Figure 2 (IMAGE) Shinshu University Caption Schematic illustrations of (a) fabrication process of the hierarchical core-sheath constructed fibers, (b) coaxial electrospinning, (c) reversible phase change process of core material, (d) solar heating effect, (e) Joule heating effect, and (f) various interfacial interactions. Credit REPRINTED WITH PERMISSION FROM ACS NANO 2022, 16, 8, 12801–12812. COPYRIGHT © 2022, AMERICAN CHEMICAL SOCIETY. Usage Restrictions Credit must be given to the creator. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.