Figure 5. Emission spectra of Eu(dmh)3phen complex for different values of pH

From

Structural and Optical Investigation of Novel Europium Hybrid Organic Complex for OLEDs and Solid State Lighting

Dipti Chitnis, N. Thejo Kalyani, S.J. Dhoble

Journal of Materials Physics and Chemistry. 2017, 5(1), 1-10 doi:10.12691/jmpc-5-1-1