"Y.  Zhao,T. Higashihara,K. Sugiyama,A. Hirao","Synthesis of Asymmetric Star-Branched Polymers Having Two Polyacetylene Arms by Means of Living Anionic Polymerization Using 1,1-Diphenylethylene Derivatives",,"Macromolecules",,"Vol. 40","No. 2","pp. 228-238",2007,Jan.
"K. Sugiyama,Y. Karasawa,T. Higashihara,Y. Zhao,A. Hirao","Synthesis of Block Copolymers and Asymmetric Star-Branched Polymers Comprised of Polyacetylene and Polystyrene Segments via Ionic Bond Formation",,"Monatshefte Fuer Chemie",,"Vol. 137","No. 7","pp. 869-880",2006,
"Y. Zhao,T. Higashihara,K. Sugiyama,A. Hirao","Synthesis of Functionalized Asymmetric Star Polymers Containing Conductive Polyacetylene Segments by Living Anionic Polymerization",,"Journal of the American Chemical Society",,"Vol. 127","No. 41","pp. 14158-14159",2005,
"A. Hirao,Y. Karasawa,T. Higashihara,Y. Zhao,K. Sugiyama","Synthesis of Block Copolymers and Star-Branched Polymers Consisting of Conducting Polyacetylene Segments via IonicIinteraction to Form Ionic Bond",,"Designed monomers and polymers",,"Vol. 7","No. 6","pp. 647-660",2004,