Abstract
Highly‐smooth AgNW/alginate film with Rs of 2.5 Ω/sq and transmittance of 86% is achieved by CaCl2 treatment and mechanical pressing. Dipped into CaCl2 solution, the AgNWs are better‐welded, and film adhesion and stability are improved significantly. The OLED employing this composite film as anode presents better performance than ITO device.
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