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Mao et al. Chem Synth 2023;3:26 https://dx.doi.org/10.20517/cs.2022.41 Page 5 of 33
Figure 2. The Drude model for plasmonic materials. (A)-(B) The longitudinal and transverse electrons oscillation; (C) The theoretical
diagram of n-Type Doping strategy and p-Type Doping strategy.
Here, ω is the angular frequency of the incident light. ε is the dielectric constant of the medium. ε is the
1
m
real part of the dielectric constant of NPs. ε is the imaginary part of the dielectric constant of NCs. P is the
2
function of the axis (a is the long axis, and b and c are symmetric). Then the polarization factors are known
as below:
Here, s is the geometric parameter of the NCs and is defined in the equation (4):
