▎ 摘　　要

NOVELTY - A photocatalyst composition contains graphene oxide as an active ingredient. USE - Photocatalyst composition is used for optical catalyst product e.g. tunnel lamp, traffic sign, soundproof wall, road reflector, building interior, exterior decorative material, sanitary ware, tile, glass, frame, painted steel sheet, neon sign, show window, green house, vinyl house, display, solar cell, vehicle, headlight, glass panel, helmet shield, rearview mirror, contact lenses, health care article, optical lens, endoscope lens, food receptacle and cooker (all claimed). ADVANTAGE - The photocatalyst composition has excellent durability and biocompatibility.