Zhang, J., Zhou, L., Al-Attar, H., Shao, K., Wang, L., Zhu., D., …Monkman, A. (2013). Efficient light-emitting electrochemical cells (LECs) based on ionic iridium(III) complexes with 1,3,4-oxadiazole ligands. Advanced Functional Materials, 23(37), 4667-4677. https://doi.org/10.1002/adfm.201300344