TiO2 is a very famous semiconductor widely applied for photocatalysis and nanotechnology. It has several different
Erystal structures which exhibit certain extent of different properties. Please answer the following group of questions 37-39 about TiO2. 【題組】37. Which options are of Ti2 crystal structures?
(A) perovskite (B) rutile (C) wurtzite (D) anatase (E) brookite