1999
DOI: 10.1016/s0022-2313(99)00012-5
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Evolution of the porous silicon sample properties in the atmospheric ambient

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Cited by 8 publications
(9 citation statements)
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“…These compounds are the PL sensitizers in PS [12,13]. According to the supposition of [10], the interaction of PS with oxygen takes place preferentially near the surface of porous layer when storing the sample in the air. After a prolonged contact with the atmosphere, an emitting layer is formed in the near-surface region.…”
Section: Resultsmentioning
confidence: 99%
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“…These compounds are the PL sensitizers in PS [12,13]. According to the supposition of [10], the interaction of PS with oxygen takes place preferentially near the surface of porous layer when storing the sample in the air. After a prolonged contact with the atmosphere, an emitting layer is formed in the near-surface region.…”
Section: Resultsmentioning
confidence: 99%
“…In principle, this correlates with the most of data for the PL intensity behaviour when ageing a PS sample in the air (see, e.g., [3,4,6,9,11]). The causes for the rise of PS PL intensity in the air are associated with the atmospheric oxidation of the nanostructure [10]: increase of the sensitizer mass (which is the Si oxide for UV region of excitation [12]), effective saturation of the silicon dangling bonds (nonradiative recombination cen- ters [2]) by oxygen, and the nanostructure modification due to the oxidation. For the reference sample which was stored in the dark, a monotonous increase of PL intensity is documented as well, but it was significantly slower than that for the laser-illuminated sample.…”
Section: Resultsmentioning
confidence: 99%
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“…Освещение поверхности видимым или УФ све-том ускоряет ее окисление, что приводит к па-данию интенсивности ФЛ [22]. При выдержи-вании ПК на воздухе и дневном освещении интенсивность ФЛ возрастает [23], причем с большей скоростью, чем для образцов, кото-рые находились в темноте. Имеются сведения [24] о химическом окислении ПК с помощью Н 2 О 2 или HNO 3 .…”
Section: 1окислениеunclassified