Supplementary Information Significantly enhanced phonon mean free path and thermal conductivity by percolation of silver nanoflowers Daewoo Suh, a Sanghoon Lee, b Chenchen Xu, b Agha Aamir Jan a and Seunghyun Baik* a a School of Mechanical Engineering, Sungkyunkwan University, Suwon 16419, Korea b Department of Energy Science, Sungkyunkwan University, Suwon 16419, Korea *E-mail: sbaik@me.skku.ac.kr Electronic Supplementary Material (ESI) for Physical Chemistry Chemical Physics. This journal is © the Owner Societies 2019