REFERENCES
1. Kang, M. H.; Lee, G. J.; Lee, J. H.; et al. Outdoor-useable, wireless/battery-free patch-type tissue oximeter with radiative cooling. Adv. Sci. 2021, 8, 2004885.
2. Xu, J.; Chen, X.; Li, S.; et al. On-skin epidermal electronics for next-generation health management. Nano-Micro. Lett. 2025, 18, 25.
3. Li, J.; Yang, P.; Li, X.; et al. Ultrathin smart energy-storage devices for skin-interfaced wearable electronics. ACS. Energy. Lett. 2022, 8, 1-8.
4. Zarei, M.; Lee, G.; Lee, S. G.; Cho, K. Advances in biodegradable electronic skin: material progress and recent applications in sensing, robotics, and human-machine interfaces. Adv. Mater. 2022, 35, 2203193.
5. Mao, P.; Li, H.; Yu, Z. A review of skin-wearable sensors for non-invasive health monitoring applications. Sensors 2023, 23, 3673.
6. Zhang, B.; Li, J.; Zhou, J.; et al. A three-dimensional liquid diode for soft, integrated permeable electronics. Nature 2024, 628, 84-92.
7. Mohammadi, M.; Shang, J.; Li, Y.; et al. Miniaturized soft and stretchable multilayer circuits through laser-defined high aspect-ratio printing. Small 2025, 21, 2501175.
8. Yang, X.; Chen, W.; Fan, Q.; et al. Electronic skin for health monitoring systems: properties, functions, and applications. Adv. Mater. 2024, 36, 2402542.
9. Mahato, K.; Saha, T.; Ding, S.; Sandhu, S. S.; Chang, A.; Wang, J. Hybrid multimodal wearable sensors for comprehensive health monitoring. Nat. Electron. 2024, 7, 735-50.
10. Matsumura, G.; Honda, S.; Kikuchi, T.; et al. Real-time personal healthcare data analysis using edge computing for multimodal wearable sensors. Device 2025, 3, 100597.
11. Song, Y.; Tay, R. Y.; Li, J.; et al. 3D-printed epifluidic electronic skin for machine learning-powered multimodal health surveillance. Sci. Adv. 2023, 9, eadi6492.
12. Yun, J. Recent progress in thermal management for flexible/wearable devices. Soft. Sci. 2023, 3, 12.
13. Yoo, S.; Yang, T.; Park, M.; et al. Responsive materials and mechanisms as thermal safety systems for skin-interfaced electronic devices. Nat. Commun. 2023, 14, 1024.
14. Li, J.; Fu, Y.; Zhou, J.; et al. Ultrathin, soft, radiative cooling interfaces for advanced thermal management in skin electronics. Sci. Adv. 2023, 9, eadg1837.
15. Yu, H.; Zhang, S.; Lian, Y.; et al. Electronic textile with passive thermal management for outdoor health monitoring. Adv. Fiber. Mater. 2024, 6, 1241-52.
16. Hyeon, C.; Jeong, M.; Kwon, S.; et al. Thermal protection of wearable devices under outdoor conditions using radiative cooling films. Opt. Mater. 2025, 167, 117258.
17. Kim, H.; Yoo, Y. J.; Yun, J. H.; Heo, S. Y.; Song, Y. M.; Yeo, W. H. Outdoor worker stress monitoring electronics with nanofabric radiative cooler-based thermal management. Adv. Healthc. Mater. 2023, 12, 2301104.
18. Xie, F.; Jin, W.; Nolen, J. R.; et al. Subambient daytime radiative cooling of vertical surfaces. Science 2024, 386, 788-94.
19. Kousis, I.; Pisello, A. L. Toward the scaling up of daytime radiative coolers: a review. Adv. Opt. Mater. 2023, 11, 2300123.
20. Xie, A. Q.; Qiu, H.; Jiang, W.; et al. Recent advances in spectrally selective daytime radiative cooling materials. Nano-Micro. Lett. 2025, 17, 264.
21. Dong, J.; Peng, Y.; Zhang, Y.; et al. Superelastic radiative cooling metafabric for comfortable epidermal electrophysiological monitoring. Nano-Micro. Lett. 2023, 15, 181.
22. Li, X.; Xie, Z.; Chen, B.; et al. Transparent radiative cooler with high thermal conductivity for heat dissipation in electronic devices. Cell. Rep. Phys. Sci. 2025, 6, 102505.
23. Peng, Y.; Dong, J.; Zhang, Y.; et al. Thermally comfortable epidermal bioelectrodes based on ultrastretchable and passive radiative cooling e-textiles. Nano. Energy. 2024, 120, 109143.
24. Jung, Y.; Kim, M.; Jeong, S.; Hong, S.; Ko, S. H. Strain-insensitive outdoor wearable electronics by thermally robust nanofibrous radiative cooler. ACS. Nano. 2024, 18, 2312-24.
25. Dhumal, A. R.; Kulkarni, A. P.; Ambhore, N. H. A comprehensive review on thermal management of electronic devices. J. Eng. Appl. Sci. 2023, 70, 140.
26. Zhu, Y.; Li, J.; Kim, J.; et al. Skin-interfaced electronics: a promising and intelligent paradigm for personalized healthcare. Biomaterials 2023, 296, 122075.
27. Choi, J.; Dun, C.; Forsythe, C.; Gordon, M. P.; Urban, J. J. Lightweight wearable thermoelectric cooler with rationally designed flexible heatsink consisting of phase-change material/graphite/silicone elastomer. J. Mater. Chem. A. 2021, 9, 15696-703.
28. Chen, H.; Ding, Y.; Zhu, G.; et al. A new route to fabricate flexible, breathable composites with advanced thermal management capability for wearable electronics. npj. Flex. Electron. 2023, 7, 24.
29. Li, X.; Lin, J.; Wu, J.; et al. Stretchable and leakage-free liquid metal networks for thermal management. Adv. Funct. Mater. 2025, 35, 2420839.
30. Kim, S.; Kang, J.; Lee, I.; et al. An intrinsically stretchable multi-biochemical sensor for sweat analysis using photo-patternable ecoflex. npj. Flex. Electron. 2023, 7, 33.
31. Wang, H.; Zhao, Z.; Liu, P.; Guo, X. A soft and stretchable electronics using laser-induced graphene on polyimide/PDMS composite substrate. npj. Flex. Electron. 2022, 6, 26.
32. Zhu, H.; Wu, S.; Tang, R.; et al. DIW-printed thermal management PDMS composites with 3D structural thermal conductive network of h-BN platelets and Al2O3 nanoparticles. Polymers 2024, 16, 1491.
33. Zhang, X.; Song, J.; Meng, J.; Zhang, K. Anisotropic PDMS/Alumina/Carbon fiber composites with a high thermal conductivity and an electromagnetic interference shielding performance. Materials 2022, 15, 8078.
34. Bartlett, M. D.; Kazem, N.; Powell-palm, M. J.; et al. High thermal conductivity in soft elastomers with elongated liquid metal inclusions. Proc. Natl. Acad. Sci. U.S.A. 2017, 114, 2143-8.
35. Xu, Y.; Su, Y.; Xu, X.; et al. Porous liquid metal-elastomer composites with high leakage resistance and antimicrobial property for skin-interfaced bioelectronics. Sci. Adv. 2023, 9, eadf0575.
36. Yang, X.; Liu, H.; Pan, T.; Li, B.; Chu, J. Highly foldable and leakage-free electrodes enabled by ultrathin liquid metal micromeshes. npj. Flex. Electron. 2025, 10, 10.
37. Song, J.; Seo, J.; Han, J.; Lee, J.; Lee, B. J. Ultrahigh emissivity of grating-patterned PDMS film from 8 to 13 μm wavelength regime. Appl. Phys. Lett. 2020, 117, 094101.
38. Kim, J.; Kang, D.; Kwak, M. S.; et al. Ultrathin soft wearable sensor materials and structures: a review of current trends and prospectives. ACS. Appl. Mater. Interfaces. 2025, 17, 59994-60027.
39. Liu, M.; Sun, J.; Sun, Z.; et al. A review of microfluidic technologies for thermal management in flexible electronics. Lab. Chip. 2026, 26, 1417-43.
40. Li, J.; Zhou, Y.; Jiang, C.; Lei, D.; Yu, X. Recent advances in passive cooling materials for thermal management in flexible electronics. J. Mater. Chem. C. 2024, 12, 12179-206.
41. Kim, K. B.; Baek, H. J. Photoplethysmography in wearable devices: a comprehensive review of technological advances, current challenges, and future directions. Electronics 2023, 12, 2923.
42. Kazem, N.; Hellebrekers, T.; Majidi, C. Soft multifunctional composites and emulsions with liquid metals. Adv. Mater. 2017, 29, 1605985.
43. Haque, A. B. M. T.; Tutika, R.; Byrum, R. L.; Bartlett, M. D. Programmable liquid metal microstructures for multifunctional soft thermal composites. Adv. Funct. Mater. 2020, 30, 2000832.
44. Chen, J.; Wang, J.; Wang, S.; et al. High-stretchable and thermally conductive elastomeric composites for heat dissipation in flexible electronics. ACS. Appl. Polym. Mater. 2025, 7, 1784-94.
45. Lee, G. H.; Kang, H.; Chung, J. W.; et al. Stretchable PPG sensor with light polarization for physical activity-permissible monitoring. Sci. Adv. 2022, 8, eabm3622.
