N’guessan, N. K., Bamba, K., Patrice, O. W. and Ziao, N. (2018) “Theoretical Investigation of Structural and Electronic Properties of Ruthenium Azopyridine Complexes Dyes for Photovoltaic Applications by Using DFT and TD-DFT Methods”, European Scientific Journal, ESJ, 14(21), p. 424. doi: 10.19044/esj.2018.v14n21p424.