[structure: see text] We successfully synthesized the axially substituted titanium Pc-C(60) dyad with a convenient method that improves on the traditional asymmetrical phthalocyanine routine to covalently linked phthalocyanines with other functional molecules. The intramolecular photoinduced process between phthalocyanine donor and fullerene acceptor was preliminarily studied.
All chemicals were purchased from Aldrich and used without further purification.Organic solvents were purified, dried and distilled under dry argon. The operations for synthesis prior to the termination reaction were carried out under purified argon. The UV/Vis spectral measurements were carried out with a JASCO model V570 DS spectrophotometer. Steady-state fluorescence spectra were measured on a Shimadzu RF-5300 PC spectrofluorophotometer equipped with a photomultiplier tube having high sensitivity in the 700 -800 nm region. The sample for the fluorescence measurement was dissolved in the dry toluene or benzonitrile, filtered, transferred to a long quartz cell, and then capped and bubbled with high pure argon(without O 2 and moisture) for at least 15 minutes before measurement. MALDI-TOF-MS measurements were performed on a Bruker REFLEX III-S (preparation method of sample: the samples were dissolved in dry THF, then mixed 1:1 (0.8 µl each) with a methanol solution of α-cyano-4hydroxycinnamic acid as matrix); Elemental Aanalyses: Carlo-Erba Elemental Analyser
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