The effect of the substrate surface groups on the thermal stability of colloidal crystals formed via heterogeneous nucleation was investigated by observing the melting behavior of the colloidal crystals on three types of substrate: one charged negatively by silanol groups, one with introduced amino groups, and one with introduced quaternary ammonium groups. The degree of particle binding by the substrate in the colloidal dispersion was evaluated in terms of the particle arrangement formed through a dry deposition process that involved drying the dispersion on each substrate. The particle mobility on the substrates was higher in the order of the negatively charged substrate, the substrate with introduced amino groups, and the substrate with introduced quaternary ammonium groups. The melting temperature was measured in terms of the colloidal crystals formed on each substrate and was found to be 40.5 °C on the negatively charged substrate, 46.0 °C on the substrate with introduced amino groups, and 52.4 °C on the substrate with introduced quaternary ammonium groups. The increase in melting temperature was derived from the decrease in the particle mobility on the substrates with introduced positively charging groups, which resulted in an increase in the thermal stability of the colloidal crystalline lattice in relation to the Brownian motion due to the reduction in the particle mobility through the interaction between the negatively charged particles and the substrates.

通过观察胶体晶体在三种基材上的熔化行为，研究了基材表面基团对通过异相成核形成的胶体晶体热稳定性的影响：一种带负电荷的硅烷醇基团，一种引入氨基，一种引入季铵基团。胶体分散体中基材对颗粒的结合程度是根据通过干沉积过程形成的颗粒排列来评估的，该过程涉及干燥每个基材上的分散体。按照带负电荷的底物、引入氨基的底物和引入季铵基团的底物的顺序，底物上的粒子迁移率较高。熔化温度根据在每个基板上形成的胶体晶体进行测量，发现在带负电的基板上为 40.5°C，在引入氨基的基板上为 46.0°C，在引入季铵基的基板上为 52.4°C。铵基团。熔化温度的升高源于引入带正电基团的基板上颗粒迁移率的降低，这导致胶体晶格相对于布朗运动的热稳定性增加，这是由于颗粒的减少通过带负电的粒子和基材之间的相互作用来提高迁移率。在引入季铵基团的基板上 4 °C。熔化温度的升高源于引入带正电基团的基板上颗粒迁移率的降低，这导致胶体晶格相对于布朗运动的热稳定性增加，这是由于颗粒的减少通过带负电的粒子和基材之间的相互作用来提高迁移率。在引入季铵基团的基板上 4 °C。熔化温度的升高源于引入带正电基团的基板上颗粒迁移率的降低，这导致胶体晶格相对于布朗运动的热稳定性增加，这是由于颗粒的减少通过带负电的粒子和基材之间的相互作用来提高迁移率。