The present disclosure relates to tungsten bronze thin films and method of making the same. Specifically, the present disclosure relates to a thin, homogeneous, highly conducting cubic tungsten bronze film with densely packed micron size particles and the process of making the film.

Provided is a titanium oxide fine particle mixture having a high photocatalytic activity, especially a high photocatalytic activity in the visible light region. The titanium oxide fine particle mixture contains: first titanium oxide fine particles; and second titanium oxide fine particles, wherein the second titanium oxide fine particles are titanium oxide fine particles with at least an iron component and a silicon component solid-dissolved therein, and the first titanium oxide fine particles are titanium oxide fine particles that may have a component(s) other than an iron component and a silicon component solid-dissolved therein.

Disclosed are embodiments of high Q modified materials. In some embodiments, complex tungsten oxides and/or hexagonal perovskite crystal structures can be added to provide for advantageous properties. In some embodiments, no tin is used in the formation of the material.

An electronic device comprises a first blocking electrode; a second blocking electrode; and a dielectric material disposed between the first electrode and the second electrode, the dielectric material comprising a compound of Formula 1

Li.sub.24-b*y-c*z-a*xM.sup.1.sub.yM.sup.2.sub.zM.sup.3.sub.xO.sub.12-δ  (1)

wherein M.sup.1 is a cationic element having an oxidation state of b, wherein b is +1, +2, +3, +4, +5, +6, or a combination thereof; M.sup.2 is a cationic element having an oxidation state of c, wherein c is +1, +2, +3, +4, +5, +6, or a combination thereof; M.sup.3 is a cationic element having an oxidation state of a, wherein a is +1, +3, +4, or a combination thereof; 0≤y≤3; 0≤z≤3; 0≤x≤5; and 0≤δ≤2. Methods for the manufacture of the electronic device are also disclosed.

The invention relates to polyoxometalates represented by the formula (A.sub.n).sub.m+{[M.sub.6(O.sub.2).sub.9][(XM′.sub.10O.sub.37).sub.3]}.sup.m− or solvates thereof, corresponding supported polyoxometalates, and processes for their preparation, as well as their use in oxidative conversion of organic substrate.

A method of manufacturing a positive electrode active material for a lithium-ion secondary battery includes a water-washing step of washing a lithium-nickel composite oxide containing Li, Ni, and an element M with water, and conducting a filtration to form a washed-cake, a mixing step of mixing, while heating, the washed-cake and a tungsten compound without lithium while heating to obtain a tungsten mixture, and a heat treatment step of heat-treating the tungsten mixture, wherein a water content of the washed-cake is 3.0% by mass or more and 10.0% by mass or less, a ratio of a number of tungsten atoms contained in the tungsten mixture to a total number of nickel and the element M atoms contained in the lithium-nickel composite oxide is 0.05 at. % or more and 3.00 at. % or less, and a temperature of the mixing step is 30° C. or higher and 70° C. or lower.

A method of manufacturing a positive electrode active material for a lithium-ion secondary battery includes a water-washing step of washing a lithium-nickel composite oxide containing Li, Ni, and an element M with water, and conducting a filtration to form a washed-cake, a mixing step of mixing, while heating, the washed-cake and a tungsten compound without lithium while heating to obtain a tungsten mixture, and a heat treatment step of heat-treating the tungsten mixture, wherein a water content of the washed-cake is 3.0% by mass or more and 10.0% by mass or less, a ratio of a number of tungsten atoms contained in the tungsten mixture to a total number of nickel and the element M atoms contained in the lithium-nickel composite oxide is 0.05 at. % or more and 3.00 at. % or less, and a temperature of the mixing step is 30° C. or higher and 70° C. or lower.

A negative thermal expansion material having a negative thermal expansion coefficient according to the present invention is represented by Zr.sub.2-aM.sub.aS.sub.xP.sub.2O.sub.12+δ, where M is at least one selected from Ti, Ce, Sn, Mn, Hf, Ir, Pb, Pd, and Cr; a is 0≤a<2; x is 0.4≤x≤1; and δ is a value defined as to satisfy a charge neutral condition. The present invention makes it possible to provide a negative thermal expansion material, a composite material and a method for producing a negative thermal expansion material that can realize reduction in cost and density reduction.

The present disclosure relates to a transition metal chalcogenide for preparing metal nanostructures, metal nanostructures obtained thereby, an electronic instrument including the same, and a method for manufacturing the same. More particularly, the present disclosure relates to a transition metal chalcogenide for preparing metal nanostructures using transition metal dichalcogenide nanosheets as a reducing agent, metal nanostructures obtained thereby, an electronic instrument including the same, and a method for manufacturing the same.

A heat ray shielding fine particle dispersion body and a heat ray shielding laminated transparent substrate that as well as exhibit heat ray shielding properties and suppressing a scorching sensation on the skin when used in structures such as window materials and the like, also enable usage of communication devices, imaging devices, sensors and the like that use near-infrared light interposing the heat ray shielding film or the heat ray shielding glass, containing a transparent thermoplastic resin, and wherein heat ray shielding fine particles are dispersed in the transparent thermoplastic resin, the heat ray shielding fine particles having elements L, M, tungsten, and oxygen, and a hexagonal crystal structure represented by a general formula (L.sub.AM.sub.B) W.sub.CO.sub.D, wherein the element L is an element selected from K, Rb, Cs, and the element M is one or more elements selected from K, Rb, and Cs and is different from the element L.