A 3-D printed device comprising one or more structures, the structures comprising a plurality of magnetically responsive particles and one or more diblock or triblock copolymers; the diblock or triblock copolymers having an A-B, A-B-A, or A-B-C block-type structure in which the A-blocks and C-blocks are an aromatic-based polymer or an acrylate-based polymer and the B-blocks are an aliphatic-based polymer. These 3-D printed devices may be formed using a method that comprises providing a magnetic ink composition; applying the magnetic ink composition to a substrate in a 3-D solvent cast printing process to form one or more structures; and drying the one or more structures formed from the magnetic ink composition. The dried structures can exhibit one or more regions of magnetic permeability greater than 1.3×10.sup.−6 H/m.

A 3-D printed device comprising one or more structures, the structures comprising a plurality of magnetically responsive particles and one or more diblock or triblock copolymers; the diblock or triblock copolymers having an A-B, A-B-A, or A-B-C block-type structure in which the A-blocks and C-blocks are an aromatic-based polymer or an acrylate-based polymer and the B-blocks are an aliphatic-based polymer. These 3-D printed devices may be formed using a method that comprises providing a magnetic ink composition; applying the magnetic ink composition to a substrate in a 3-D solvent cast printing process to form one or more structures; and drying the one or more structures formed from the magnetic ink composition. The dried structures can exhibit one or more regions of magnetic permeability greater than 1.3×10.sup.−6 H/m.

Disclosed are novel organoborane compositions of Formula (I), (II) or (III), ##STR00001## wherein R.sup.1, R.sup.2, R.sup.3, R′, R″, n, n′, n″, m, m′, and m″ are defined hereinabove. Also disclosed is a method of using said compositions for electrolytic media in lithium rechargeable batteries, including lithium-ion or lithium-air rechargeable batteries. Also disclosed are compositions containing said Formula (I), (II) and (III) compounds with lithium salts, useful as electrolytic media or matrices.

An electrically conductive paste contains (A) metal-coated particles each composed of titanium oxide and a metal coating layer formed on the surface of the titanium oxide and (B) a resin. The titanium oxide has a columnar form having a particle length and a particle shorter diameter and the particle length of the titanium oxide is longer than the particle shorter diameter. Each of the metal-coated particles has a columnar form having a particle length and a particle shorter diameter and the particle length of each of the metal-coated particles is longer than the particle shorter diameter.

A hopping spread-spectrum wireless network for IoT applications operating in a predetermined frequency band, with mobile device that have unsynchronized local frequency references and receiving gateways that are capable of detecting whether modulated radio signals will collide in frequency in a collision time interval, and blanking the signals in the collision time. Preferably, the frequency band is subdivided into a sub-bands, and the mobile devices adapt the width of the sub-bands used for transmission based on a synchronization status indicative of the frequency error of the local frequency reference.

Provided are: a fine particle production method that makes it possible to control the acidity, i.e., a surface property, of fine particles; and fine particles. A fine particle production method in which a raw material powder is used to produce fine particles by means of a gas phase method. The fine particle production method has a step for supplying an organic acid to raw material fine particles. The gas phase method is, for example, a thermal plasma method or a flame method. The fine particles have a surface coating that includes at least a carboxyl group.

The present invention provides a nickel nanowires-containing paste having an adequately high thermal curing rate even under comparatively low temperature, which is excellent in functional properties such as an electrical conductivity, strength properties (in particular, a bending property), a water-resisting property, a salt water-resisting property and electromagnetic-wave shielding properties, from which a cured structure excellent in an electrical conductivity can be obtained even if it is stored for a long time. The present invention relates to a paste comprising nickel nanowires, an alkoxy-alkylated polyamide and a glycol.

The present disclosure relates to a perovskite that includes A.sub.1-xA.sub.xBX.sub.3, where A is a first cation, A is a second cation, B is a third cation, X is a first anion, and 0<1x1. In some embodiments of the present disclosure, the perovskite may further include a second anion (X) such that the perovskite includes A.sub.1-xA.sub.xB(X.sub.1-zX.sub.z).sub.3, where 0<z1. In some embodiments of the present disclosure, the perovskite may further include a fourth cation (A*) such that the perovskite includes A.sub.1-x-yA.sub.xA*.sub.yB(X.sub.1-zX.sub.z).sub.3, where 0<y1. In some embodiments of the present disclosure, the perovskite may further include a fifth cation (B) such that the perovskite includes A.sub.1-x-yA.sub.xA*.sub.yB.sub.1-aB.sub.a(X.sub.1-zX.sub.z).sub.3, where 0<a1.

The present disclosure relates to a perovskite that includes A.sub.1-xA.sub.xBX.sub.3, where A is a first cation, A is a second cation, B is a third cation, X is a first anion, and 0<1x1. In some embodiments of the present disclosure, the perovskite may further include a second anion (X) such that the perovskite includes A.sub.1-xA.sub.xB(X.sub.1-zX.sub.z).sub.3, where 0<z1. In some embodiments of the present disclosure, the perovskite may further include a fourth cation (A*) such that the perovskite includes A.sub.1-x-yA.sub.xA*.sub.yB(X.sub.1-zX.sub.z).sub.3, where 0<y1. In some embodiments of the present disclosure, the perovskite may further include a fifth cation (B) such that the perovskite includes A.sub.1-x-yA.sub.xA*.sub.yB.sub.1-aB.sub.a(X.sub.1-zX.sub.z).sub.3, where 0<a1.

A composite nanomaterial of ZnO impregnated by, e.g., a green copper phthalocyanine compound (CuPc) can be an efficient solar light photocatalyst for water remediation. The composite may include hollow shell microspheres and hollow nanospheres of CuPc-ZnO. CuPc may function as a templating and/or structure modifying agent, e.g., for forming hollow microspheres and/or nanospheres of ZnO particles. The composite can photocatalyze the degradation of organic pollutants such as crystal violet (CV) and 2,4-dichlorophenoxyacetic acid as well as microbes in water under solar light irradiation. The ZnOCuPc composite can be stable and recyclable under solar irradiation.