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Symmetry transitions of polymer-grafted nanoparticles: Grafting density effect
Hongseok Yun, Ji Woong Yu, Young Jun Lee, Jin-Seong Kim, Chan Ho Park, Chongyong Nam, Junghun Han, Tae-Young Heo, Soo-Hyung Choi, Doh C. Lee, Won Bo Lee*, Gila E. Stein*, Bumjoon J. Kim*
Abstract
Experiments and coarse-grained simulations, which group atoms into larger interaction sites, show that denser polymer grafting suppresses overlap between neighboring shells and shifts assembly from an open to a close-packed lattice.