Synthesis and characterization of novel ABA-type azobenzene-containing tri-block copolymers from telechelic polystyrene. - Rajasekhar, Tota; Trinadh, Mummuluri; Sahoo, Rasmita; Dhara, Surajit; Sainath, Annadanam V. Sesha (Designed Monomers & Polymers, 2015)