J. Y. Xu; H. D. Guo; H. Y. Ding; Q. Wang; Z. Q. Tang; Z. J. Li; G. X. Sun. Printable and Recyclable Conductive Ink Based on a Liquid Metal with Excellent Surface Wettability for Flexible Electronics. Acs Applied Materials & Interfaces 2021, 13 (6), 7443-7452. DOI: 10.1021/acsami.0c20549.