Hierarchical Porous Tubular Biochar Based Sensor for Detection of Trace Lead (II)

Hierarchical Porous Tubular Biochar Based Sensor for Detection of Trace Lead (II)

Hierarchical porous tubular biochar (PTBC) was prepared by selectively removing lignin simply according to reverse the pyrolysis sequence of cellulose. The properties of the PTBC sample were characterized by XRD, SEM, TEM, Raman spectra, cyclic voltammetry and electrochemical impedance spectroscopy....

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Veröffentlicht in:Electroanalysis (New York, N.Y.) N.Y.), 2021-02, Vol.33 (2), p.473-482
Hauptverfasser: Chen, Xue, Lu, Kunchao, Lin, Donghai, Li, Yan, Yin, Shiyu, Zhang, Zhiyi, Tang, Meihua, Chen, Guosong
Format: Artikel
Sprache:eng
Schlagworte:
Biochar
Electrochemical sensor
Fiber frame structure
Lead ions
Screen-printing electrode
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Zusammenfassung:Hierarchical porous tubular biochar (PTBC) was prepared by selectively removing lignin simply according to reverse the pyrolysis sequence of cellulose. The properties of the PTBC sample were characterized by XRD, SEM, TEM, Raman spectra, cyclic voltammetry and electrochemical impedance spectroscopy. The electrochemical performances of PTBC modified on the screen‐printing electrode illustrated excellent detection of lead ions (lead (II)) in water with the linear range (0.5–120 μg/L) and the detection limit (0.02 μg/L) by in‐situ bismuth film square wave anode stripping voltammetry.
ISSN:1040-0397
1521-4109
DOI:10.1002/elan.202060148