title: Synthesis and optical properties of subphthalocyanine homo- and heterodimers axially connected via a hydroquinone linker.
abstract: Axially linked trifluoroethoxy (TFEO)-coated subphthalocyanine (SubPc) homo- and heterodimers were synthesized by two different axial ligand substitution methods. TFEO-SubPc homodimers were obtained directly from TFEO-SubPc boron chloride with o-, m-, and p-hydroquinones, while TFEO-SubPc heterodimers were synthesized via stepwise construction using a combination of the TFEO method and Torres' triflate method. The optical properties of the dimers obtained were investigated using UV-Vis and fluorescence spectrometry. Electron transfer was observed in the heterodimers, and TFEO-SubPc acted as an electron acceptor in the process. The electron transfer process differs depending on the o-, m-, and p-geometries of the hydroquinone linker, and is supported by computational calculations.
authors.affiliation: Department of Nanopharmaceutical Sciences, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya 466-8555, Japan. nozshiba@nitech.ac.jp.
authors.forename: Satoru
authors.initials: S
authors.lastname: Mori
authors.forename: Naoya
authors.initials: N
authors.lastname: Ogawa
authors.forename: Etsuko
authors.initials: E
authors.lastname: Tokunaga
authors.forename: Norio
authors.initials: N
authors.lastname: Shibata