Research Article

Controlled Aspect Ratios of Gold Nanorods in Reduction-Limited Conditions

Table 1

Wavelengths at longitudinal absorption peaks ( ), average lengths ( ), average diameters ( ), and average aspect ratios (AR) for the gold NRs of the samples described in Figures 1 and 2.

Figures a (nm) (nm) (nm)AR

Figures  1(a) and 2(a)0.0074836.610.43.6
Figures  1(b) and 2(b)1.5071436.411.73.2
Figures  1(c) and 2(c)1.7569937.912.93.0
Figures  1(d) and 2(d)2.0068737.813.22.9
Figures  1(e) and 2(e)3.0065336.914.82.5

aGold atomic molar ratio of the growth solution to the seed solution.