1. Center for Self‐Powered Actuation Department of Biomedical Engineering Hanyang University Seoul 04763 South Korea
2. Research Institute of Industrial Technology Convergence Korea Institute of Industrial Technology Ansan‐si 15588 South Korea
3. Lintec of America Nano‐Science & Technology Center Richardson TX 75081 USA
4. Alan G. MacDiarmid Nano Tech Institute University of Texas at Dallas Richardson TX 75080 USA