Figure 6. Electroluminescence spectra of the OLEDs with MEH-PPV synthesized in THF (pink) and m-THF (green)

From

Teaching Organic Electronics: The Synthesis of the Conjugated Polymer MEH-PPV in a Hands-on Experiment for Undergraduate Students

Amitabh Banerji, Ann-Kathrin Schönbein, Lena Halbrügge

World Journal of Chemical Education. 2018, 6(1), 54-62 doi:10.12691/wjce-6-1-9