Click polymerization and characterization of TiO2 nanoparticles to one-dimensional nanochains

In this paper, one-dimensional TiO 2 nanochains were prepared by polymerization of azide-alkyne click reactions. As   a first step, the TiO 2 nanoparticles (NPs) were esterified with 2-bromopropionic bromide, grafted by atom transfer radical polymerization (ATRP) of styrene, followed by azidation (TiO 2 PS N 3 ). Second, another part of the TiO 2 NPs were modified by propargyl bromide (TiO 2 C CH). By azide-alkyne click reactions between the azide and alkyne-terminated TiO 2 NPs, one-dimensional TiO 2 nanochains linked by polystyrene (PS) was successfully synthesized. The chemical structure of the product was characterized using FTIR, TGA and TEM.