Construction of strontium phosphate/graphitic-carbon nitride: A flexible and disposable strip for acetaminophen detection

被引:51
作者
Tseng, Tien-Wen [1 ]
Chen, Tse-Wei [1 ,2 ,3 ]
Chen, Shen-Ming [1 ]
Kokulnathan, Thangavelu [1 ,4 ]
Ahmed, Faheem [5 ]
Hasan, P. M. Z. [6 ]
Bilgrami, Anwar L. [7 ]
Kumar, Shalendra [5 ,8 ]
机构
[1] Natl Taipei Univ Technol, Dept Chem Engn & Biotechnol, Taipei 106, Taiwan
[2] Natl Taipei Univ Technol, Res & Dev Ctr Smart Text Technol, Taipei 106, Taiwan
[3] Imperial Coll London, Dept Mat, London SW7 2AZ, England
[4] Natl Taipei Univ Technol, Dept Electroopt Engn, Taipei 106, Taiwan
[5] King Faisal Univ, Coll Sci, Dept Phys, POB 400, Al Hasa 31982, Saudi Arabia
[6] King Abdulaziz Univ, Ctr Nanotechnol, Jeddah, Saudi Arabia
[7] King Abdulaziz Univ, Deanship Sci Res, Jeddah, Saudi Arabia
[8] Univ Petr & Energy Studies, Sch Engn, Dept Phys, Dehra Dun 248007, Uttarakhand, India
关键词
Metal phosphate; Carbonous material; Electrochemical sensor; Acetaminophen; Synergistic effect; ELECTROCHEMICAL DETERMINATION; VOLTAMMETRIC DETERMINATION; MODIFIED ELECTRODE; PARACETAMOL; NANOSHEETS; NANOCOMPOSITE; PHOSPHATE; G-C3N4; ELECTROPHORESIS; DOPAMINE;
D O I
10.1016/j.jhazmat.2020.124542
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A facile technique has been used to synthesize the strontium phosphate interlinked with graphitic carbon nitride nanosheets (SrP/g-CN NSs) nanocomposite for highly selective detection of acetaminophen (AP). The formation of SrP/g-CN NSs nanocomposite is evidenced by several spectroscopic and analytical methods. It was demonstrated that the SrP/g-CN NSs modified screen-printed carbon electrode (SPCE) exhibits excellent catalytic performance with low peak potential towards AP detection than those of pristine SrP-, g-CN NSs-, and bare-SPCEs. The outstanding electrochemical performance can be attributed to the robust synergistic effect between SrP and g-CN NSs. Likewise, g-CN NSs possess a porous multilayer network, which provides a large surface area, fast charge transferability, electrical conductivity, and numerous active sites. Under the optimal conditions, the fabricated sensor could detect AP with a linear relationship range from 0.01 to 370 mu M, and the detection limit is calculated to be as low as 2.0 nM. The proposed sensor is successfully used to determine AP in water samples with satisfactory results.
引用
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页数:10
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