Gửi tin nhắn: Photocatalytic and electrochemical properties of single‐ and  multi‐layer sub‐stoichiometric titanium oxide coatings prepared by  atmospheric plasma spraying  /Pavel CTIBOR a,* , Ramachandran Chidambaram SESHADRI b , Jiri HENYCH c , Vaclav NEHASIL d , Zdenek PALA a , Jiri KOTLAN