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New results on electroluminescence from porous silicon
|Materials Research Society -MRS-:|
Microcrystalline Semiconductors - Material Science and Devices
Pittsburgh/Pa., 1993 (Materials Research Society symposia proceedings 283)
|Materials Research Society (Fall Meeting) <1992, Boston/Mass.>|
|Fraunhofer IFT; 2000 dem IZM eingegliedert|
| Elekrolumineszenz; Halbleiter; Optoelektronik; poröses Silicium|
First results on light emitting diodes in porous silicon were reported in 1991. They showed a quantum efficiency of 10high-7 to 10high-5 and an orange spectrum. Over the last year some progress was achieved: - By applying UV-Iight during the etching blue and green light emitting diodes in porous silicon are fabricated. - When a p/n junction is realized within the porous region, a quantum efficiency of 10high-4 is obtained.