The present invention relates to rice ear-shaped copper particles, and the subject matter are: a method for preparing rice ear-shaped copper particles; rice ear-shaped copper particles prepared thereby; and a conductive paste using the same, the method comprising: a first step of preparing a copper precursor solution; a second step of adjusting the pH of the copper precursor solution; a third step of adding a zinc powder to the pH-adjusted copper precursor solution; a fourth step of synthesizing rice ear-shaped copper particles by stirring the copper precursor solution, to which zinc powder was added, for a predetermined time; and a fifth step of separating, washing, and then drying the synthesized rice ear-shaped copper particles.
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