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- W1884392525 abstract "Meso-tetraalkylporphyrins and their Zn(II) complexes were synthesized and characterized by various spectroscopic techniques. Single crystal X-ray structure of meso-tetrapropylporphyrin (3) revealed the orientation of alkyl chains and planar conformation of porphyrin macrocycle. Spectroscopic, photophysical and electrochemical redox properties of self-assembled donor–acceptor dyads formed by meso-tetraalkylporphyrins and fullerene C 60 were investigated. These studies revealed 1:1 supramolecular dyad formation between the electron donor porphyrins and the electron acceptor, fullerene entities. The determined association constants (K) follow the order: H 2 TMeP (1) > H 2 TEtP (2) > H 2 TPrP (3) > H 2 THexP > H 2 TPP . The effect of alkyl chain length on porphyrin-fullerene complexation was investigated. The redox behavior of self-assembled dyads was investigated in PhCN containing 0.1 M TBAPF 6 as supporting electrolyte. The oxidation potentials of dyads are positively shifted (20–100 mV) as compared to corresponding meso-tetraalkylporphyrins indicating the supramolecular interactions between the constituents in the ground state. The geometric and electronic structure of 1: C 60 was probed by DFT calculations which suggested the possibility of charge transfer from meso-tetraalkylporphyrin to fullerene C 60 ." @default.
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- W1884392525 date "2015-09-01" @default.
- W1884392525 modified "2023-10-16" @default.
- W1884392525 title "Spectral investigations of <i>meso</i>-tetraalkylporphyrin-fullerene host–guest complexes" @default.
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- W1884392525 doi "https://doi.org/10.1142/s1088424615500716" @default.
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