2019
DOI: 10.1021/acs.analchem.9b01889
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MoS2/ZnO-Heterostructures-Based Label-Free, Visible-Light-Excited Photoelectrochemical Sensor for Sensitive and Selective Determination of Synthetic Antioxidant Propyl Gallate

Abstract: Propyl gallate (PG) as one of the important synthetic antioxidants is widely used in the prevention of oxidative deterioration of oils during processing and storage. Determination of PG has received extensive concern because of its possible toxic effects on human health. Herein, we report a photoelectrochemical (PEC) sensor based on ZnO nanorods and MoS2 flakes with a vertically constructed p–n heterojunction. In this system, the n-type ZnO and p-type MoS2 heterostructures exhibited much better optoelectronic … Show more

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Cited by 107 publications
(52 citation statements)
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“…Featuring a detection limit of 0.2 ppm and a wide linear detection range of 1.25−576 ppm [106]. A propyl gallate PEC sensor based on ZnO nanorods and MoS2 flakes showed a wide linear range from 1.25 10 −7 to 1.47 10 −3 mol L −1 with a detection limit as low as 1.2 10 −8 mol L −1 [107].…”
Section: Photochemical Cellsmentioning
confidence: 99%
See 1 more Smart Citation
“…Featuring a detection limit of 0.2 ppm and a wide linear detection range of 1.25−576 ppm [106]. A propyl gallate PEC sensor based on ZnO nanorods and MoS2 flakes showed a wide linear range from 1.25 10 −7 to 1.47 10 −3 mol L −1 with a detection limit as low as 1.2 10 −8 mol L −1 [107].…”
Section: Photochemical Cellsmentioning
confidence: 99%
“…CuO NWs photocathodes fabricated via hydrothermal method have also shown a photocurrent of ~1.4 mA cm -2 at 0 V vs. RHE under AM 1.5G irradiation, which is one of the highest photocurrents based on bare CuO photocathode [101]. Hydrogenated 1-D materials (Figure 8) have also been integrated in PEC cells for sensing applications [104][105][106][107]. For instance, Au-NiO1-x (0<x<1) hybrid NWs arrays are used as glucose sensors that exhibits an ultrahigh sensitivity of 4.061 mA cm -2 mM -1 , low detection limit and a wide level of glucose concentration in the detection range of 0.005-15 mM in PEC cells [104].…”
Section: Photochemical Cellsmentioning
confidence: 99%
“…1–D materials ( Figure 8 ) have also been integrated in PEC cells for sensing applications [ 106 , 107 , 108 , 109 ]. For instance, Au–NiO 1−x (0 < x < 1) hybrid NWs arrays are used as glucose sensors that exhibits an ultrahigh sensitivity of 4.061 mA cm −2 mM −1 , low detection limit and a wide level of glucose concentration in the detection range of 0.005–15 mM in PEC cells [ 106 ].…”
Section: Applicationsmentioning
confidence: 99%
“…Featuring a detection limit of 0.2 ppm and a wide linear detection range of 1.25–576 ppm [ 108 ]. A propyl gallate PEC sensor based on ZnO nanorods and MoS 2 flakes showed a wide linear range from 1.25 10 −7 to 1.47 10 −3 mol L −1 with a detection limit as low as 1.2 10 −8 mol L −1 [ 109 ].…”
Section: Applicationsmentioning
confidence: 99%
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