小金属纳米颗粒溶液中的尺寸效应
Size-dependent effects in solutions of small metal nanoparticles
摘要：
提出了一种计算复杂溶液光学性质的新理论方法。它是基于一个介电矩阵，包括小金属夹杂物（小于3纳米）的球形。我们考虑了夹杂物之间的相互作用和量子有限尺寸效应。基于有效介质模型、TDLDA理论和Kohn-Sham理论，得到了该溶液的有效介电常数的解析表达式。
英文摘要：
A new theoretical approach for the calculation of optical properties of complex solutions is proposed. It is based on a dielectric matrix with included small metallic inclusions (less than 3 nm) of spherical shape. We take into account the mutual interactions between the inclusions and the quantum finite-size effects. On the basis of the effective medium model, TDLDA and Kohn-Sham theories, some analytical expressions for the effective dielectric permittivity of the solution are obtained.
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