Figure 7. Left: Absorption- (solid line) and luminescence spectrum (dotted line) of [Ru(bpy)3]2+* (Note that the two features in the luminescence spectrum is due to a failure in the CCD of the spectrometer used).

From

Spectroelectrochemistry of Electrochromic and Electroluminescent Substances with Screen-Printed Electrodes and with an Optically Transparent Platinum Mesh Electrode

Achim Habekost

World Journal of Chemical Education. 2020, 8(2), 71-86 doi:10.12691/wjce-8-2-3