Liquid nitrogen-assisted synthesis of fluorescent carbon dots from Blueberry and their performance in Fe 3+ detection

Aslandas A. M., Balcı N., Arık M., Sakiroglu H., Onganer Y., Meral K.

Applied Surface Science, cilt.356, ss.747-752, 2015 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 356
  • Basım Tarihi: 2015
  • Doi Numarası: 10.1016/j.apsusc.2015.08.147
  • Dergi Adı: Applied Surface Science
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.747-752
  • Anahtar Kelimeler: Carbon dots, Fluorescence sensor, Fe3+ detection, Blueberry, GREEN SYNTHESIS, SENSITIVE DETECTION, QUANTUM DOTS, NANOPARTICLES, NANODOTS, NANOPROBE, FACILE, PROBES, FRET
  • Atatürk Üniversitesi Adresli: Evet

Özet

Fluorescent carbon dots (C-dots) were synthesized by a facile method containing liquid N-2 treatment and centrifuge processes. The photophysical properties of the C-dots in an aqueous solution were examined at various conditions such as concentration, temperature, pH and excitation wavelength by using UV-vis absorption, fluorescence and time-resolved fluorescence spectroscopies. The C-dots emitted a broad fluorescence between approximately 350-550 nm and their fluorescence was tuned by changing excitation wavelength. The as-prepared C-dots were applied to Fe3+ detection from aqueous solution. Spectroscopic data revealed that the as-prepared C-dots were used to detect Fe3+ in the range of 12.5 mu M to 100 mu M as a fluorescence sensor. (C) 2015 Elsevier B.V. All rights reserved.