The investigation and applications of antibacterial materials have been widely conducted in recent years due to the damaging effect of harmful bacteria. Stainless steel is widely used in food processing equipment, kitchenware, medical apparatus and daily appliances. Thus the development of stainless steel with excellent antibacterial properties is of great significance. With the aim of improving the antibacterial property of stainless steel, N-doped TiO2 films were prepared on stainless steel by plasma surf...