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Article Dans Une Revue Nanoscale Research Letters Année : 2011

On the nature of the stretched exponential photoluminescence decay for silicon nanocrystals

Résumé

The influence of hydrogen rate on optical properties of silicon nanocrystals deposited by sputtering method was studied by means of time-resolved photoluminescence spectroscopy as well as transmission and reflection measurements. It was found that photoluminescence decay is strongly non-single exponential and can be described by the stretched exponential function. It was also shown that effective decay rate probability density function may be recovered by means of Stehfest algorithm. Moreover, it was proposed that the observed broadening of obtained decay rate distributions reflects the disorder in the samples.
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Dates et versions

hal-01139278 , version 1 (03-04-2015)

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G Zatryb, A Podhorodecki, J Misiewicz, J. Cardin, F Gourbilleau. On the nature of the stretched exponential photoluminescence decay for silicon nanocrystals. Nanoscale Research Letters, 2011, 6 (106), pp.1-8. ⟨10.1186/1556-276X-6-106⟩. ⟨hal-01139278⟩
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