Abstract: Thermoregulated multilayer material characterized in that it comprises at least one substrate and one thermoregulated layer, said thermoregulated multilayer material having: for ? radiation of between 0.25 and 2 ?m, an absorption coefficient ?m?0.8; and, for incident ? radiation of between 7.5 and 10 ?m, a reflection coefficient ?m: ?m?0.85, when the temperature T of said multilayer material 1 is ?100° C.; ?m between 0.3 and 0.85, when the temperature T of said multilayer material is between 0 and 400° C.

Abstract: Thermoregulated multilayer material characterized in that it comprises at least one substrate and one thermoregulated layer, said thermoregulated multilayer material having: for ? radiation of between 0.25 and 2 ?m, an absorption coefficient ?m?0.8; and, for incident ? radiation of between 7.5 and 10 ?m, a reflection coefficient ?m: ?m?0.85, when the temperature T of said multilayer material 1 is ?100° C.; ?m between 0.3 and 0.85, when the temperature T of said multilayer material is between 0 and 400° C.

Abstract: The invention concerns a multilayer material comprising at least: a support having a reflectance R higher than 80% for radiations of wavelengths higher than 5 ?m, a selective layer comprising a combination of Vanadium oxides VO2 and VO2O2n+/?1, with n>1, said selective layer having an absorbance higher than 75% for radiations of wavelengths comprised between 0.4 and 2.5 ?m, regardless of the temperature T, and having, for radiations of wavelengths comprised between 6 and 10 ?m, a transmittance Tr such that: Tr>85% for T<Tc, a critical temperature, 20%?Tr?50% for T>Tc. Application to the production of thermal solar panels having a low stagnation temperature and high performance.

Abstract: The invention concerns a multilayer material comprising at least: a support having a reflectance R higher than 80% for radiations of wavelengths higher than 5 ?m, a selective layer comprising a combination of Vanadium oxides VO2 and VO2O2n+/?1, with n>1, said selective layer having an absorbance higher than 75% for radiations of wavelengths comprised between 0.4 and 2.5 ?m, regardless of the temperature T, and having, for radiations of wavelengths comprised between 6 and 10 ?m, a transmittance Tr such that: Tr>85% for T<Tc, a critical temperature, 20%?Tr?50% for T>Tc. Application to the production of thermal solar panels having a low stagnation temperature and high performance.