Table 2: Peak shifts for the surface plasmon absorption band of silver nanoparticles formed by the focused laser irradiation in various kinds of surfactant solutions.

Anionic surfactantCationic surfactant

SampleSDSSDSLCTABCTACTSACDODAC
Wavelength/nm397396401412408409406
Shift/nm −5−6−1+10+6+7+4