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In Situ Silanization Reaction on the Surface of Freshly Prepared Porous Silicon

Li, Hong-Liang ; Fu, Ai-Ping ; Xu, Dong-Sheng ; Guo ; Gui, Lin-Lin ; Tang, You-Qi

Langmuir, 2002-04, Vol.18 (8), p.3198-3202 [Periódico revisado por pares]

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Título:
In Situ Silanization Reaction on the Surface of Freshly Prepared Porous Silicon
Autor: Li, Hong-Liang ; Fu, Ai-Ping ; Xu, Dong-Sheng ; Guo ; Gui, Lin-Lin ; Tang, You-Qi
É parte de: Langmuir, 2002-04, Vol.18 (8), p.3198-3202
Notas: istex:AD7819085F4CFDA4B75108A91859F1E30A84788C
ark:/67375/TPS-S6WPHNL8-M
Descrição: An in situ silanization reaction on the surface of freshly prepared porous silicon (PS) has been achieved at room temperature with a trace of amine as the catalyst. Infrared absorption spectra (FTIR) and X-ray photoelectron spectroscopy measurements show that the silanes are successfully attached to the surface of the PS. The effect of the silanization on the stability and the photoluminescence properties of the PS layer has been studied. A mechanism for the silanization reaction based on the alkalinity of the organic amine has been proposed. A new approach for the modification of the surfaces of PS layers by in situ silanization has been established.
Editor: American Chemical Society
Idioma: Inglês

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