Fig. 4: Device demonstration of using s-BAs for high-performance thermal management.

a Optical image of a light emitting diode (LED) and b schematic illustration of its integration with a thermal interface and heat sink. c Time-dependent infrared images of the LED integrated with different materials (thermal epoxy, silicone thermal pad, and s-BAs), indicating temperature distributions near the hot spot. d Comparison of the LED hot spot temperatures using different thermal interface materials.