Chang, Yuan JayYuan JayChangChow, Tahsin J.Tahsin J.Chow2009-10-282018-07-102009-10-282018-07-102009http://ntur.lib.ntu.edu.tw//handle/246246/172239A series of organic dipolar compounds containing a donor (D), a bridge (B), and an acceptor (A), forming a D-B-A type of dyads, were synthesized by convenient methods and were utilized successfully on dye-sensitized solar cells. The central bridges were made of three linearly connected arylene groups, i.e., phenylenes or thiophenylenes. The donor groups were aromatic amines, i.e., either a diphenylamine or a naphthylphenylamine group. The acceptor group was a cyanoacrylic acid, which can be anchored onto the surface of TiO2 in a photovoltaic device. These devices performed remarkably well, with a typical quantum efficiency of 5-7%, and optimal incident photon to current conversion efficiency (IPCE) exceeding 80%. The devices made with a naphthylphenylamine donor group performed slightly better than those made with a diphenylamine donor group. Compounds containing a phenylene-thiophenylene-phenylene bridge group performed better than those with other kinds of triarylene linkages. Their photochemical behaviors were analyzed by using time-dependent density functional theory (TDDFT) models with the B3LYP functional. © 2009 Elsevier Ltd. All rights reserved.application/pdf623186 bytesapplication/pdfen-USCharge transfer; Dye-sensitized solar cell; Light harvesting; Photovoltaic; Triarylene[SDGs]SDG7acrylic acid derivative; aniline derivative; aromatic amine; benzene derivative; bridged compound; diphenylamine; dye; naphthyl group; organic compound; polycyclic aromatic hydrocarbon derivative; thiophene derivative; titanium dioxide; article; conjugate; density functional theory; device; dipole; molecular model; photochemistry; priority journal; synthesis; timejournal article10.1016/j.tet.2009.04.024http://ntur.lib.ntu.edu.tw/bitstream/246246/172239/1/21.pdf