Extinction spectra show that the wavelength of the localized surface plasmon resonance for the Pt nanoisland film would red-shift with the change of their particle size and aspect ratio.

• 我们也量测以石英为基板之试片的消光频谱，我们所制作的铂奈米岛状膜也具有局限表面电浆共振的现象，且其表面电浆共振的波长会随著颗粒尺寸的大小及长宽比而有位移的现象。