Simple Controlling Ecofriendly Synthesis of Silver Nanoparticles at Room Temperature Using Lemon Juice Extract and Commercial Rice Vinegar

Figure 7

(a) Photo of as-prepared silver paint, (b) a line of silver paint drawn on an A4 paper (70 gram) using a 0.7 mm rollerball pen, and (c) conductivity test using a line of silver paint as a conductor in a circuit to light an LED.

(a)

(b)

(c)