Corrigendum to "Investigations into structure-property relationships of novel Ru(II) dyes with N, N′-Diethyl group in ancillary ligand for dye-sensitized solar cells" [Dyes Pigments 171(2019) 107754–107762]. (February 2020) - Ashraf, Saba; Su, Rui; Akhtar, Javeed; Siddiqi, Humaira M.; Shuja, Ahmed; Al-Saad, Khalid A.; Al-Qaradawi, Siham Y.; El-Shafei, Ahmed