title: Interfacial toughening of solution processed Ag nanoparticle thin films by organic residuals.
abstract: Reliable integration of solution processed nanoparticle thin films for next generation low-cost flexible electronics is limited by mechanical damage in the form of delamination and cracking of the films, which has not been investigated quantitatively or systematically. Here, we directly measured the interfacial fracture energy of silver nanoparticle thin films by using double cantilever beam fracture mechanics testing. It was demonstrated that the thermal annealing temperature and period affect the interfacial fracture energy. Also it was found that the interfacial fracture resistance can be maximized with optimized annealing conditions by the formation of organic residual bridges during the annealing process.
authors.affiliation: Department of Mechanical Engineering, KAIST, Daejeon 305-701, Korea.
authors.forename: Inhwa
authors.initials: I
authors.lastname: Lee
authors.forename: Sanghyeok
authors.initials: S
authors.lastname: Kim
authors.forename: Jeonghoon
authors.initials: J
authors.lastname: Yun
authors.forename: Inkyu
authors.initials: I
authors.lastname: Park
authors.forename: Taek-Soo
authors.initials: TS
authors.lastname: Kim