Annelated tricyclic thiophenes and their photophysical properties

Abstract

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Donor–acceptor (E)-2-[2-(2,2′-bithiophen-5-yl)vinyl]benzo[d]thiazole: synthesis, optical, electrochemical studies and charge transport characteristics

“…Small molecular chromophores have attracted much attention as active components in organic photonic devices due to their reproducible preparation, easy functionalization, facile purification and high monodispersity. [1][2][3][4][5][6] Donor-acceptor (D-A) typed p-conjugated organic compounds are widely explored as active materials for organic solar cells [7][8][9][10] with the aim to reduce the band gap for broadening the range of absorption. 1,2,11 Moreover, they were shown to have a great potential to get high power conversion efficiency (PCE) and demonstrated good ease of device fabrication.…”