Yuthana TantirungrotechaiAtchara WijitkosoomSomsak TonmunpheanMahidol UniversityChulalongkorn University2018-07-242018-07-242002-12-05Chemistry Letters. No.12 (2002), 1184-1185036670222-s2.0-0037028345https://repository.li.mahidol.ac.th/handle/20.500.14594/20118The transmission function T(E), which describes the conduction in molecule, and the density of state (DOS) of the helical p-phenylene sulfide oligomer and of the fused-planar benzothiophene oligomer were calculated by using the non-equilibrium Green's function formalism. Although both the oligomers consist of benzene-(1,4)-dithiolate subunit, they have different T(E) and DOS near the Fermi level. The effect of replacing a sulfur atom inside the oligomer by an oxygen atom was additionally investigated.Mahidol UniversityChemistryArticleSCOPUS10.1246/cl.2002.1184