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Dynamic light scattering investigations of nanoparticle aggregation following a light-induced jump
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View: Figures


Image of FIG. 1.
FIG. 1.

Measured as a function of UV exposure time for 1g/l aqueous TPS-triflate solution. All the data are obtained from the same solution, and the UV light is turned off after each exposure time.

Image of FIG. 2.
FIG. 2.

(a) DLS normalized correlation function, , contour plots as a function of . For each plot, the abscissa is the in situ experimental time after UV exposure for the labeled plot and directly above and the ordinate is the logarithm of the correlation time equal scale for each graph. (b) vs time after UV exposure as a function of . The inset is the 5.03 and 5.01 data plotted on a semilog scale with exponential fits as described in the main text.

Image of FIG. 3.
FIG. 3.

Log-normal distributions for 5.06, 5.03, and 4.87 as a function of time after UV exposure. The insets are the standard deviation for each curve as a function of time. Lines are guides. As the quench is increased, the peak values shift to larger . The standard deviation of increases with time at a faster rate at lower . Overall, the aggregate size and distribution increase with time.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Dynamic light scattering investigations of nanoparticle aggregation following a light-induced pH jump