METAL OXIDE NANOPARTICLE INK, METHOD OF PREPARING THE SAME, METAL OXIDE NANOPARTICLE THIN FILM MANUFACTURED USING THE SAME, AND PHOTOELECTRIC DEVICE USING THE SAME
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United States of America Patent
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Jun 1, 2023
app pub date -
Jan 26, 2023
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Oct 1, 2019
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The present disclosure discloses metal oxide nanoparticle ink, a method of preparing the same, a metal oxide nanoparticle thin film manufactured using the same, and a photoelectric device using the same. The method of preparing metal oxide nanoparticle ink according to an embodiment of the present disclosure includes a step of, using a ligand solution including a metal oxide and an organic ligand, synthesizing a first nanoparticle that is a metal oxide nanoparticle surrounded with the organic ligand; a step of preparing a dispersion solution by dispersing the first nanoparticle in a solvent; a step of preparing a second nanoparticle by mixing the dispersion solution and a pH-adjusted alcohol solvent and then performing ultrasonication treatment to remove the organic ligand surrounding the first nanoparticle; and a step of preparing metal oxide nanoparticle ink by dispersing the second nanoparticle in a dispersion solvent.
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