Synthesis of Gold Nanoparticles
Description of different synthetic approaches for the fabrication of gold nanoparticles.
Since the beginning of recorded history, gold has always held the majestic throne among all the noble metals [1, 2]. It has been known by artisans since the Chalcolithic (Copper) Age and has become a highly coveted metal for coinage, jewelry, and other arts since that time. The first extraction of gold has been dated back to the fifth millennium B.C. in Bulgaria, but “soluble” gold (colloidal gold) first appeared around the fifth century B.C. in Egypt and China [1, 2]. Colloidal gold was used to make ruby glass and to color ceramics. Perhaps the most famous examples are the Lycurgus Cup (manufactured around fifth/fourth century B.C., exhibited in British Museum) and the pigment “Purple of Cassius” (invented by Andreas Cassius, seventeenth century) [1, 2]. But scientific research on gold sol started with Michael Faraday. In 1857, Faraday...
KeywordsGold Nanoparticles Gold Nanorods Gold Nanoshells Surface Plasmon Resonance Absorption Gold Nanowires
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