1. School of Materials Science and EngineeringEast China University of Science and Technology 130 Meilong Road Shanghai 200237 China
2. Xi'an Institute of Flexible Electronics (IFE)Northwestern Polytechnical University (NPU) 127 West Youyi Road, Xi'an 710072 Shaanxi China
3. Helmholtz Institute Ulm (HIU) Helmholtzstrasse 11 89081 Ulm Germany
4. Karlsruhe Institute of Technology (KIT), P.O. Box 3640 76021 Karlsruhe Germany