Photonic band-gap effects on photoluminescence of silicon nanocrystals embedded in artificial opals

Valenta, J. (author)

Juhasz, R. (author)

Rehspringer, J. L. (author)

Huber, F. (author)

Hirlimann, C. (author)

Cheylan, S. (author)

Elliman, R. G. (author)

(creator_code:org_t)

AIP Publishing, 2003
2003
English.
In: Journal of Applied Physics. - : AIP Publishing. - 0021-8979 .- 1089-7550. ; 93:8, s. 4471-4474

Related links:: https://openresearch...; show more...; https://urn.kb.se/re...; https://doi.org/10.1...; show less...

Abstract Subject headings

Si nanocrystals were formed in synthetic opals by Si-ion implantation and their optical properties studied using microphotoluminescence and reflection techniques. The properties of areas with high crystalline quality are compared with those of disordered regions of samples. The photoluminescence spectrum from Si nanocrystals embedded in silica spheres is narrowed by the inhibition of emission at wavelengths corresponding to the opal photonic pseudoband gap (similar to690 nm). Measurements of photoluminescence spectra from individual implanted silica spheres is also demonstrated and the number of emitting Si nanocrystals in single brightly emitting spheres is estimated to be of the order of one thousand.

By the author/editor: Valenta, J.; Linnros, Jan; Juhasz, R.; Rehspringer, J. ...; Huber, F.; Hirlimann, C.; show more...; Cheylan, S.; Elliman, R. G.; show less...

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