Electrochemically Modified Sensor Based on Reduced Graphene Oxide–Molybdenum Disulfide–Doped Poly(p-Aminobenzene Sulfonic Acid) Nanocomposite Film for the Detection of Morphine
1
Post Graduate and Research Department of Chemistry, St. Gregorios College, Kottarakara, Kollam, India
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2
Post Graduate and Research Department of Chemistry, Sree Narayana College for Women, Kollam, India
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3
Government Higher Secondary School, Karukone, Kollam, India
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Publication type: Journal Article
Publication date: 2025-05-13
scimago Q3
wos Q3
SJR: 0.571
CiteScore: 5.9
Impact factor: 2.8
ISSN: 18682529, 18685994
Abstract
The present study explores the potential of molybdenum disulfide–reduced graphene oxide/poly(p-aminobenzene sulfonic acid) (MoS2-rGO/poly(p-ABSA)) for the detection of morphine (MO). The developed nanocomposites have an interconnected 3D network structure, in which the organic conducting polymer poly(p-ABSA) forms a uniform coating over the surface of the MoS2-rGO composite. The composite film synthesis has been optimized to improve the electrocatalytic behavior of the developed sensor. The synergetic effect of MoS2-rGO and poly(p-ABSA) composites contributed towards the excellent electrocatalytic activity of the developed sensor against MO. A low detection limit of 76 nM with a good regression between MO concentration and peak currents (R2 = 0.99) has been achieved within the range of 50 nM to 30 µM. The fabricated sensor was successfully employed to determine MO in real samples and the results showed that it exhibited better reliability for real samples assay. Further, the potential of MoS2-rGO/poly(p-ABSA)-based sensor as a commendable electrochemical sensing platform for simple and sensitive detection of various analytes has also been proposed.
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Abraham P. et al. Electrochemically Modified Sensor Based on Reduced Graphene Oxide–Molybdenum Disulfide–Doped Poly(p-Aminobenzene Sulfonic Acid) Nanocomposite Film for the Detection of Morphine // Electrocatalysis. 2025. Vol. 16. No. 5. pp. 815-827.
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Abraham P., Sadhana R., Anitha P. P., Pillai A. M. Electrochemically Modified Sensor Based on Reduced Graphene Oxide–Molybdenum Disulfide–Doped Poly(p-Aminobenzene Sulfonic Acid) Nanocomposite Film for the Detection of Morphine // Electrocatalysis. 2025. Vol. 16. No. 5. pp. 815-827.
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TY - JOUR
DO - 10.1007/s12678-025-00957-3
UR - https://link.springer.com/10.1007/s12678-025-00957-3
TI - Electrochemically Modified Sensor Based on Reduced Graphene Oxide–Molybdenum Disulfide–Doped Poly(p-Aminobenzene Sulfonic Acid) Nanocomposite Film for the Detection of Morphine
T2 - Electrocatalysis
AU - Abraham, Pinky
AU - Sadhana, Renjini
AU - Anitha, Pavitha Pushpakaran
AU - Pillai, Akhilash Mohanan
PY - 2025
DA - 2025/05/13
PB - Springer Nature
SP - 815-827
IS - 5
VL - 16
SN - 1868-2529
SN - 1868-5994
ER -
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@article{2025_Abraham,
author = {Pinky Abraham and Renjini Sadhana and Pavitha Pushpakaran Anitha and Akhilash Mohanan Pillai},
title = {Electrochemically Modified Sensor Based on Reduced Graphene Oxide–Molybdenum Disulfide–Doped Poly(p-Aminobenzene Sulfonic Acid) Nanocomposite Film for the Detection of Morphine},
journal = {Electrocatalysis},
year = {2025},
volume = {16},
publisher = {Springer Nature},
month = {may},
url = {https://link.springer.com/10.1007/s12678-025-00957-3},
number = {5},
pages = {815--827},
doi = {10.1007/s12678-025-00957-3}
}
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Abraham, Pinky, et al. “Electrochemically Modified Sensor Based on Reduced Graphene Oxide–Molybdenum Disulfide–Doped Poly(p-Aminobenzene Sulfonic Acid) Nanocomposite Film for the Detection of Morphine.” Electrocatalysis, vol. 16, no. 5, May. 2025, pp. 815-827. https://link.springer.com/10.1007/s12678-025-00957-3.