The assemblies of optically active gold nanoparticles on a functionalized silicon planar substrate were considered in terms of the interface depth density distribution obtained by atomic-force microscopy, X-ray diffraction/reflectometry and neutron reflectometry. Two layers of nanoparticles were sequentially deposited using an additional cross-linking agent. First layer was made of nanoparticles being synthesized in light water while the second one in light/heavy water mixture. The isotope difference in layers observed in the neutron reflectometry experiment was related to water molecules incorporation into the organic shell around nanoparticles. The results are discussed with respect to the possibilities in resolving the structure of complex multilayer assemblies.

根据通过原子力显微镜，X射线衍射/反射法和中子反射法获得的界面深度密度分布，考虑了在官能化的硅平面基板上的光学活性金纳米颗粒的组装体。使用另外的交联剂依次沉积两层纳米颗粒。第一层由在轻水中合成的纳米粒子制成，而第二层由在轻/重水混合物中合成的纳米粒子制成。在中子反射计实验中观察到的各层的同位素差异与水分子结合到纳米颗粒周围的有机壳中有关。关于解决复杂的多层组件的结构的可能性，讨论了结果。