sensitizers complexes, their preparation process, inorganic-organic hybrid material that comprises semiconductor and photovoltaic cell comprising this material.

Complex of formula (I) wherein: - E represents one or more groups capable of being chemically grafted to a substrate ceramic semiconductive porous oxide; - S represents a sensitizer group of a semiconductive porous oxide ceramic; - C is a conductive polymer - E is a deconjugating spacer group enabling to electrically isolate the sensitizer (S) of the electronically conductive polymer (C) .Its method preparation.Materiau semiconductor inorganic-organic hybrid PN comprising a porous oxide ceramic substrate to which is chemically grafted a complex of formula (I) .The cell comprising said photovoltaic material.