1. Frontiers Science Center for Flexible Electronics Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering (IBME) Northwestern Polytechnical University Xi'an 710072 China
2. State Key Laboratory of Solidification Processing School of Materials Science and Engineering Northwestern Polytechnical University 127 West Youyi Road Xi'an 710072 China
3. Teaching and Evaluation Center of Air Force Medical University Xi'an 710032 China
4. The Institute of Flexible Electronics (IFE, Future Technologies) Xiamen University Xiamen 361005, Fujian China