Research Article

Design and Theoretical Study of D–A–π–A Organic Sensitizers with [1,2,5]Thiadiazolo[3,4-c]pyridine, [1,2,5]Selenadiazolo[3,4-c]pyridine, and [1,2,5]Oxadiazolo[3,4-c]pyridine π Component

Figure 1

Orbital energies diapasons for [1,2,5]oxadiazolo[3,4-c]pyridine (O), [1,2,5]thiadiazolo[3,4-c]pyridine (S), and [1,2,5]selenadiazolo[3,4-c]pyridine (Se) derivatives.