<p> Supporting Information</p><p>Role of the crystallite phase of TiO2 nanoparticles in</p><p> graphene/TiO2 photocatalysis </p><p>HongYu Xiaa, GuangQiang Hea, YuLin Minb, 1, Tao Liua,2, </p><p> aCollege of Chemistry and Chemical Engineering, Anqing Normal University,</p><p>Anqing 246011, P.R.China bCollege of Environmental and Chemical Engineering, ShangHai University of</p><p>Electric Power, ShangHai 200090, P.R.China</p><p>1 Corresponding author. Tel./fax: +86 35304402 ,E-mail address: [email protected](Y L Min) 2 Corresponding author. Tel./fax: +86 0556-5500090 ,E-mail address: [email protected](Tao Liu) Fig. S-1 XRD pattern of pure TiO2 anneal at 500, 600 and 700°C. Fig. S-2 FT-IR spectra of GO and functionalized GO. Fig. S-3 UV spectra of MO and BA. Fig. S-4 (a) Variation of normalized C/C0 for MO with time under UV and visible light irradiation. b) Variation of normalized C/C0 for BA with time under UV and visible light irradiation. Fig. S-5 UV-DRS (a) and Raman (b) spectra of different crystalline</p><p>TiO2/graphene composites. Fig. S-6 PL spectra of pure TiO2 and different crystalline TiO2/graphene composites. </p>