able as a blue shift of the absorption spectrum, initiated at intensities below
the melting intensity, as shown in Fig. 1.9B with open symbols, for liquid
shells between 1 and 4 nm, formed at temperatures below the melting point.
In conclusion, an experiment in which the temperature dependence of the
absorption spectrum of a gold nanoparticle is measured can provide informa-
tion on the melting process of gold nanoparticles, such as liquid shell forma-
tion, and with a simple calculation, we were able to make predictions for the
outcome of such an experiment. Nevertheless, it has to be noted that the
temperature-dependent dielectric functions on which these calculations are
based, are not accurate enough to make quantitative conclusions. The tem-
perature at which liquid-shell formation is initiated can be estimated, since
liquid-shell formation is accompanied by a significant blue shift of the spec-
trum.
able as a blue shift of the absorption spectrum, initiated at intensities below the melting intensity, as shown in Fig. 1.9B with open symbols, for liquid shells between 1 and 4 nm, formed at temperatures below the melting point. In conclusion, an experiment in which the temperature dependence of the absorption spectrum of a gold nanoparticle is measured can provide informa- tion on the melting process of gold nanoparticles, such as liquid shell forma- tion, and with a simple calculation, we were able to make predictions for the outcome of such an experiment. Nevertheless, it has to be noted that the temperature-dependent dielectric functions on which these calculations are based, are not accurate enough to make quantitative conclusions. The tem- perature at which liquid-shell formation is initiated can be estimated, since liquid-shell formation is accompanied by a significant blue shift of the spec- trum.
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