"Suzushi Nishimura,W. H. Koo,S. Y. Boo,S. M. Jeong,F. Araoka,K. Ishikawa,T. Toyooka,H. Takezoe","Controlling bucking structure by UV/ozone treatment for light extraction from organic light emitting diodes",,"Organic Electronics: physics, materials, applications",,"Vol. 12","No. 7","pp. 1177-1183",2011,Sept.
"W. H. Koo,F. Araoka,K. Ishikawa,S. M. Jeong,S. Nishimura,T. Toyooka,H. Takezoe","Simultaneous extraction of ITO/organic and substrate waveguide modes from buckled organic light emitting diodes",,"Appl. Phys. Express",,"Vol. 4",,"  032101-1-3",2011,Sept.
"W. H. Koo,S. M. Jeong,S. Nishimura,F. Araoka,K. Ishikawa,T. Toyooka,H. Takezoe","Polarization conversion in surface-plasmon-coupled emission from organic light emitting diodes using spontaneously formed buckles",,"Adv. Mater.",,"Vol. 23",,"  1003-1007",2011,Mar.