% of the transition metal tubular architectures can be less than 100 nm in length.

Nanoparticles passivated with cationic metal-chalcogenide compound

Provided are nanoparticles passivated with a cationic metal-chalcogenide complex (MCC) and a method of preparing the same. A passivated nanoparticle includes: a core nanoparticle; and a cationic metal-chalcogenide compound (MCC) fixed on a surface of the core nanoparticle.

Nanoparticles passivated with cationic metal-chalcogenide compound

Provided are nanoparticles passivated with a cationic metal-chalcogenide complex (MCC) and a method of preparing the same. A passivated nanoparticle includes: a core nanoparticle; and a cationic metal-chalcogenide compound (MCC) fixed on a surface of the core nanoparticle.

INORGANIC TUBULAR-LIKE PARTICLES IN A POLYMER MATRIX
20200048426 · 2020-02-13 ·

A composite is provided including metal chalcogenide nanotubes as the dispersed phase in a polymeric matrix, in which the polymeric matrix may be a fluoropolymer, urethane (e.g., polyurethane), sulfonic polymer, as well as epoxy and acrylic polymers for adhesive applications, such as pressure sensitive adhesives.

SULFIDATED NANOSCALE ZEROVALENT IRON AND METHOD OF USE THEREOF
20200031695 · 2020-01-30 ·

The present disclosure relates to sulfur-containing zerovalent iron nanoparticles and the use of same for transforming chlorinated solvent pollutants and which may therefore be useful as water treatment technology for restoration of groundwater resources contaminated with toxic, chlorinated solvent pollutants.

SUB-100 NM OXIDIZED TRANSITION METAL TUBULAR ARCHITECTURES

An array of transition metal tubular architectures, where the transition metal tubular architectures are comprised of a transition metal oxide, sulfide, or selenide, and wherein transition metal tubular architectures are less than 100 nm in length. The transition metal tubular architectures can be at least partially crystalline. Within the array of transition metal tubular architectures, at least 80% of the transition metal tubular architectures can be less than 100 nm in length.

THREE-DIMENSIONAL ASSEMBLED ACTIVE MATERIAL FROM TWO-DIMENSIONAL SEMICONDUCTOR FLAKES FOR OPTOELECTRONIC DEVICES

A process for preparing stacks of metal chalcogenide flakes includes: (a) reacting together a source of the metal atom of the target metal chalcogenide with a source of the chalcogenide atom of the target metal chalcogenide, in the presence of a spacer, so as to produce flakes of the metal chalcogenide; (b) depositing metal chalcogenide flakes obtained using step (a) onto a substrate to form a stack of assembled metal chalcogenide flakes, wherein the spacer contains an alkyl chain linked to a functional group able to bond to the metal chalcogenide surface, said alkyl chain having a length of less than 18 carbon atoms, preferably between 6 and 14 carbon atoms.

Method of forming a porous particle

There is provided a method of forming a porous particle comprising an electrically conductive continuous shell encapsulating a core, said core comprising an elemental compound that reversibly reduces in the presence of a cation and oxidizes in the absence of said cation, said method comprising the steps of: a) encapsulating an elemental compound precursor with said electrically conductive shell; b) reacting said elemental compound precursor with an oxidation agent to oxidize said elemental compound precursor to form said elemental compound, thereby forming said electrically conductive shell encapsulating said core comprising said elemental compound.

Method of forming a porous particle

There is provided a method of forming a porous particle comprising an electrically conductive continuous shell encapsulating a core, said core comprising an elemental compound that reversibly reduces in the presence of a cation and oxidizes in the absence of said cation, said method comprising the steps of: a) encapsulating an elemental compound precursor with said electrically conductive shell; b) reacting said elemental compound precursor with an oxidation agent to oxidize said elemental compound precursor to form said elemental compound, thereby forming said electrically conductive shell encapsulating said core comprising said elemental compound.