Synthesis of Nitrogen and Sulfur Co-doped Carbon Dots from Garlic for Selective Detection of Fe3+

Chun Sun, Yu Zhang, Peng Wang, Yue Yang, Yu Wang, Jian Xu, Yiding Wang, William W. Yu

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

Garlic was used as a green source to synthesize carbon dots (CDs) with a systematic study of the optical and structure properties. Ethylenediamine was added into the synthesis to improve the photoluminescence quantum yield (PL QY) of the CDs. Detailed structural and composition studies demonstrated that the content of N and the formation of C–N and C=N were critical to improve the PL QY. The as-synthesized CDs exhibited excellent stability in a wide pH range and high NaCl concentrations, rendering them applicable in complicated and harsh conditions. Quenching the fluorescence of the CDs in the presence of Fe3+ ion made these CDs a luminescent probe for selective detection of Fe3+ ion.

Original languageEnglish (US)
Article number110
Pages (from-to)1-9
Number of pages9
JournalNanoscale Research Letters
Volume11
Issue number1
DOIs
StatePublished - Dec 1 2016

Fingerprint

Sulfur
Nitrogen
sulfur
Carbon
nitrogen
carbon
synthesis
ethylenediamine
Quantum yield
Photoluminescence
Ions
photoluminescence
Quenching
ions
Fluorescence
quenching
optical properties
fluorescence
probes
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Sun, Chun ; Zhang, Yu ; Wang, Peng ; Yang, Yue ; Wang, Yu ; Xu, Jian ; Wang, Yiding ; Yu, William W. / Synthesis of Nitrogen and Sulfur Co-doped Carbon Dots from Garlic for Selective Detection of Fe3+. In: Nanoscale Research Letters. 2016 ; Vol. 11, No. 1. pp. 1-9.
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Synthesis of Nitrogen and Sulfur Co-doped Carbon Dots from Garlic for Selective Detection of Fe3+. / Sun, Chun; Zhang, Yu; Wang, Peng; Yang, Yue; Wang, Yu; Xu, Jian; Wang, Yiding; Yu, William W.

In: Nanoscale Research Letters, Vol. 11, No. 1, 110, 01.12.2016, p. 1-9.

Research output: Contribution to journalArticle

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AU - Yu, William W.

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