Authors: Lizhi Xu; Sarah R Gutbrod; Yinji Ma; Artin Petrossians; Yuhao Liu; R Chad Webb; Jonathan A Fan; Zijian Yang; Renxiao Xu; John J Whalen; James D Weiland; Yonggang Huang; Igor R Efimov; John A Rogers Journal: Adv Mater Date: 2015-01-12 Impact factor: 30.849