1. M. Hiramoto, M. Kubo, Y. Shinmura, N. Ishiyama, T. Kaji, K. Sakai, T. Ohno, and M. Izaki, Electronics, 3, 351–380 (2014).
2. M. G. Walter, A. B. Rudine, and C. C. Wamser, J. Porphyrins Phthalocyanines, 14, 759–792 (2010).
3. Yuto Tomita, Alternative Transparent Electrodes for Organic Light Emitting Diodes, Dresden (2008).
4. H. Kanno, High-Efficiency Organic Electroluminescent Devices, University of Tokyo, Tokyo (2006).
5. K. M. Kadish, K. M. Smith, and R. Guilard, Handbook of Porhyrin Science with Applications to Chemistry, Physics, Materials Science, Engineering, Biology and Medicine, vol. 6, World Scientific Publishing, Singapore (2010).