Light-emitting structures of CdS nanocrystals in oxidized macroporous silicon.

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dc.contributor.authorSapelnikova, О.
dc.contributor.authorKarachevtseva, L.
dc.contributor.authorKuchmii, S.
dc.contributor.authorStroyuk, O.
dc.contributor.authorLytvynenko, O.
dc.contributor.authorStronska, O.
dc.contributor.authorBo Wang
dc.contributor.authorKartel, M.
dc.date.accessioned2020-04-05T16:41:15Z
dc.date.available2020-04-05T16:41:15Z
dc.date.issued2016
dc.description.abstractStructured silicon substrates (macroporous silicon) with Si02 nanolayers and CdS nanocrystals were proposed to reduce the flow of electrons and recombination outside the nanoparticle layer. It was found that the,resonance electron scattering in samples with low concentration of Si—0—Si states transforms into ordinary scattering on ionized impurities for samples with high concentration of Si—0—Si states. The maximal intensity of photoluminescence was measured for a structure with maximum strength of the local electric field at the Si—Si02 interface, indicating a significant decrease of non-radiative recombination in CdS nanocoating due to the flow of electrons from the silicon matrix towards the CdS nanocrystal layer. The quantum yield of photoluminescence increases with time due to evaporation of water molecules.uk_UA
dc.identifier.citationLight-emitting structures of CdS nanocrystals in oxidized macroporous silicon / L. Karachevtseva, S. Kuchmii, O. Stroyuk, O. Lytvynenko, O. Sapelnikova // Applied Surface Science : a Journal Devoted to Applied Physics and Chemistry of Surfaces and Interfaces. – 2016. – Vol. 388 (1) – P. 288–293. - Bibliogr. : 25 titl.uk_UA
dc.identifier.issn0169-4332
dc.identifier.urihttps://repositary.knuba.edu.ua/handle/987654321/2244
dc.language.isoenuk_UA
dc.subjectCdS nanocrystalsuk_UA
dc.subjectphotoluminescenceuk_UA
dc.subjectoxidized macroporous siliconuk_UA
dc.subjectкафедра фізикиuk_UA
dc.subject.udc538.935uk_UA
dc.titleLight-emitting structures of CdS nanocrystals in oxidized macroporous silicon.uk_UA
dc.typeArticleuk_UA

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