Figure 4
Simulated profiles of the gold nanostructures after gold evaporation and wet etching. Before etching, 40 nm-thick gold film was evaporated 3 times at the angles of θ = 60°, 60°, 60° and φ = 0°, 120°, 240° to the nanosphere. 3 kinds of gold depositions are simulated for wet etching: a–d are for 3D conformal gold deposition, e–h are for non-conformal gold deposition with θc = −10°, and i–l are for non-conformal evaporation with θc = 10°