Lg Chem, Ltd

Taehun Yoon

Seokhyun Yoon

Seokhee Yoon

Jae Hoon Choe

Eunju Park

Hosub Lee

Young Chang Byun

Disclosed herein is a micro-channel reactor formed by placing a planar upper plate and a planar lower plate, each having a channel formed therein, such that the upper plate and the lower plate face each other, wherein the channel includes one or more introduction channels, into which different fluids are introduced respectively, a mixing channel, along which the fluids introduced into the introduction channels flow in a state in which the fluids join each other, and a discharge channel, from which the fluids joining in the mixing channel are discharged, the mixing channel includes a stem channel extending from the introduction channels to the discharge channel and one or more branch channels that diverge from the stem channel and are then interrupted, and, when the fluids are mixed through repetitive diverging and joining, the fluids diverge in upward and downward directions and then join each other in leftward and rightward directions.

Micro-channel reactor

Disclosed are an aggregated precursor for manufacturing a light absorption layer of solar cells comprising a first phase comprising a copper (Cu)-containing chalcogenide and a second phase comprising an indium (In) and/or gallium (Ga)-containing chalcogenide wherein 30% or more aggregated precursors based on the total amount of precursors are divided into particle aggregates comprising first phases and/or second phases, or independent particles having first phases or second phases, in an ink solvent for manufacturing the light absorption layer, and a method of manufacturing the same.

Agglomerated precursor for manufacturing light absorption layer of solar cells and method of manufacturing the same

Disclosed are an ink composition for manufacturing a light absorption layer including metal nano particles and a method of manufacturing a thin film using the same, more particularly, an ink composition for manufacturing a light absorption layer including copper (Cu)-enriched Cu&#x2014;In bimetallic metal nano particles and Group IIIA metal particles including S or Se dispersed in a solvent and a method of manufacturing a thin film using the same.

Ink composition for manufacturing light absorption layer including metal nano particles and method of manufacturing thin film using the same

Disclosed are a method of preparing metal nanoparticles for solar cells, an ink composition including the metal nanoparticles, and a method of preparing a thin film using the same. More particularly, there are provided a method of preparing metal nanoparticles for forming a light absorption layer of a solar cell, including preparing a first solution including a reducing agent, preparing a second solution including at least two salts selected from the group consisting of a copper (Cu) salt, a zinc (Zn) salt, and a tin (Sn) salt, preparing a mixture by mixing the first solution and the second solution, and synthesizing at least one kind of metal nanoparticles by reaction of the mixture and purifying the synthesized metal nanoparticles, an ink composition including the metal nanoparticles, and a method of preparing a thin film using the same.

Method of preparing metal nanoparticles for solar cell, ink composition including the metal nanoparticles, and method of preparing thin film using the same

Disclosed are a method of preparing CI(G)S nano particles forming a light absorption layer of solar cells, including dissolving at least one Group VI source selected from the group consisting of compounds comprising sulfur (S), selenium (Se), or a combination thereof, and an indium (In) salt in a solvent to prepare a first solution, reacting the first solution to form first precursor particles, dissolving a copper (Cu) salt in a solvent to prepare a second solution, mixing the second solution with the first solution in which the first precursor is formed to manufacture a mixture and purifying the synthesized CI(G)S nano particles after synthesizing the CI(G)S nano particles by reacting the mixture, and CI(G)S nano particles manufactured using the same.

Method of manufacturing CI(G)S nano particles for manufacturing light absorption layer and CI(G)S nano particles manufactured using the same

Provided is a process for preparation of a compound containing a group 6A element which includes reaction of at least one compound selected from a group consisting of group IB element containing compounds and group 3 A element containing compounds with a group 6A element containing compound carried out using a reductant in a desirable solvent to produce a compound containing group 1B-6A elements, a compound containing group 3 A-6A elements and/or a compound containing group 1B-3A-6A elements.

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Daejeon, South Korea

Taehun Yoon