User:Allison K. Alix/Notebook/Thesis Research/2013/06/12: Difference between revisions
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==Calculating AuNP concentration in g/L== | ==Calculating AuNP concentration in g/L== | ||
Volume of 1 AuNP = 4/3πr<sup>3</sup>, where r = d/2 = 19.25nm | |||
V= 4/3π(19.25x10<sup>-9</sup>m)<sup>3</sup> | |||
V= 2.988x10<sup>23</sup>m<sup>3</sup> | |||
V= 2.988x10<sup>17</sup>cm<sup>3</sup> | |||
Revision as of 10:52, 12 June 2013
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AuNP synthesis
Note: These AuNPs will be used in the silica coating procedure. See calculations below. Calculating AuNP diameter and concentrationλspr= 527nm d= [ln(λspr-λ0/L1)]/L2 where λ0= 512nm, L1= 6.53, and L2=0.0216 (These are fit parameters from theoretical calculations1) d= [ln(527nm-512nm/6.53)]/0.0216 d= 38.5nm c = A450/ε450 c = 1.89/(4.36x109) c = 0.43nM Calculating AuNP concentration in g/LVolume of 1 AuNP = 4/3πr3, where r = d/2 = 19.25nm V= 4/3π(19.25x10-9m)3 V= 2.988x1023m3 V= 2.988x1017cm3
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