NOVELTY - Transferring electrons with a light energy conversion material of a porous material, comprises: absorbing light energy and transferring electrons excited by the light energy to electron acceptor, where the porous material including the electron donor in its skeleton is a silica porous material comprised of silicon atoms chemically bonded with an organic group, and the organic group absorbs light energy and transfers electrons excited by the light energy to the electron acceptor.    USE - The light energy conversion material is useful in photoreduction catalyst for carbon dioxide and hydrogen and a solar battery.    ADVANTAGE - The method provides electrons with improved light energy conversion efficiency and physical stability.    DETAILED DESCRIPTION - Transferring electrons with a light energy conversion material of a porous material, comprises: absorbing light energy and transferring electrons excited by the light energy to electron acceptor, where: the porous material including the electron donor in its skeleton is a silica porous material comprised of silicon atoms chemically bonded with an organic group, and the organic group absorbs light energy and transfers electrons excited by the light energy to the electron acceptor; the organic group is the electron donor and is a molecule comprising 1,1-bi-2-naphthol, 1,3-di(N-carvazolyl)propane (DCzPr), 1,4-di(N-carvazolyl)butane (DCzBu), 1,4-diazabicyclo(2,2,2)octane, 2,3-dihydroxy-naphtol, 2,7-dihydroxynaphthol, 2-naphthol, copper (Cu) (2,9-diphenyl-1,10-phenanthroline)2+, di(N-carvazolyl)methane (DCzMe), meso-2,4-di(N-carvazolyl)pentane (m-DCzPe), magnesium (Mg) (phthalocyanine)4+, N,N,N',N'-tetramethyl-para-phenylenediamine, N,N,N',N'-tetramethylbenzidine, N,N-diethylaniline, N,N-dimethylaniline, N-ethyl-carbazole (EtCz), rhodium (Rh2)(1,3-diisocyanopropane)42+, ruthenium (Ru)(2,2'-bipyridine)32+, tetrakis(dimethylamino)ethylene (TDAE), trans-1,2-di(N-carvazolyl)cyclobutane (DCzCBu), zinc (Zn)(tetra(N-methylpyridinium)porphyrin)4+, Zn porphyrin complex, Zn(tetraphenylporphyrin), Zn(octaethylporphyrin), Zn phthalocyanine complex, anthracene, indene, oxadiazole, oxazole, quadricyclane, diazabicyclooctane, diphenylethylene, triethylamine, triphenylmethane, trimethoxybenzene, naphthalene, norbornadiene, hydrazone, pyrene, phenanthrene, phenothiazine, perylene, methoxynaphthalene or biphenyl; and the light energy conversion material is comprised of a porous material including an electron donor in its skeleton, and an electron acceptor disposed in at least one portion among a pore, the skeleton and the outer circumference of the porous material.