Molecular Crystals and Liquid Crystals p. 253 - 264 (2010)
Update date:2022-07-31
Topics:
Prato
Soombar
Vazquez
Niziol
Gondek
Rau
Kajzar
Chemical synthesis of two C60 fullerene derivatives: with porphyrin (C 60-H2P) and of the iodide salt of Zn porphyrin (C 60-H2P)+I- is described. Both compounds are soluble in several organic solvents, with a larger solubility observed for C60-H2P. Thin films obtained by solution drawing or by spinning techniques from C60-H2P solution in organic solvents or dissolved in a polymer matrix show a peculiar granular structure with regular submicron size particles. Their size of is a little smaller in polymer matrix. The solution UV-Vis absorption spectra exhibit typical bands which can be attributed to porphyrin and to the fullerene. A solvatochromic effect is observed in C 60-H2P which shows a nonzero first hyperpolarizability , most likely due to the charge transfer between fullerene and porphyrin. Copyright Taylor & Francis Group, LLC.
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