A composite material for conversion of solar radiation to heat, comprising: - a carrier comprising a side (A) and a side (B), composed of aluminum, an aluminum alloy, copper, electrolytic chromium coated steel (ECCS) or stainless steel, wherein at least the following layers are present on the side (A) of the carrier in the following order: - an adhesion layer composed of chromium, titanium, nickel, molybdenum, tungsten, alloys of two or more of these metals, or a non-ferromagnetic nickel alloy with at least one metal selected from the group consisting of chromium, aluminum, vanadium and copper, having a thickness of 1 to 15 nm, on the carrier, - a protection layer composed of a nitride, a carbide or a carbonitride of a metal or a mixture of two or more metals from subgroups IV, V or VI of the periodic system, on the adhesion layer , - a first absorber layer of a metal compound having a composition (Me r Al 1-r )O x N y C z , wherein Me represents at least one metal selected from titanium, zirconium and hafnium, wherein r is from 0.1 to 1.0, x is from 0 to 1.9, y is from 0 to 0.95, z is from 0 to 0.5 and x + y + z is from 0.5 to 1.9, or a composition (Cr r Al 1-r )O x N y C z , wherein r is from 0.1 to 1.0, x is from 0 to 1.4, y is from 0 to 0.5, z is from 0 to 0.95 and x + y + z is from 0.8 to 1.4, on the protection layer , - a second absorber layer of a metal compound having the composition (Me r Al 1-r )O x N y C z or (Cr r Al 1-r )O x N y C z , as defined for the first absorber layer , on the first absorber layer , provided the composition is different from that in the first absorber layer , and - a dielectric and/or oxidic antireflection and protection layer with a refractive index from 1.8 to 2.5 in the visible wavelength range from 380nm to 780nm, which is selected from the group consisting of ZrO 2 , Y stabilized ZrO 2 , Cr 2 O 3 , Nb 2 O 5 , Si 3 N 4 , Y 2 O 3 ,Ta 2 O 5 , and a mixture of ZrO 2 and Ta 2 O 5 , on the second absorber layer . - a carrier comprising a side (A) and a side (B), composed of aluminum, an aluminum alloy, copper, electrolytic chromium coated steel (ECCS) or stainless steel, - an adhesion layer composed of chromium, titanium, nickel, molybdenum, tungsten, alloys of two or more of these metals, or a non-ferromagnetic nickel alloy with at least one metal selected from the group consisting of chromium, aluminum, vanadium and copper, having a thickness of 1 to 15 nm, on the carrier, - a protection layer composed of a nitride, a carbide or a carbonitride of a metal or a mixture of two or more metals from subgroups IV, V or VI of the periodic system, on the adhesion layer , - a first absorber layer of a metal compound having a composition (Me r Al 1-r )O x N y C z , wherein Me represents at least one metal selected from titanium, zirconium and hafnium, wherein r is from 0.1 to 1.0, x is from 0 to 1.9, y is from 0 to 0.95, z is from 0 to 0.5 and x + y + z is from 0.5 to 1.9, - a second absorber layer of a metal compound having the composition (Me r Al 1-r )O x N y C z or (Cr r Al 1-r )O x N y C z , as defined for the first absorber layer , on the first absorber layer , provided the composition is different from that in the first absorber layer , and - a dielectric and/or oxidic antireflection and protection layer with a refractive index from 1.8 to 2.5 in the visible wavelength range from 380nm to 780nm, which is selected from the group consisting of ZrO 2 , Y stabilized ZrO 2 , Cr 2 O 3 , Nb 2 O 5 , Si 3 N 4 , Y 2 O 3 ,Ta 2 O 5 , and a mixture of ZrO 2 and Ta 2 O 5 , on the second absorber layer . <EOS>