A highly sensitive and selective hydroquinone sensor based on a newly designed N-rGO/SrZrO3 composite

Khursheed Ahmad; Praveen Kumar; Shaikh M Mobin

doi:10.1039/c9na00573k

A highly sensitive and selective hydroquinone sensor based on a newly designed N-rGO/SrZrO₃ composite

Nanoscale Adv. 2019 Dec 9;2(1):502-511. doi: 10.1039/c9na00573k. eCollection 2020 Jan 22.

Authors

Khursheed Ahmad¹, Praveen Kumar¹, Shaikh M Mobin^{1

2

3}

Affiliations

¹ Discipline of Chemistry, Indian Institute of Technology Indore Simrol, Khandwa Road Indore 453552 India xray@iiti.ac.in +91 731 2438 752.
² Discipline of Biosciences and Bio-Medical Engineering, Indian Institute of Technology Indore Simrol, Khandwa Road Indore 453552 India.
³ Discipline of Metallurgy Engineering and Materials Science, Indian Institute of Technology Indore Simrol, Khandwa Road Indore 453552 India.

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.