Hotra, Z., Stakhira, P., Cherpak, V., Volynyuk, D., Voznyak, L., Gorbulyk, V., & Tsizh, B. (2012). Effect of thickness of CuI hole injection layer on properties of organic light emitting diodes. Photonics Letters of Poland, 4(1), pp. 35–37. https://doi.org/10.4302/photon. lett. pl.v4i1.268