Thiazole as a weak electron-donor unit to lower the frontier orbital energy levels of donor–acceptor alternating conjugated materials

• DOI: 10.1039/c3cc45481a
• Publication Date: 2013-08-30T14:01:32Z
• Authors: Elena Zaborova; Patricia Chávez; Rony Bechara; Patrick Lévêque; Thomas Heiser; Stéphane Méry; Nicolas Leclerc
• Keywords: 01 natural sciences; 0104 chemical sciences

We demonstrate that the substitution of the thiophene by the thiazole heterocyclic compound as a weak electron-donor unit, in donor-acceptor alternating conjugated materials, allows a simultaneous downshift of both HOMO and LUMO levels while keeping the energy bandgap almost unchanged.