Analyses of postbuckling in stretchable arrays of nanostructures for wide-band tunable plasmonics

†These authors contributed equally to this study. Analyses of postbuckling in stretchable arrays of nanostructures for wide-band tunable plasmonics Yan Shi1,2,†, Hongying Luo3,4,5,6,7,†, Li Gao8,9,10, Cunfa Gao2, John A. Rogers8,9, Yonggang Huang4,5,6,7 and Yihui Zhang1 1Center for Mechanics and Materials, AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, People’s Republic of China 2State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, People’s Republic of China 3School of Aerospace Engineering and Applied Mechanics, Tongji University, Shanghai 200092, People’s Republic of China 4Department of Civil and Environmental Engineering, 5Department of Mechanical Engineering, 6Center for Engineering and Health, and 7Skin Disease Research Center, Northwestern University, Evanston, IL 60208, USA 8Department of Materials Science and Engineering, Beckman Institute, and 9Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA 10School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, People’s Republic of China