The effect of laser wavelength on structure of gold nanowire networks

Figures & data

Figure 1. Experimental setup for laser ablation of gold in pure water.

Figure 2. Optical absorption spectra of gold nanowire networks prepared in pure water by laser ablation at (a) 1064 nm, (b) 532 nm, and (c) 355 nm.

Table 1. Variation of intensity ratio ((Intensity of the interband)/(Intensity of plasmon peak)) with laser wavelengths.

Laser wavelength (nm)	Intensity ratio (A265/A525)
1064	1.06
532	1.62
355	1.82

Table 2. Ratio of the absorbance at two wavelengths 800 and 525 nm.

Laser wavelength (nm)	Absorbance ratio (A800 nm/A525 nm)
1064	0.37
532	0.63
355	0.70

Figure 3. Electron micrographs of gold nanowire networks produced by laser ablation at (a) and (b) 1064 nm, (c) and (d) 532 nm, and (e) and (f) 355 nm.

Figure 4. Selected area electron diffraction pattern of gold nanowire networks.