Journal
OPTICS EXPRESS
Volume 23, Issue 7, Pages 9329-9338Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.23.009329
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Funding
- EPSRC [EP/K00042X/1, EP/I029141/1, EP/F05999X/1, EP/I012591/1]
- EPSRC [EP/I012591/1, EP/I029141/1, EP/K00042X/1, EP/F05999X/1, EP/H019324/1, EP/M010589/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/F05999X/1, EP/K00042X/1, EP/I012591/1, EP/M010589/1, EP/I029141/1, EP/H019324/1] Funding Source: researchfish
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We report the transfer printing of blue-emitting micron-scale light-emitting diodes (micro-LEDs) onto fused silica and diamond substrates without the use of intermediary adhesion layers. A consistent Van der Waals bond was achieved via liquid capillary action, despite curvature of the LED membranes following release from their native silicon growth substrates. The excellence of diamond as a heat-spreader allowed the printed membrane LEDs to achieve optical power output density of 10 W/cm(2) when operated at a current density of 254 A/cm(2). This high-current-density operation enabled optical data transmission from the LEDs at 400 Mbit/s. (C) 2015 Optical Society of America
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