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1. Method of production of a photocatalyst that includes (a) preparation of a mixture including titanium and elements or compounds, whereby the elements or compounds include i) at least one metal element of d-block of the periodic table or a compound of a metal element of d-block of the periodic table and ii) at least one metal element of p-block of the periodic table or a compound of a metal element of p-block of the periodic table, (b) treatment of the mixture after the addition of said elements or compounds and (c) obtaining the photocatalyst containing titanium dioxide and at least one metal element of d-block of the periodic table and at least one metal element of p-block of the periodic table, whereby the mixture is prepared from a titanium solution, a solution of a metal element of d-block of the periodic table, the element of d-block within the solution of the metal element of d-block having a concentration within a range of 0.01 M to 0.1 M, and/or a solution of metal element of p-block of the periodic table, the element of p-block within the solution of the metal element of p-block the having a concentration within a range of 0.01 M to 0.1 M.
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