Fig. 2: UV-vis and PL spectra of tellurophene and germole derivatives and polymers containing the corresponding units.

a UV-vis spectra of 1, 3, 4, and 6 in THF. b PL spectra of 3 and 6 in THF.

a UV-vis spectra of 1, 3, 4, and 6 in THF. b PL spectra of 3 and 6 in THF.