Dong, O.S., Duck, H.L., Hyoung, S.M., Seong, J.J., Ju, Y.K., Jeong, H.M., Heesook, C., Soojin, P. and Sang, O.K. (2011) Sub-nanometer level size tuning of a monodisperse nanoparticle array via block copolymer lithography. Ad- vanced Functional Materials, 21, 250-254.