A highly sensitive and selective hydroquinone sensor based on a newly designed N-rGO/SrZrO3 composite
Khursheed Ahmad1, Praveen Kumar1, Shaikh M Mobin1,2,3
1Discipline of Chemistry, Indian Institute of Technology Indore Simrol, Khandwa Road Indore 453552 India xray@iiti.ac.in +91 731 2438 752.
Abstract:
Herein, we have reported a novel composite of nitrogen doped reduced graphene oxide (N-rGO) and strontium zirconate (SrZrO3). This new composite (N-rGO/SrZrO3) was synthesized using the reflux method. The physicochemical properties of N-rGO/SrZrO3 were determined using different advanced techniques such XRD, FE-SEM, EDX, FTIR and BET. Furthermore, a glassy carbon electrode was modified with N-rGO/SrZrO3 (GCE-2). This modified electrode was employed for the sensing of HQ. The electrochemically active surface area (ECSA) of this modified electrode (GCE-2) was calculated by employing the Randles-Sevcik equation. Furthermore, GCE-2 exhibited a good detection limit (0.61 μM) including high selectivity towards HQ.
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