Broad band light emission from Ag-ion implanted silicon nanocrystals

Akhilesh K. Singh, Zygmunt Gryczynski, Seong Y. Park, Moon Kim, Arup Neogi

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Silicon nanoparticles formed using low energy (<50 keV) silver ion implantation in crystalline Si exhibit broad band light emission from ultraviolet (UV) to green. The formation of nanoparticles is confirmed using high resolution electron microscopy (HRTEM) and the resulting microscopy is used to obtain the size distribution of Si nanoparticles. Photoluminescence (PL) spectra were observed in the range of the UV to the green. The origin of emission is most likely from highly localized defects at the Si/SiO2 which is further confirmed from Photoluminescence Excitation (PLE) and effective mass theory estimation.

Original languageEnglish
Pages (from-to)1405-1409
Number of pages5
JournalSolid State Communications
Volume151
Issue number20
DOIs
StatePublished - 1 Oct 2011

Fingerprint

Light emission
Silicon
Nanocrystals
light emission
nanocrystals
Ions
Nanoparticles
broadband
nanoparticles
Photoluminescence
silicon
photoluminescence
ions
High resolution electron microscopy
Silver
Ion implantation
ion implantation
electron microscopy
Microscopic examination
silver

Keywords

  • D. Photoluminescence
  • D. Plasmonics
  • D. Silicon photonics
  • E. Ion implantation

Cite this

Singh, Akhilesh K. ; Gryczynski, Zygmunt ; Park, Seong Y. ; Kim, Moon ; Neogi, Arup. / Broad band light emission from Ag-ion implanted silicon nanocrystals. In: Solid State Communications. 2011 ; Vol. 151, No. 20. pp. 1405-1409.
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Broad band light emission from Ag-ion implanted silicon nanocrystals. / Singh, Akhilesh K.; Gryczynski, Zygmunt; Park, Seong Y.; Kim, Moon; Neogi, Arup.

In: Solid State Communications, Vol. 151, No. 20, 01.10.2011, p. 1405-1409.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Broad band light emission from Ag-ion implanted silicon nanocrystals

AU - Singh, Akhilesh K.

AU - Gryczynski, Zygmunt

AU - Park, Seong Y.

AU - Kim, Moon

AU - Neogi, Arup

PY - 2011/10/1

Y1 - 2011/10/1

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AB - Silicon nanoparticles formed using low energy (<50 keV) silver ion implantation in crystalline Si exhibit broad band light emission from ultraviolet (UV) to green. The formation of nanoparticles is confirmed using high resolution electron microscopy (HRTEM) and the resulting microscopy is used to obtain the size distribution of Si nanoparticles. Photoluminescence (PL) spectra were observed in the range of the UV to the green. The origin of emission is most likely from highly localized defects at the Si/SiO2 which is further confirmed from Photoluminescence Excitation (PLE) and effective mass theory estimation.

KW - D. Photoluminescence

KW - D. Plasmonics

KW - D. Silicon photonics

KW - E. Ion implantation

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