Growth and fabrication of semi-polar InGaN/GaN multi-quantum well light-emitting diodes on microstructured Si (001) substrates |
(a) 4-inch Si (100) wafer with SiO2 mask. (b) Trenches are developed by KOH. (c) MOCVD growth on Si (111) facets. (d) LED layer stack used on Si(111) substrate and patterned Si (100) substrate. |