Molecular arrangement of rhodamine 6G cations in the films of layered silicates: the effect of the layer charge

Fluorescence resonance energy transfer between two cationic laser dyes in presence of the series of reduced-charge montmorillonites: Effect of the layer charge

“…The adsorption and following aggregation of organic dyes with RCMs has been studied extensively, especially in the presence of cationic dyes such as methylene blue [10], thionine [11], triphenylmethane dyes [12], cyanine dyes [13,14], and rhodamine dyes [15,16]. The results of these studies show that the types and amounts of dye molecular aggregates are controlled by the layer charge density of clay mineral templates.…”

Fluorescence Anisotropy to Study the Preferential Orientation of Fluorophores in Ordered Bi-Dimensional Systems: Rhodamine 6G/Laponite Layered Films

“…Parallel arrangements of clay layers can be obtained by the elaboration of thin films by the spin-coating technique [96]. This parallel stacking of clay layers is confirmed by absorption spectroscopy with linearly polarized light, a well-established polarization technique extensively used to evaluate the orientation of dye molecules in clay films [85,[113][114][115]. Figure 12 shows the absorption spectra of the most dye-diluted R6G/Lap film (0.1% CEC) recorded for horizontal (H) and vertical (V) polarized light as a function of the rotation angle δ of the film around its vertical y-axis (see experimental set-up in Fig.…”

Adsorption of fluorescent R6G dye into organophilic C12TMA laponite films

“…Moreover, the immobilization of photoactive guest molecules with a preferential arrangement in organized nanostructured inorganic networks can lead to a macroscopic alignment of photofunctional molecules with interesting applications in nonlinear optics [1,[9][10][11].…”