Abstract
This paper reports the gelation and liquid crystal properties of a class of new complexes between zinc and copper bisporphyrin and C 60 derivatives. The bisporphyrins are induced by intramolecular hydrogen bonding to adopt a preorganized ‘U’-shaped conformation and therefore efficiently complex the C 60 derivatives. As a result, the capacity of their mixtures to gelate alkanes is increased notably. The bisporphyrins themselves and their complexes with the C 60 derivatives form the smectic liquid crystal phase. However, the glassy transition temperature of the complexes decreases considerably.
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