Synthesis and Optoelectronic Characterization of Some Star-Shaped Oligomers with Benzene and Triphenylamine Cores

Figure 2

Absorption (a) and fluorescence (b) spectra of conjugated oligomers with triphenylamine core: D1, D2, D3 in dilute chloroform solution (10⁻⁵M). Emission spectra were obtained upon excitation at the absorption maximum.

(a)

(b)