In one aspect of the present disclosure, there is provided an antireflective coating composition precursor comprising (a) a first part (A) comprising (i) nanoparticles, (ii) a first acid, (iii) polymer particles and (iv) optionally, at least one rheology modifier compound; (b) a second part (B) comprising (i) a second acid, (ii) at least one metal salt and (iii) optionally, at least one rheology modifier compound. In a further aspect of the present disclosure there is provided a method for coating a substrate, comprising the steps
