The present invention relates to an inorganic material comprising particles of three-dimensional ordered macroporous structure comprising spherical pores,said pores having an average pore diameter ranging from 50 nm to 10 μm,the pore diameter varying by no greater than 20%,the surface of said pores being coated by an absorber agent of the visible wavelength spectrum,said particles having an average largest dimension ranging from 1 to 50 μm, and whereinsaid particles are coated with at least a hydrophobic component.The invention further relates to a process for preparing said inorganic material.
