Display options
Cite
Gongalsky MB, Kargina JV, Cruz JF, et al. Formation of Si/SiO. Front Chem. 2019;7:165doi: 10.3389/fchem.2019.00165.
Gongalsky, M. B., Kargina, J. V., Cruz, J. F., Sánchez-Royo, J. F., Chirvony, V. S., Osminkina, L. A., & Sailor, M. J. (2019). Formation of Si/SiO. Frontiers in chemistry, 7165. https://doi.org/10.3389/fchem.2019.00165
Gongalsky, Maxim B, et al. "Formation of Si/SiO." Frontiers in chemistry vol. 7 (2019): 165. doi: https://doi.org/10.3389/fchem.2019.00165
Gongalsky MB, Kargina JV, Cruz JF, Sánchez-Royo JF, Chirvony VS, Osminkina LA, Sailor MJ. Formation of Si/SiO. Front Chem. 2019 Mar 29;7:165. doi: 10.3389/fchem.2019.00165. eCollection 2019. PMID: 30984738; PMCID: PMC6450366.
Copy Download .nbib Format: NLM
Share it on

Front Chem. 2019 Mar 29;7:165. doi: 10.3389/fchem.2019.00165. eCollection 2019.

Formation of Si/SiO.

Frontiers in chemistry

Maxim B Gongalsky, Julia V Kargina, Jose F Cruz, Juan F Sánchez-Royo, Vladimir S Chirvony, Liubov A Osminkina, Michael J Sailor

Affiliations

  1. Faculty of Physics, Lomonosov Moscow State University, Moscow, Russia.
  2. Department of Chemistry and Biochemistry, University of California, San Diego, San Diego, CA, United States.
  3. Institute of Material Sciences, University of Valencia, Valencia, Spain.
  4. Institute for Biological Instrumentation of Russian Academy of Sciences, Moscow, Russia.

PMID: 30984738 PMCID: PMC6450366 DOI: 10.3389/fchem.2019.00165

Abstract

We propose a rapid, one-pot method to generate photoluminescent (PL) mesoporous silicon nanoparticles (PSiNPs). Typically, mesoporous silicon (meso-PSi) films, obtained by electrochemical etching of monocrystalline silicon substrates, do not display strong PL because the silicon nanocrystals (nc-Si) in the skeleton are generally too large to display quantum confinement effects. Here we describe an improved approach to form photoluminescent PSiNPs from meso-PSi by partial oxidation in aqueous sodium borate (borax) solutions. The borax solution acts to simultaneously oxidize the nc-Si surface and to partially dissolve the oxide product. This results in reduction of the size of the nc-Si core into the quantum confinement regime, and formation of an insulating silicon dioxide (SiO

Keywords: biomedical application; photoluminescence; porous silicon (PS); silicon nanoparticles (SiNPs); theranostics

References

  1. Nat Mater. 2009 Apr;8(4):331-6 - PubMed
  2. Biomaterials. 2009 May;30(15):2873-80 - PubMed
  3. Nanoscale. 2012 Sep 7;4(17):5483-9 - PubMed
  4. Nat Commun. 2013;4:2326 - PubMed
  5. Langmuir. 2015 Jul 28;31(29):8121-8 - PubMed
  6. Nanotechnology. 2017 Mar 10;28(10):105102 - PubMed
  7. Expert Opin Drug Deliv. 2017 Dec;14(12):1407-1422 - PubMed

Publication Types