Hydrothermal and plasma nitrided electrospun carbon nanofibers for amperometric sensing of hydrogen peroxide

Yuan Ping Lyu, Yi Shan Wu, Tzu Pei Wang, Chien Liang Lee, Meng Yin Chung, Chieh Tsung Lo

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Nitrogen-doped carbon nanofibers (CNFs) were prepared by an electrospinning method, this followed by a hydrothermal reaction or nitrogen plasma treatment to obtain electrode for non-enzymatic amperometric sensing of H2O2. The hydrothermally treated electrode performs better. Its electrochemical surface is 3.7 × 10−3 mA cm−2, which is larger than that of a nitrogen plasma treated electrode (8.9 × 10−4) or a non-doped CNF (2.45 × 10−4 mA cm−2). The hydrothermally treated CNF with rough surface and a complex profile with doped N has a higher sensitivity (357 μA∙mM−1∙cm−2), a lower detection limit (0.62 μM), and a wider linear range (0.01–0.71 mM) than N-CNFP at a working potential of −0.4 V (vs. Ag/AgCl). The electrode gave high recoveries when applied to the analysis of milk samples spiked with H2O2. [Figure not available: see fulltext.].

Original languageEnglish
Article number371
JournalMicrochimica Acta
Volume185
Issue number8
DOIs
Publication statusPublished - 2018 Aug 1

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry

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