PROBLEM TO BE SOLVED: To provide a visible light responsive photocatalyst material, visible light responsive photocatalyst coating material, visible light responsive photocatalyst body and lighting device, in which a performance of decomposition activity of a photocatalyst can be exerted to a range separated from a surface of the photocatalyst and the performance of the decomposition activity is easily stabilized.SOLUTION: There is provided the visible light responsive photocatalyst material of tungsten trioxide fine particles or consisting essentially of tungsten trioxide fine particles in which activation molecules having an oxidization action are released in an atmosphere by irradiation with visible light.COPYRIGHT: (C)2012,JPO&INPIT【課題】光触媒の分解活性の性能を、光触媒表面から離間された範囲まで及ぼすことができ、分解活性の性能が安定化しやすい可視光応答型光触媒材料、可視光応答型光触媒塗料、可視光応答型光触媒体及び照明装置を提供する。【解決手段】本発明は、三酸化タングステン微粒子又は三酸化タングステン微粒子を主体とし、可視光を照射することにより、酸化作用を有する活性化分子が大気中へ放出されることを特徴とする可視光応答型光触媒材料である。【選択図】図5