An innovative approach utilizing bimetallic Ag@Sn-oxy nanocomposite with rGO-decorated glassy carbon-modified electrode for high-performance detection of hydroquinone

Sethupathy Ramanathan; Panneerselvam Perumal

doi:10.1007/s42823-024-00783-5

An innovative approach utilizing bimetallic Ag@Sn-oxy nanocomposite with rGO-decorated glassy carbon-modified electrode for high-performance detection of hydroquinone

Carbon Letters
Abbr : Carbon Lett.
2025, 35(1), pp.221~234
DOI : 10.1007/s42823-024-00783-5
Publisher : Korean Carbon Society
Research Area : Natural Science > Natural Science General > Other Natural Sciences General
Received : April 30, 2024
Accepted : July 21, 2024
Published : March 28, 2025

Sethupathy Ramanathan ¹, Panneerselvam Perumal ²

¹SRM Institute of Science and Technology
²Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Chennai

Accredited

ABSTRACT

Herein, the electrochemical technique was employed to detect hydroquinone (HQ) using a modified glassy carbon electrode (GCE) with reduced graphene oxide (rGO) and silver (Ag)-decorated tin oxy-nanoparticles (SnONPs) to form Ag@SnONPs/rGO nanocomposites (NC). The Ag@SnONPs/rGO nanocomposites were morphologically characterized using multiple analytical methods such as XRD, Raman, XPS, HR-SEM, and HR-TEM. This study revealed that Ag@SnONPs/rGO-NC exhibits excellent conductivity due to the presence of rGO that provides potential π–π interactions with SnONPs, while Ag enhances electron-transfer kinetics. This facilitates efficient charge transport within the sensor, thereby improving HQ adsorption. The key advantages of the sensor demonstrate a concentration of 0.5–200 µM, and a low detection limit value of 0.010 µM, and a high sensitivity value of 6.0746 µA µM−1 cm2. Under optimal conditions, the Ag@SnONPs/rGO sensor may be used to determine HQ and its concentration using cyclic voltammetry (CV) and differential pulse voltammetry (DPV). The Ag@SnONPs-rGO/GCE sensor demonstrated excellent reproducibility, repeatability, and stability. Moreover, the suggested bimetallic nanocomposite effectively determined the presence of HQ in water and cosmetic samples.

KEYWORDS

Electrochemical detection, Silver nanoparticles, Reduced graphene oxide, Tin nanoparticles, Hydroquinone

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Total Citation Counts(KCI+WOS) (12) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

* References for papers published after 2025 are currently being built.

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Carbon Letters 2025 KCI Impact Factor : 0.73 KCI-WoS Impact Factor : 6.26

An innovative approach utilizing bimetallic Ag@Sn-oxy nanocomposite with rGO-decorated glassy carbon-modified electrode for high-performance detection of hydroquinone

ABSTRACT

KEYWORDS

Citation status

This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2026-07-09)

Total Citation Counts(KCI+WOS) (12) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

* References for papers published after 2025 are currently being built.

Carbon Letters 2025 KCI Impact Factor : 0.73 KCI-WoS Impact Factor : 6.26

An innovative approach utilizing bimetallic Ag@Sn-oxy nanocomposite with rGO-decorated glassy carbon-modified electrode for high-performance detection of hydroquinone

ABSTRACT

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WoS Citation Counts (12) This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2026-07-09)

Total Citation Counts(KCI+WOS) (12) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

REFERENCES (72) * References for papers published after 2025 are currently being built.

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This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2026-07-09)

* References for papers published after 2025 are currently being built.