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Graphene Loaded ZrO 2 Nanocomposite for Antioxidant, Dye Removal, Electrochemical and Green Sensor Studies
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Abstract
The present study demonstrates the preparation of reduced graphene oxide (rGO) incorporated zirconium oxide (ZrO
2
) nanocomposite by using reflux method. The ZrO
2
/rGO was confirmed by using UV‐Vis, FT‐IR, XRD, SEM, and EDAX techniques. In photocatalysis examination, the selected Rose Bengal (RB) was degraded effectively using ZrO
2
/rGO composite (76 %) at 180 minutes which follows first order kinetics. The antioxidant property against 2,2‐diphenyl‐1‐picrylhydrazyl (DPPH) radicals was found to be 97 % activity with IC
50
value of 314.53 mg/mL. Electrode reversibility (E
O
‐E
R
), diffusion coefficient (D) and capacitance of rGO, ZrO
2
and ZrO
2
/rGO were measured by cyclic voltammetry method (CV). The electrochemical sensor detection of rGO, ZrO
2
and ZrO
2
/rGO composite were assessed in 1 M NaCl electrolyte using tartaric acid and grape juice green sensors. The prepared electrode material plays a significant role for improving dye removal, electrochemical, antioxidant and sensor detection.
Title: Graphene Loaded ZrO
2
Nanocomposite for Antioxidant, Dye Removal, Electrochemical and Green Sensor Studies
Description:
Abstract
The present study demonstrates the preparation of reduced graphene oxide (rGO) incorporated zirconium oxide (ZrO
2
) nanocomposite by using reflux method.
The ZrO
2
/rGO was confirmed by using UV‐Vis, FT‐IR, XRD, SEM, and EDAX techniques.
In photocatalysis examination, the selected Rose Bengal (RB) was degraded effectively using ZrO
2
/rGO composite (76 %) at 180 minutes which follows first order kinetics.
The antioxidant property against 2,2‐diphenyl‐1‐picrylhydrazyl (DPPH) radicals was found to be 97 % activity with IC
50
value of 314.
53 mg/mL.
Electrode reversibility (E
O
‐E
R
), diffusion coefficient (D) and capacitance of rGO, ZrO
2
and ZrO
2
/rGO were measured by cyclic voltammetry method (CV).
The electrochemical sensor detection of rGO, ZrO
2
and ZrO
2
/rGO composite were assessed in 1 M NaCl electrolyte using tartaric acid and grape juice green sensors.
The prepared electrode material plays a significant role for improving dye removal, electrochemical, antioxidant and sensor detection.
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