Figure 1 Schematic of the FC UV-LEDs with two kinds of nucleation layer.
Chia-Yu Lee, An-Jye Tzou, Bing-Cheng Lin, Yu-Pin Lan, Ching-Hsueh Chiu, Gou-Chung Chi, Chi-Hsiang Chen, Hao-Chung Kuo, Ray-Ming Lin, Chun-Yen Chang
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Chia-Yu Lee et. al. "Efficiency improvement of GaN-based ultraviolet light-emitting diodes with reactive plasma deposited AlN nucleation layer on patterned sapphire substrate", Nanoscale Research Letters <a rel="nofollow" class="external text" href="https://doi.org/10.1186/1556-276X-9-505">doi:10.1186/1556-276X-9-505</a>