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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】38. Which descriptions below are not correct?
(A) In typical, TiO2 is a n-type semiconductor.
(B) Anatase TiO2 has a direct bandgap and thus is able to emit fluorescence.
(C) There is partial positive charge over the O-deficient sites.
(D) TiO2 can not be dissolved in aqueous acids.
(E) Sol-gel process is one of the methods for synthesizing TiO2.



TiO2 is a very famous semiconductor wide..-阿摩線上測驗