Microcontainers with Fluorescent Anisotropic Zeolite L Cores and Isotropic Silica Shells

Abstract
Multicolor fluorescent containers: A silica coating procedure has been devised for the preparation of multifluorescent dye‐loaded zeolite L crystals with luminescent anisotropic cores and isotropic shells. The method comprises a combination of the polyelectrolyte layer‐by‐layer technique and Stöber synthesis (see scheme, TEM image, and fluorescence microscopy images).