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Issue 9, 2013
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Silanization effect on the photoluminescence characteristics of crystalline and amorphous silicon nanoparticles

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Abstract

Silicon nanoparticles synthesized by two different methods were surface modified with 3-mercaptopropyltrimethoxysilane. The particles of ∼2 nm size exhibit photoluminescence (PL) in the UV-Vis range of the spectrum. The most intense PL band at 430 nm with an emission lifetime of 1–2 ns is attributed to the presence of the surface defects Si–O–Si, generated after anchoring the organic molecule onto the interface. The excitation–emission matrix of this band is essentially independent of the technique of synthesis, crystalline structure, and size of the silicon nanoparticles.

Graphical abstract: Silanization effect on the photoluminescence characteristics of crystalline and amorphous silicon nanoparticles

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Publication details

The article was received on 26 Feb 2013, accepted on 09 May 2013 and first published on 10 May 2013


Article type: Paper
DOI: 10.1039/C3PP50067E
Citation: Photochem. Photobiol. Sci., 2013,12, 1658-1665
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    Silanization effect on the photoluminescence characteristics of crystalline and amorphous silicon nanoparticles

    P. Caregnato, M. L. Dell'Arciprete and M. C. Gonzalez, Photochem. Photobiol. Sci., 2013, 12, 1658
    DOI: 10.1039/C3PP50067E

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