Green preparation of flaky silver powders with nano-thickness towards electrically conductive adhesives through a nanofilm transition method

Abstract

Flaky silver powders were prepared through a nanofilm transition method, in which nano-thick silver films were deposited on water-soluble resin coated substrates and then smashed into flaky silver powders with a very smooth and flat surface. The electrically conductive adhesives, filled with 25 wt% flaky silver powders, showed a low resistivity of 4.10 × 10⁻⁵ Ω cm.