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Facile production of ultra-fine silicon nanoparticles.


ABSTRACT: A facile procedure for the synthesis of ultra-fine silicon nanoparticles without the need for a Schlenk vacuum line is presented. The process consists of the production of a (HSiO1.5) n sol-gel precursor based on the polycondensation of low-cost trichlorosilane (HSiCl3), followed by its annealing and etching. The obtained materials were thoroughly characterized after each preparation step by electron microscopy, Fourier transform and Raman spectroscopy, X-ray dispersion spectroscopy, diffraction methods and photoluminescence spectroscopy. The data confirm the formation of ultra-fine silicon nanoparticles with controllable average diameters between 1 and 5 nm depending on the etching time.

SUBMITTER: Tokarska K 

PROVIDER: S-EPMC7540795 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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A facile procedure for the synthesis of ultra-fine silicon nanoparticles without the need for a Schlenk vacuum line is presented. The process consists of the production of a (HSiO<sub>1.5</sub>) <i><sub>n</sub></i> sol-gel precursor based on the polycondensation of low-cost trichlorosilane (HSiCl<sub>3</sub>), followed by its annealing and etching. The obtained materials were thoroughly characterized after each preparation step by electron microscopy, Fourier transform and Raman spectroscopy, X-  ...[more]

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