Accepted Manuscript Mesoporous TiO 2 Nanocrystals as Efficient Photocatalysts: Impact of Calcina- tion Temperatures and Phase Transformations on Photocatalytic Performances M. Faycal Atitar, Adel. A. Ismail, S.A. Al-Sayari, Detlef Bahnemann, D. Afanasev, A.V. Emeline PII: S1385-8947(14)01534-4 DOI: http://dx.doi.org/10.1016/j.cej.2014.11.075 Reference: CEJ 12930 To appear in: Chemical Engineering Journal Received Date: 1 September 2014 Revised Date: 5 November 2014 Accepted Date: 13 November 2014 Please cite this article as: M. Faycal Atitar, l.A. Ismail, S.A. Al-Sayari, D. Bahnemann, D. Afanasev, A.V. Emeline, Mesoporous TiO 2 Nanocrystals as Efficient Photocatalysts: Impact of Calcination Temperatures and Phase Transformations on Photocatalytic Performances, Chemical Engineering Journal (2014), doi: http://dx.doi.org/ 10.1016/j.cej.2014.11.075 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.