Photofunctional material, water-splitting photocatalyst, and method for producing photofunctional material

摘要

PROBLEM TO BE SOLVED: To provide: a new optically functional material responsive to visible light; a water decomposition photocatalyst using the optically functional material; and a new metal complex.SOLUTION: There is provided the optically functional material including a metal complex obtained by reacting a mixture comprising a compound represented by formula (1), and at least one metal salt including at least one metal atom selected from the group consisting of magnesium, aluminum, calcium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, gallium, strontium, yttrium, niobium, molybdenum, ruthenium, palladium, silver, cadmium, barium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, and gold.