Abstract: For solar cell fabrication, the addition of precursors to printable media to assist etching through silicon nitride or silicon oxide layer thus affording contact with the substance underneath the nitride or oxide layer. The etching mechanism may be by molten ceramics formed in situ, fluoride-based etching, as well as a combination of the two.

Abstract: A conductive ink substantially free of frit and photovoltaic cells having conductive gridlines formed from a conductive ink substantially free of glass frit are described. Conductive inks according embodiments of the present invention are adapted to adhere to the surface of a substrate and, upon firing, form a solid metal oxide phase and cause a conductive species to form an electrical conductor on the substrate. In further embodiments, the conductive ink is capable of penetrating anti-reflection coatings disposed on surfaces of substrates. In accordance with one or more embodiments, the conductive inks include a plurality of metallo-organic components which form a solid metal oxide phase upon firing and a conductive species. In other embodiments, the conductive inks include a plurality of precursors, including one or more precursors which form conductive elements upon firing or heating.

Abstract: A selenium/Group 1b ink comprising, as initial components: a selenium component comprising selenium, an organic chalcogenide component having a formula selected from RZ—Z?R? and R2—SH, a Group 1b component and a liquid carrier; wherein Z and Z? are each independently selected from sulfur, selenium and tellurium; wherein R is selected from H, C1-20 alkyl group, a C6-20 aryl group, a C1-20 alkylhydroxy group, an arylether group and an alkylether group; wherein R? and R2 are selected from a C1-20 alkyl group, a C6-20 aryl group, a C1-20 alkylhydroxy group, an arylether group and an alkylether group; and wherein the selenium/Group 1b ink is a stable dispersion.

Abstract: An ink composition for forming a chalcogenide semiconductor film and a method for forming the same are disclosed. The ink composition includes a solvent, a plurality of metal chalcogenide nanoparticles and at least one selected from the group consisted of metal ions and metal complex ions. The metal ions and/or complex ions are distributed on the surface of the metal chalcogenide nanoparticles and adapted to disperse the metal chalcogenide nanoparticles in the solvent. The metals of the metal chalcogenide nanoparticles, the metal ions and the metal complex ions are selected from a group consisted of group I, group II, group III and group IV elements of periodic table and include all metal elements of a chalcogenide semiconductor material.

Abstract: A selenium/Group Ib/Group 3a ink is provided, comprising, as initial components: (a) a selenium/Group Ib/Group 3a system which comprises a combination of, as initial components: a selenium; an organic chalcogenide component; a Group Ib containing substance; optionally, a bidentate thiol component; a Group 3a containing substance; and, (b) a liquid carrier component; wherein the selenium/Group Ib/Group 3a system is stably dispersed in the liquid carrier component. Also provided are methods of preparing the selenium/Group Ib/Group 3a ink and for using the selenium/Group Ib/Group 3a ink to deposit a selenium/Group Ib/Group 3a material on a substrate for use in the manufacture of a variety of chalcogenide containing semiconductor materials, such as, thin film transistors (TFTs), light emitting diodes (LEDs); and photoresponsive devices (e.g., electrophotography (e.g.

Abstract: The present invention is a solution or colloid of fullerene, SWNTs, or graphene in cyclic terpenes, lactones, terpene-alcohol, fatty-acid alcohols, and lactones following ultrasonication and ultracentrifugation processing, for oil-energy, biological, electrical-thermal applications. The compositions are useful as fuel/oil/grease/gels (synthetic included), oil/fuel/additives/propellants, identification dyes, and heat-transfer fluids. Other functions are phase-change fluids for solar energy power plants, antifreeze, electronic dyes, electrolytic fluid/solvent, electrically-thermally conductive material for electrochemical, dielectric, filler/adhesive for semiconductor, eletro-optical, and liquid crystal substrates/coatings for touch sensitive transmissive or reflective displays. When combined with gelatin the formulations can function as dichroic-optical coatings for thin-films/waveguides/holograms.

Abstract: A selenium ink comprising selenium stably dispersed in a liquid medium is provided, wherein the selenium ink is hydrazine free and hydrazinium free. Also provided are methods of preparing the selenium ink and of using the selenium ink to deposit selenium on a substrate for use in the manufacture of a variety of chalcogenide containing semiconductor materials, such as, thin film transistors (TFTs), light emitting diodes (LEDs); and photo responsive devices (e.g., electrophotography (e.g., laser printers and copiers), rectifiers, photographic exposure meters and photo voltaic cells) and chalcogenide containing phase change memory materials.

Abstract: A method for producing a fine particle dispersion includes the steps of reducing a metal ion to form a fine particle dispersion aqueous solution; adding an aggregation accelerator into the fine particle dispersion aqueous solution so that agglomerated or precipitated fine particles are separated to obtain fine particles; and re-dispersing the fine particles into an organic solvent containing an organic solvent having an amide group, a low boiling point organic solvent having a boiling point between 20° C. and 100° C. at a normal pressure, and an organic solvent having a boiling point higher than 100° C. at a normal pressure and containing an alcohol and/or a polyhydric alcohol.

Abstract: A phase change ink compositions, comprising a novel colorant wax to prevent and/or reduce printhead and nozzle contamination in ink jet printers caused by drooling and faceplate staining. In particular, there is provided novel colorants containing acid groups for use in phase change ink compositions and which are compatible with phase change ink components.

Abstract: A magnetic ink including an organic solvent; an optional dispersant; an optional synergist; an optional antioxidant; an optional viscosity controlling agent; an optional colorant; an optional binder; and a carbon coated magnetic nanoparticle comprising a magnetic core and a carbon shell disposed thereover.

Abstract: High performing nanoparticle compositions suitable for printing, such as by inkjet printing, are provided herein. In particular, there is provided a conductive ink formulation comprising silver nanoparticles which has optimal performance, such as, reduced coffee ring effect, improved adhesion to substrates, and extended printhead de-cap time or latency time. The ink formulation comprises two or more solvents and a resin.

Abstract: An ink contains at least a first solid particle, and a second solid particle formed of a base material of a different main component from that of the first solid particle. The first solid particle and the second solid particle have zeta potentials of the same polarity, or zeta potentials of 0±5 mV. The first and second solid particles in the ink have the same surface property, specifically the same interface property in the ink. This makes it possible to use a common dispersant suited for adsorption on the first and second solid particles. In this way, more than one kind of solid particle can be stably dispersed using a sole kind of dispersant.

Abstract: Disclosed are: a copper metal film which has good adhesion to a substrate, low volume resistivity, and good deep-part metal properties; and a method for producing a copper metal film, wherein the copper metal film can be produced by reducing a substrate to a deep part thereof without damaging the substrate. Specifically disclosed is a copper metal film obtained by treating a copper-based particle deposition layer containing both copper oxides and a metallic transition metal or alloy, or a transition metal complex containing a metal element, with gaseous formic acid and/or formaldehyde heated to 120° C. or higher. The copper oxide is preferably copper (I) oxide and/or copper (II) oxide. The transition metal, alloy or metal complex are preferably a metal selected from the group consisting of Cu, Pd, Pt, Ni, Ag, Au and Rh, an alloy containing the metal, or a complex containing the metal element, respectively.

Abstract: An in situ process for preparing a phase change magnetic ink including combining a phase change ink composition with a reducing agent; wherein the phase change ink composition comprises a carrier, an optional colorant, and an optional dispersant, and wherein the reducing agent has at least one alcohol functionality; heating the combined phase ink composition and reducing agent to a first temperature sufficient to provide a melt composition; adding a metal salt to the melt composition under an inert atmosphere to provide a metal salt-melt composition; heating the metal salt-melt composition to a second temperature sufficient to effect a metal reduction reaction to reduce the metal salt to metal nanoparticles thus forming in situ a phase change magnetic ink including the metal nanoparticles; optionally, filtering the phase change magnetic ink while in a liquid state; cooling the phase change magnetic ink to a solid state.

Abstract: The application relates to quinhydrone (RN=106-34-3) containing sensors (10) for e.g. potentiometric measurements, especially in vivo measurements such as potentiometric pH measurements in wounds. In particular, the application describes methods for preparing crystalline quinhydrone for use as an ink in the manufacture of such sensors. By combining concentrated aqueous solutions of benzoquinone and hydroquinone in the presence of a water soluble polysaccharide derivative, especially hydroxypropyl methyl cellulose (HPMC), crystals of quinhydrone are obtained which are characterised by a low aspect ratio (<2.5). This renders them especially advantageous for use in pH electrodes.

Abstract: Disclosed is a device material for a hole injection transport layer. A fluorine-containing organic compound is attached to the surface of a transition metal-containing nanoparticle or nanocluster which contains at least a transition metal oxide. Also disclosed are a device and an ink for a hole injection transport layer, the device and ink including the device material each, and a method for producing the device.

Abstract: A conductive ink includes carbon nanotubes, ionic liquid, and a solvent, wherein the viscosity of the ink is 0.01 Pa·s to 10000 Pa·s.

Abstract: Described herein are ink compositions suitable for forming conductive films by printing, in particular, by gravure, flexographic, and reverse offset printing.

Abstract: Disclosed are amorphous carbon nanofibers including copper nanoparticles or copper alloy nanoparticles, copper composite nanoparticles prepared by grinding the amorphous carbon nanofibers and implemented as surfaces of Cu-included particles are partially or wholly coated with amorphous carbons, a dispersed solution including the copper composite nanoparticles, and preparation methods thereof and the amorphous carbon nanofibers include nanoparticles including copper, copper nanoparticles or copper alloy nanoparticles, and, the copper composite nanoparticles are implemented as surfaces of Cu-included particles are partially or wholly coated with amorphous carbons.

Abstract: An amorphous transparent conductive film containing as a main component a six oxygen-coordinated metal oxide, and satisfying, in a radial distribution function (RDF) obtained by an X-ray scattering measurement, a relationship of A/B>1, providing that the maximum value of RDF at an interatomic distance of from 0.30 nm to 0.36 nm is A and the maximum value of RDF at an interatomic distance of from 0.36 nm to 0.42 nm is B.

Abstract: Process for producing organoamine-stabilized silver nanoparticles with a molar ratio of silver salt to organoamine of about 1:4 to about 1:10 are disclosed. The process includes: forming a solution including an organic solvent and a first amount of organoamine; adding silver salt particles to the solution; adding a second amount of organoamine to the solution; adding a hydrazine to the solution; and reacting the solution to form an organoamine-stabilized silver nanoparticles.

Abstract: A magnetisable ink suitable for a packing material for forming food packages is disclosed. The ink comprises magnetisable particles; a solvent; and a binder.

Abstract: An ink composition includes an aqueous dispersion of particles of a first material and separate particles of a second material. The first material contains an oxide, sulfide, or selenide of a magnetic metal. The ink is formulated to exhibit, after application to a solid substrate, a degree of metallic luster enhanced by the presence of the second material.

Abstract: This invention relates to ink compositions useful for preparing films of CTS and CZTS and their selenium analogues on a substrate. Such films are useful in the preparation of photovoltaic devices.

Abstract: The present invention relates a composition which is useful in printing an electrical conductor on the front surface of a substrate, such as a solar cell. A phase change binder is used to allow printing of narrow grid lines which also may have adequate height to provide sufficient electrical conduction. The present invention is also directed to a process to print a pattern of the composition.

Abstract: This invention relates to nanoparticles of kesterite (copper zinc tin sulfide) and copper zinc tin selenide nanoparticles, inks and devices thereof, and processes to prepare same. The nano-particles are useful to for the absorber layer as a p-type semiconductor in a thin film solar cell application.

Abstract: A conductive pattern forming ink for forming a conductive pattern on a substrate by a droplet discharge method includes: metal particles; an aqueous dispersion medium in which the metal particles are dispersed; mannitol; and a polyglycerol compound having a polyglycerol skeleton. In the ink, H shown in the following formula (I) is 0.10 to 0.

Abstract: A conductive pattern forming ink for forming a conductive pattern on a substrate by a droplet discharge method includes: metal particles; an aqueous dispersion medium in which the metal particles are dispersed; erythritol; and a polyglycerol compound having a polyglycerol skeleton. In the ink, H shown in the following formula (I) is 0.15 to 0.

Abstract: A conductive pattern forming ink for forming a conductive pattern on a substrate by a droplet discharge method includes: metal particles; an aqueous dispersion medium in which the metal particles are dispersed; sorbitol; and a polyglycerol compound having a polyglycerol skeleton. In the ink, H shown in the following Formula (I) is 0.20 to 0.

Abstract: A display device includes an insulating substrate, barriers surrounding predetermined regions on the insulating substrate, wherein ink composition is supplied in the predetermined regions, the ink composition including a first solvent which remains in a solid state in a temperature range between 10° C. and 30° C., a second solvent which remains in a liquid state in a temperature range between 10° C. and 30° C., and an organic material, and an organic layer formed in the predetermined regions by volatilizing the first solvent and the second solvent. Thus, the present invention provides a display device with an organic layer of regular quality.

Abstract: The present invention provides a metal ink composition, which includes 20 to 80 parts by weight of cupper nano-particle; 10 to 70 parts by weight of non-aqueous organic solvent; and 2 to 20 parts by weight of additive used for adjustment of the dry speed of coated metal ink when metal lines are formed.

Abstract: Laser pyrolysis reactor designs and corresponding reactant inlet nozzles are described to provide desirable particle quenching that is particularly suitable for the synthesis of elemental silicon particles. In particular, the nozzles can have a design to encourage nucleation and quenching with inert gas based on a significant flow of inert gas surrounding the reactant precursor flow and with a large inert entrainment flow effectively surrounding the reactant precursor and quench gas flows. Improved silicon nanoparticle inks are described that has silicon nanoparticles without any surface modification with organic compounds. The silicon ink properties can be engineered for particular printing applications, such as inkjet printing, gravure printing or screen printing. Appropriate processing methods are described to provide flexibility for ink designs without surface modifying the silicon nanoparticles.

Abstract: A conductive pattern forming ink for forming a conductive pattern on a substrate by a droplet discharge method, includes: metal particles; an aqueous dispersion medium in which the metal particles are dispersed; sugar alcohol derived from a disaccharide; and a polyglycerol compound having a polyglycerol skeleton. H shown in the following formula (I) is 0.10 to 0.80.

Abstract: A selenium/Group 3a ink, comprising (a) a selenium/Group 3a complex which comprises a combination of, as initial components: a selenium component comprising selenium; an organic chalcogenide component having a formula selected from RZ—Z?R? and R2—SH; wherein Z and Z? are each independently selected from sulfur, selenium and tellurium; wherein R is selected from H, C1-20 alkyl group, a C6-20 aryl group, a C1-20 hydroxyalkyl group, an arylether group and an alkylether group; wherein R? and R2 are selected from a C1-20 alkyl group, a C6-20 aryl group, a C1-20 hydroxyalkyl group, an arylether group and an alkylether group; and, a Group 3a complex, comprising at least one Group 3a material selected from aluminum, indium, gallium and thallium complexed with a multidentate ligand; and, (b) a liquid carrier; wherein the selenium/Group 3a complex is stably dispersed in the liquid carrier.

Abstract: It is an object of the present invention to provide a conductive ink which enables to form a circuit or the like having excellent adhesion to a substrate and to form a conductor having high film density and low electric resistance. In order to attain the object, a conductive ink comprising metal powder or metal oxide powder dispersed in a dispersion medium, which is characterized in that the dispersion medium contains a metal salt or a metal oxide as a film density improver for increasing film density of a conductor formed by using the conductive ink is adopted. A main solvent constituting the dispersion medium is selected from one or a combination of two or more selected from the group consisting of water, alcohols, glycols and saturated hydrocarbons having a boiling point of 300 deg. C. or less at normal pressure.

Abstract: An electrically responsive ink composition comprising at least one electrically responsive optical-state change material, at least one electrolyte material, at least one solvent, and at least one binder material, wherein the ink composition has a viscosity between about 0.1 centipoise and about 10,000 centipoise, and a maximum optical absorbance in a range from about 200 nanometers to about 800 nanometers; and wherein the ink composition is capable of transforming from a first optical state to a second optical state upon exposure to an electrical stimulus. The electrically responsive ink composition may be used to deposit an electrically responsive coating composition, which may be used as part of an anti-theft system for optical articles. Articles comprising electrically responsive coating compositions are also disclosed, as are methods for activation.

Abstract: A conductive pattern forming ink for forming a conductive pattern on a substrate by a droplet discharge method includes: metal particles; an aqueous dispersion medium in which the metal particles are dispersed; xylitol; and a polyglycerol compound having a polyglycerol skeleton. H shown in the following formula (I) is 0.10 to 0.70, and H = OH ? ( A ) Mw ? ( A ) ? X ? ( A ) + OH ? ( B ) Mw ? ( B ) ? X ? ( B ) Formula ? ? ( I ) OH(A) represents an average number of hydroxyl groups in one molecule of the polyglycerol compound, Mw(A) represents a weight-average molecular weight of the polyglycerol compound, X(A) represents a content of the polyglycerol compound in the conductive pattern forming ink in weight percent; and OH(B) represents the number of hydroxyl groups in one molecule of the xylitol, Mw(B) represents a molecular weight of the xylitol, and X(B) represents a content of the xylitol in the conductive pattern forming ink in weight percent.

Abstract: A silicon solar cell is formed with an N-type silicon layer on a P-type silicon semiconductor substrate. An antireflective and passivation layer is deposited on the N-type silicon layer, and then an aluminum ink composition is printed on the back of the silicon wafer to form the back contact electrode. The back contact electrode is sintered to produce an ohmic contact between the electrode and the P-type silicon layer. The aluminum ink composition may include aluminum powders, a vehicle, an inorganic polymer, and a dispersant. Other electrodes on the solar cell can be produced in a similar manner with the aluminum ink composition.

Abstract: Doped polysilanes, inks containing the same, and methods for their preparation and use are disclosed. The doped polysilane generally has the formula H-[AaHb(DRx)m]q-[(AcHdR1e)n]p—H, where each instance of A is independently Si or Ge, and D is B, P, As or Sb. In preferred embodiments, R is H, -AfHf+1R2f, alkyl, aryl or substituted aryl, and R1 is independently H, halogen, aryl or substituted aryl. In one aspect, the method of making a doped poly(aryl)silane generally includes the steps of combining a doped silane of the formula AaHb+2(DRx)m (optionally further including a silane of the formula AcHd+2R1e) with a catalyst of the formula R4wR5yMXz (or an immobilized derivative thereof) to form a doped poly(aryl)silane, then removing the metal M. In another aspect, the method of making a doped polysilane includes the steps of halogenating a doped polyarylsilane, and reducing the doped halopolysilane with a metal hydride to form the doped polysilane.

Abstract: Provided is a composition including a plurality of multi-metallic nanoparticles each consisting essentially of a core including at least one first metal (Me1) and a continuous shell including atoms of at least one second metal (Me2). Optionally, the continuous shell of Me2 atoms protects the Me1 atoms from oxidation at all temperatures less than 150° C.

Abstract: This disclosure is related to low-haze transparent conductors, ink compositions and method for making the same.

Abstract: Low-cost copper nanoparticle inks that can be annealed onto paper substrate for RFID antenna applications, using substituted dithiocarbonates as stabilizers during copper nanoparticle ink production.

Abstract: Nanoparticle inks which do not require further processing steps after application to a substrate in order to form a conductive or decorative pattern are described. The nanoparticle inks contain metal nanoparticles, one or more humectants, a dispersant and a solvent. Methods for forming the nanoparticle inks include a low energy mixing step and a high energy mixing step in order to form nanoparticle inks with the desired properties. Also described are cartridges comprising the nanoparticle inks which can be installed in standard printers.

Abstract: Compositions for use in ink jet printing onto a substrate comprising a water based dispersion including metallic nanoparticles and appropriate stabilizers. Also disclosed are methods for the production of said compositions and methods for their use in ink jet printing onto suitable substrates.

Abstract: Method and apparatus for printing an image-wise ink pattern on a receiver. A primary imaging member includes a series of substantially equal-sized cells located over the substrate surface thereof. The primary imaging member has an electrically conductive layer. An ink jet printhead selectively ejects drops of ink into the primary imaging member cells in a desired image-wise ink pattern. The image-wise ink on the primary imaging member is fractionated to separate the liquid in the ink. A receiver is transported into operative association with the primary imaging member, and a transfer mechanism applies a pressure between the receiver and the primary imaging member, and establishes an electrostatic field to transfer the image-wise ink pattern to the receiver.

Abstract: Metal nanoink (100) for bonding an electrode of a semiconductor die and an electrode of a substrate and/or bonding an electrode of a semiconductor die and an electrode of another semiconductor die by sintering under pressure is produced by injecting oxygen into an organic solvent (105) in the form of oxygen nanobubbles (125) or oxygen bubbles (121) either before or after metal nanoparticles (101) whose surfaces are coated with a dispersant (102) are mixed into the organic solvent (105). Bumps are formed on the electrode of the semiconductor die and the electrode of the substrate by ejecting microdroplets of the metal nanoink (100) onto the electrodes, the semiconductor die is turned upside down and overlapped in alignment over the substrate, and then, the metal nanoparticles of the bumps are sintered under pressure by pressing and heating the bumps between the electrodes. As a result, generation of voids during sintering under pressure is minimized.

Abstract: Embodiments of a metal oxide intercalated ink-jettable compound are disclosed.

Abstract: Reliable conductive films formed of conductive nanostructures are described. The conductive films have low levels of silver complex ions and show substantially constant sheet resistance following prolonged and intense light exposure.

Abstract: A selenium ink comprising a chemical compound having a formula RZ-Sex-Z?R? stably dispersed in a liquid carrier is provided, wherein the selenium ink is hydrazine free and hydrazinium free. Also provided are methods of preparing the selenium ink and of using the selenium ink to deposit selenium on a substrate for use in the manufacture of a variety of chalcogenide containing semiconductor materials, such as, thin film transistors (TFTs), light emitting diodes (LEDs); and photoresponsive devices (e.g., electrophotography (e.g., laser printers and copiers), rectifiers, photographic exposure meters and photovoltaic cells) and chalcogenide containing phase change memory materials.

Abstract: The present invention relates to solution type silver organo-sol ink for forming electrically conductive patterns. The present invention provides silver organo-sol ink of solution type for forming electrically conductive pattern comprising effective amount of silver aromatic carboxylate and a reactive organic solvents, which can form chelate or complex with silver, are, for example, organic solvents having keton, mercapto, carboxyl, aniline or sulfurous functional group, substituted or unsubstituted. By the present invention, silver organo-sol ink of solution type basically having higher content of silver is obtained. The solution type ink of the present invention can be used for forming conductive patterns in flat panel display such as plasma display panel(PDP) to reduce the numbers of steps for pattern forming drastically.