Journal
OPTICS LETTERS
Volume 37, Issue 18, Pages 3816-3818Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.37.003816
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Funding
- Danish councils for strategic research [09-072118]
- Swedish Energy Agency
- Nordic Energy Research
- Swedish Research Council [2009-5307]
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In the present work, an approach of fabricating pseudoperiodic antireflective subwavelength structures (ARS) on fluorescent SiC by using self-assembled etch mask is demonstrated. By applying the pseudoperiodic (ARS), the average surface reflectance at 6 degrees incidence over the spectral range of 390-785 nm is dramatically suppressed from 20.5% to 1.62%, and the hydrophobic surface with a large contact angle of 98 degrees is also achieved. The angle-resolved photoluminescence study presents a considerable omnidirectional luminescence enhancement with an integral intensity enhancement of 66.3% and a fairly preserved spatial emission pattern. (C) 2012 Optical Society of America
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