An inorganic-organic hybrid oxide polymer is provided. The polymer consists of an inorganic molecular cluster MxNyOz and an organic molecular polymer cluster OG, wherein the inorganic molecular cluster MxNyOz consists of a hybrid oxidation based on a first element M and a second element N and has a molecular formula MxNyOz , wherein x=0.01 ̃0.99, y=0.01 ̃0.99, z/(x+y)=0.01 ̃3.99, and the inorganic molecular cluster MxNyOz has a plurality of voids having an averaged characteristic dimension in a range between 0.2 nm ̃30 nm and filled with the organic molecular polymer cluster OG, wherein the first element M and the second element N are respectively selected from a group consisting of an intermediate element, a metal element, a semiconductor element and a combination thereof and the first element M is different from the second element N. |