1. Park Y, Luan H, Kwon K, Zhao S, Franklin D, Wang H, Zhao H, Bai W, Kim JU, Lu W, Kim J-H, Huang Y, Zhang Y, Rogers JA, Transformable, freestanding 3d mesostructures based on transient materials and mechanical interlocking. Advanced Functional Materials, 2019, 29: 1903181.