Figure 2From: Preparation of hollow TiO2 nanoparticles through TiO2 deposition on polystyrene latex particles and characterizations of their structure and photocatalytic activityTEM images of hollow TiO 2 particles. Hollow TiO2 particles obtained by dissolution of PSt by THF (A, sample D) and those by dissolution and preheating of PSt/TiO2 (B, sample HD).Back to article page