Figure 1 | Scientific Reports

Figure 1

From: Breakdown of Kasha’s Rule in a Ubiquitous, Naturally Occurring, Wide Bandgap Aluminosilicate (Feldspar)

Figure 1The alternative text for this image may have been generated using AI.

Dependence of PL emission on the excitation energy in sample R64. (a) Excitation-energy-dependent emission (EDE) spectra, (b) Normalized curves (by peak intensity) of the data in (a), (c) log10 of the PL peak area plotted as a function of excitation energy. The slope calculated using the natural logarithm of the PL data are also shown, (d) the emission peak of PL spectra plotted as a function of the corresponding excitation energy, demonstrating the excitation-energy-dependent emission (EDE) effect.

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