A novel one-pot room-temperature synthesis route to produce very small photoluminescent silicon nanocrystals

Oscar A. Douglas-Gallardo; Maxi A. Burgos-Paci; Rubén Mendoza-Cruz; Karl G. Putnam; M. Josefina Arellano-Jiménez; Miguel José-Yacamán; Marcelo M. Mariscal; Vicente A. Macagno; Cristián G. Sánchez; Manuel A. Pérez

doi:10.1007/s11051-018-4174-x

A novel one-pot room-temperature synthesis route to produce very small photoluminescent silicon nanocrystals

Oscar A. Douglas-Gallardo, Maxi A. Burgos-Paci, Rubén Mendoza-Cruz, Karl G. Putnam, M. Josefina Arellano-Jiménez, Miguel José-Yacamán, Marcelo M. Mariscal, Vicente A. Macagno, Cristián G. Sánchez, Manuel A. Pérez

Research output: Contribution to journal › Article › peer-review

Abstract

A novel strategy to synthesize photoluminescent silicon nanocrystals (SiNCs) from a reaction between tetraethylorthosilicate (TEOS) and trimethyl-hexadecyl-ammonium borohydride (CTABH₄) in organic solvent is presented. The formation reaction occurs spontaneously at room temperature in homogeneous phase. The produced silicon nanocrystals are characterized by using their photoluminescent properties and via HRTEM. In addition, theoretical calculations of the optical absorption spectrum of silicon quantum dots in vacuum with different sizes and surface moieties were performed in order to compare with the experimental findings. The new chemical reaction is simple and can be implemented to produce silicon nanocrystal with regular laboratory materials by performing easy and safe procedures. [Figure not available: see fulltext.].

Original language	English (US)
Article number	85
Journal	Journal of Nanoparticle Research
Volume	20
Issue number	3
DOIs	https://doi.org/10.1007/s11051-018-4174-x
State	Published - Mar 1 2018
Externally published	Yes

Keywords

Colloids
Photoluminescent silicon nanocrystals
Silicon quantum dots
Synthesis

ASJC Scopus subject areas

Bioengineering
Atomic and Molecular Physics, and Optics
General Chemistry
Modeling and Simulation
General Materials Science
Condensed Matter Physics

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Douglas-Gallardo, O. A., Burgos-Paci, M. A., Mendoza-Cruz, R., Putnam, K. G., Josefina Arellano-Jiménez, M., José-Yacamán, M., Mariscal, M. M., Macagno, V. A., Sánchez, C. G., & Pérez, M. A. (2018). A novel one-pot room-temperature synthesis route to produce very small photoluminescent silicon nanocrystals. Journal of Nanoparticle Research, 20(3), Article 85. https://doi.org/10.1007/s11051-018-4174-x

Douglas-Gallardo, OA, Burgos-Paci, MA, Mendoza-Cruz, R, Putnam, KG, Josefina Arellano-Jiménez, M, José-Yacamán, M, Mariscal, MM, Macagno, VA, Sánchez, CG & Pérez, MA 2018, 'A novel one-pot room-temperature synthesis route to produce very small photoluminescent silicon nanocrystals', Journal of Nanoparticle Research, vol. 20, no. 3, 85. https://doi.org/10.1007/s11051-018-4174-x

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abstract = "A novel strategy to synthesize photoluminescent silicon nanocrystals (SiNCs) from a reaction between tetraethylorthosilicate (TEOS) and trimethyl-hexadecyl-ammonium borohydride (CTABH4) in organic solvent is presented. The formation reaction occurs spontaneously at room temperature in homogeneous phase. The produced silicon nanocrystals are characterized by using their photoluminescent properties and via HRTEM. In addition, theoretical calculations of the optical absorption spectrum of silicon quantum dots in vacuum with different sizes and surface moieties were performed in order to compare with the experimental findings. The new chemical reaction is simple and can be implemented to produce silicon nanocrystal with regular laboratory materials by performing easy and safe procedures. [Figure not available: see fulltext.].",

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doi = "10.1007/s11051-018-4174-x",

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AU - Douglas-Gallardo, Oscar A.

AU - Burgos-Paci, Maxi A.

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AU - Putnam, Karl G.

AU - Josefina Arellano-Jiménez, M.

AU - José-Yacamán, Miguel

AU - Mariscal, Marcelo M.

AU - Macagno, Vicente A.

AU - Sánchez, Cristián G.

AU - Pérez, Manuel A.

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AB - A novel strategy to synthesize photoluminescent silicon nanocrystals (SiNCs) from a reaction between tetraethylorthosilicate (TEOS) and trimethyl-hexadecyl-ammonium borohydride (CTABH4) in organic solvent is presented. The formation reaction occurs spontaneously at room temperature in homogeneous phase. The produced silicon nanocrystals are characterized by using their photoluminescent properties and via HRTEM. In addition, theoretical calculations of the optical absorption spectrum of silicon quantum dots in vacuum with different sizes and surface moieties were performed in order to compare with the experimental findings. The new chemical reaction is simple and can be implemented to produce silicon nanocrystal with regular laboratory materials by performing easy and safe procedures. [Figure not available: see fulltext.].

KW - Colloids

KW - Photoluminescent silicon nanocrystals

KW - Silicon quantum dots

KW - Synthesis

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A novel one-pot room-temperature synthesis route to produce very small photoluminescent silicon nanocrystals

Abstract

Keywords

ASJC Scopus subject areas

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