An electrospray device including a chamber, at least one spinneret, a power supplying unit, and a gas supplying unit is provided. A dielectric solution is filled into the spinneret and forms a liquid drop at an exit of the spinneret. The power supplying unit is electrically connected to the spinneret and forms an electric field in the chamber. The gas supplying unit is connected to the chamber for providing gas into the chamber and forming a vortex flow therein. The liquid drop is extracted in the electric field to spray out a plurality of micro liquid drops. The micro liquid drops are dried out and guided via the vortex flow to move in the chamber so as to be solidified into micro particles and gathered in the chamber.一種電噴霧裝置,包括腔體、噴頭、供電單元以及供氣單元。噴頭設置於腔體。介電溶液適於填充於噴頭並於噴頭的出口處形成液滴。供電單元電性連接噴頭並在腔體內形成電場。供氣單元連接腔體以提供氣體注入腔體而產生渦流,其中液滴受電場引出且分散噴射成多個微液滴,渦流導引並帶動微液滴在腔體內移動,並乾燥微液滴使固化為多個微粒而被收集。100‧‧‧電噴霧裝置110‧‧‧腔體112‧‧‧形成槽114‧‧‧傳送管路116‧‧‧收集槽118‧‧‧容器120‧‧‧噴頭130‧‧‧電極組132、134‧‧‧電極140‧‧‧供電單元150‧‧‧供氣單元200‧‧‧介電溶液210‧‧‧液滴220‧‧‧微液滴E1‧‧‧進氣口E2‧‧‧抽氣口
