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In this work, we synthesized a novel electrochemical sensing materials based on tetracarboxylic copper phthalocyanine (TcCuPtc) conjugated PANI (TcCuPtc@PANI). The synthesized materials were employed to modify the screen-printed carbon electrode (SPCE) for the selective sensing of 4-nitrophenol. The TcCuPtc was conjugated with conducting polymer of PANI through the electrostatic interaction and π-π electron conjugation, the polymer film of PANI to inhibit the leakage of TcCuPtc from the surface of the electrode. The prepared TcCuPtc@PANI were characterized and confirmed by scanning electron microscopy (SEM) with EDX, ATR-IR, UV-vis absorption spectroscopy, cyclic voltammetry, and differential pulse voltammetry techniques. The prepared TcCuPtc@PANI/SPCE showed an excellent electrocatalytic sensing of 4-NP in the linear concentrations from 3 to 500 nM with a LOD of 0.03 nM and a sensitivity of 8.8294 μA/nM cm<SUP>-2</SUP>. However, the prepared TcCuPtc@PANI/ SPCE showed selective sensing of 4-NP in the presence of other interfering species. The practical applicability of the TcCuPtc@PANI/SPCE was employed for the sensing of 4-NP in different water samples by standard addition method and showed satisfactory recovery results.
목차
Abstract
1. Introduction
2. Experimental
3. Results and Discussion
4. Conclusion
References
참고문헌 (45)
참고문헌 신청
R. Nehru, P. K. Gopi, S. M. Chen, Enhanced sensing of hazardous 4-nitrophenol by a graphene oxide–TiO2 composite: environmental pollutant monitoring applications, New J. Chem., 44 (2020) 4590-4603.
P. Balasubramanian, T. S. T. Balamurugan, S. M. Chen, T. W. Chen, Simplistic synthesis of ultrafine CoMnO3 nanosheets: An excellent electrocatalyst for highly sensitive detection of toxic 4-nitrophenol in environmental water samples, J. Hazard. Mater., 36
B. Dinesh, R. Saraswathi, Electrochemical synthesis of nanostructured copper-curcumin complex and its electrocatalytic application towards reduction of 4-nitrophenol, Sens. Actuators B Chem., 253 (2017) 502-512.
P. Mulchandani, C. M. Hangarter, Y. Lei, W. Chen, A. Mulchandani, Amperometric microbial biosensor for p-nitrophenol using Moraxella sp.-modified carbon paste electrode, Biosens. Bioelectron., 21 (2005) 523-527.
N. I. Ikhsan, P. Rameshkumar, N. M. Huang, Controlled synthesis of reduced graphene oxide supported silver nanoparticles for selective and sensitive electrochemical detection of 4-nitrophenol, Electrochim. Acta, 192 (2016) 392-399.
P. Balasubramanian, T. S. T. Balamurugan, S. M. Chen, T. W. Chen, Simplistic synthesis of ultrafine CoMnO3 nanosheets: An excellent electrocatalyst for highly sensitive detection of toxic 4-nitrophenol in environmental water samples, J. Hazard. Mater., 36
B. Dinesh, R. Saraswathi, Electrochemical synthesis of nanostructured copper-curcumin complex and its electrocatalytic application towards reduction of 4-nitrophenol, Sens. Actuators B Chem., 253 (2017) 502-512.
P. Mulchandani, C. M. Hangarter, Y. Lei, W. Chen, A. Mulchandani, Amperometric microbial biosensor for p-nitrophenol using Moraxella sp.-modified carbon paste electrode, Biosens. Bioelectron., 21 (2005) 523-527.
N. I. Ikhsan, P. Rameshkumar, N. M. Huang, Controlled synthesis of reduced graphene oxide supported silver nanoparticles for selective and sensitive electrochemical detection of 4-nitrophenol, Electrochim. Acta, 192 (2016) 392-399.
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