Exploration the effect of selenophene moiety and benzothiophene based acceptors on optical nonlinearity of D–π–A based heterocyclic organic compounds in chloroform solvent: a DFT approach - Shafiq, Iqra; Braga, Ataualpa Albert Carmo; Tariq, Zara; Alhokbany, Norah; Chen, Ke (Journal of Molecular Liquids, 2024)