▎ 摘 要
NOVELTY - A bipyridine ruthenium complex covalently-functionalized graphene photocatalyst (I) is new. USE - Compound (I) is used for photocatalytic decomposition of water to produce hydrogen. ADVANTAGE - The photocatalyst has good stability. DETAILED DESCRIPTION - A bipyridine ruthenium complex covalently-functionalized graphene photocatalyst of formula (I) is new. R=-H,-COOH,-SO3H or -OCH3. An INDEPENDENT CLAIM is included for preparation of compound (I).