Retrieving "Rhodamine B" from the archives

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1. Photoluminescence

   Linked via "Rhodamine B"

   | Material Class | Typical Excitation Wavelength | Dominant Emission Mechanism | Noteworthy Characteristic |
   | :--- | :--- | :--- | :--- |
   | Organic Dyes (e.g., Rhodamine B) | Visible Blue/Green | Fluorescence | Extremely sensitive to solvent polarity; exhibits bathochromic shifts in high-viscosity media [4]. |
   | Lanthanide Compounds ($\text{Eu}^{3+}, \text{Tb}^{3+}$) | UV | Narrow-band Fluorescence | Emission line sharpness is inversely proportion…