A gold nanoparticle that is 30 nm in diameter was ... were assembled on a Si substrate that was then capped with a 50-nm-thick oxide layer. A rapid thermal annealing step, using temperatures ...

Gold nanoparticles (AuNPs) are nanoscale particles of gold, typically ranging in size from 1 to 100 nanometers (nm). These nanoparticles exhibit unique physical, chemical, and optical properties that ...

TEM of 100 nm Gold NanoUrchins. Image Credit: Merck Left - UV-VIS spectra of 100 nm Gold NanoUrchins (blue) and 100 nm standard gold nanoparticles (green). Note the red-shift in the SPR-peak. Right - ...