A phase-matched flexible PVDF ultrasonic transducer for efficiently powering implantable bioelectronics - Jinlong Sun; Boling Lan; Shenglong Wang; Hongguang Li; Tianpei Xu; Longchao Huang; Peiwen Li; Wei Zhao; Yong Ao; Long Jin; Wei Zhu; Weiqing Yang; et al. (Chemical Engineering Journal, 2026)