Abstract: A method of manufacturing a semiconductor nanoparticle, a semiconductor nanoparticle manufactured thereby, an electronic device including the semiconductor nanoparticle, and a method of manufacturing the electronic device. The method of manufacturing the semiconductor nanoparticle includes: combining, in a medium including an organic solvent, a first semiconductor nanocrystal including silver, a Group 13 element, and a chalcogen element, or a first particle including the first semiconductor nanocrystal; a sulfur precursor; and a gallium precursor; and heating the medium to a reaction temperature to form a second semiconductor nanocrystal including sulfur and gallium on the first semiconductor nanocrystal or the first particle. The method further includes adding an acid compound to the medium, and the acid compound has a dipole moment of greater than or equal to about 2 debye and less than or equal to about 5 debye.

Abstract: An image sensor includes first and second electrode layers, a photocharge generating layer between the first and second electrode layers and configured to generate a photocharge based on absorbing incident light, the photocharge generating layer configured to have a first highest occupied molecular orbital (HOMO) level, a hole transport layer between the first electrode layer and the photocharge generating layer and having a second HOMO level different from the first HOMO level by a difference value that is greater than or equal to a first threshold value, and an electron transport layer between the photocharge generating layer and the second electrode layer. The image sensor causes a pixel current based on the photocharge to flow between the second electrode layer and the first electrode layer, based on a first pixel voltage equal to or greater than a second threshold value being applied to the second electrode layer.

Abstract: A nanoparticle, a method of manufacturing the nanoparticle, a composition including the nanoparticle, a composite including a matrix and a plurality of nanoparticles dispersed in the matrix, a display device including the nanoparticle, and an electronic device including the nanoparticle. The nanoparticle includes a semiconductor nanocrystal including zinc, indium, and selenium. In the semiconductor nanocrystal, a mole ratio of indium to selenium (In:Se) is greater than or equal to about 0.1:1 and less than or equal to about 0.5:1. The nanoparticle does not include cadmium, and the nanoparticle is configured to emit a first light. A peak emission wavelength of the first light is greater than or equal to about 480 nanometers and less than or equal to about 700 nanometers.

Abstract: A semiconductor nanoparticle, a method for manufacturing the semiconductor nanoparticle, an ink composition including the semiconductor nanoparticle, a semiconductor nanoparticle composite including the semiconductor nanoparticle, a display device including the semiconductor nanoparticle, and an electronic device including the semiconductor nanoparticle are provided. In the semiconductor nanoparticle, a mole ratio (Ga/In) of gallium to indium is greater than or equal to about 20:1 and less than or equal to about 40:1, and the semiconductor nanoparticle has a quantum yield of greater than or equal to about 70% and less than or equal to about 100%.

Abstract: A semiconductor nanoparticle, a method of producing the nanoparticle, and an electronic device including the same. The semiconductor nanoparticle includes silver, indium, gallium, and sulfur, where in the semiconductor nanoparticle, a mole ratio of gallium to indium (Ga:In) is greater than or equal to about 6.7:1 and less than or equal to about 40:1, a mole ratio of silver to indium (Ag:In) is greater than or equal to about 5:1 and less than or equal to about 30:1, the semiconductor nanoparticle is configured to emit light, and a full width at half maximum of a luminescent spectrum of the light is greater than or equal to about 10 nm and less than or equal to about 50 nm.

Abstract: Provided is an adduct represented by Formula 1: A.PbY2.Q??(1) wherein A is an organic or inorganic halide, Y is F?, Cl?, Br? or I? as a halogen ion, and Q is a Lewis base including a functional group containing a nitrogen (N), oxygen (O) or sulfur (S) atom with an unshared pair of electrons as an electron pair donor. The Lewis base is maintained more stable in the lead halide adduct. Therefore, the use of the adduct enables the fabrication of a perovskite solar cell with high conversion efficiency.

Abstract: A method for manufacturing an electrode for a fuel cell includes a mixing step of producing a first mixed solution by mixing a carbon support, a metal catalyst, a binder and a first dispersion solvent, a drying step of producing a first mixed solution dried body by drying the first mixed solution, a heat treatment step of heating the first mixed solution dried body, a second mixed solution production step of producing a second mixed solution by dissolving the heat-treated first mixed solution dried body in a second dispersion solvent, and a release paper coating step of producing an electrode by coating the second mixed solution onto a release paper, and then drying the second mixed solution.

Abstract: The present invention relates to a solar cell and a manufacturing method therefor. According to the manufacturing method, a highly efficient perovskite solar cell can be manufactured by inducing a spontaneous formation of a recombination preventing layer using the organic halide and the metal halide at a specific molar ratio.

Abstract: Provided is an adduct represented by Formula 1: A.PbY2.Q??(1) wherein A is an organic or inorganic halide, Y is F?, Cl?, Br? or I? as a halogen ion, and Q is a Lewis base including a functional group containing a nitrogen (N), oxygen (O) or sulfur (S) atom with an unshared pair of electrons as an electron pair donor. The Lewis base is maintained more stable in the lead halide adduct. Therefore, the use of the adduct enables the fabrication of a perovskite solar cell with high conversion efficiency.

Abstract: An electronic device for managing one or more applications is provided. The electronic device includes a display, a location measurement module, a communication interface, a memory configured to store a first application program and a second application program, and a processor, electrically connected to the display, the location measurement module, the communication interface, and the memory, configured to execute the first application program, acquire a location information request from the first application program, and determine whether to respond to the location information request at least partially based on a state of the display or information related to the first application program when the instructions are executed.

Abstract: A method for manufacturing an electrode for a fuel cell includes a mixing step of producing a first mixed solution by mixing a carbon support, a metal catalyst, a binder and a first dispersion solvent, a drying step of producing a first mixed solution dried body by drying the first mixed solution, a heat treatment step of heating the first mixed solution dried body, a second mixed solution production step of producing a second mixed solution by dissolving the heat-treated first mixed solution dried body in a second dispersion solvent, and a release paper coating step of producing an electrode by coating the second mixed solution onto a release paper, and then drying the second mixed solution.

Abstract: An electronic device for managing one or more applications is provided. The electronic device includes a display, a location measurement module, a communication interface, a memory configured to store a first application program and a second application program, and a processor, electrically connected to the display, the location measurement module, the communication interface, and the memory, configured to execute the first application program, acquire a location information request from the first application program, and determine whether to respond to the location information request at least partially based on a state of the display or information related to the first application program when the instructions are executed.

Abstract: A dye-sensitized solar cell including an inorganic dye containing all of Pb, Hg and S as a photo-sensitive dye and a manufacturing method of the same are provided.

Abstract: A dye-sensitized solar cell including an inorganic dye containing all of Pb, Hg and S as a photo-sensitive dye and a manufacturing method of the same are provided.