2019
DOI: 10.1016/j.snb.2019.02.024
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Bridging interdigitated electrodes by electrochemical-assisted deposition of graphene oxide for constructing flexible gas sensor

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Cited by 35 publications
(27 citation statements)
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“…27,28 Previously, we have demonstrated that homogeneous loading of reduced graphene oxide (rGO) on polyethylene terephthalate (PET) substrate can detect a sub-ppm level of volatile compounds at room temperature. 22 Besides the sensitivity, selectivity is another essential feature for analyte identification. Limited by the sensing mechanism, it is difficult to design a perfectly selective chemi-resistive sensor to detect a specific gas analyte.…”
Section: Introductionmentioning
confidence: 90%
“…27,28 Previously, we have demonstrated that homogeneous loading of reduced graphene oxide (rGO) on polyethylene terephthalate (PET) substrate can detect a sub-ppm level of volatile compounds at room temperature. 22 Besides the sensitivity, selectivity is another essential feature for analyte identification. Limited by the sensing mechanism, it is difficult to design a perfectly selective chemi-resistive sensor to detect a specific gas analyte.…”
Section: Introductionmentioning
confidence: 90%
“…Electrochemical sensors for toxic gases have also been developed. Chen et al [182] studied the detection of isoprene, which is a byproduct of cholesterol synthesis, and H 2 S, which is associated with the metabolism of S compounds and the quality of stored food. A flexible polyethylene terephthalate (PET) sensor was developed using an rGO film with large surface area and good mechanical properties as the platform.…”
Section: Clinical Diagnosis Applicationsmentioning
confidence: 99%
“…[9,[11][12][13] This process, although efficient, has intrinsic and recalcitrant shortcomings, such as insufficient film thickness control, morphology change, presence of toxic materials, coffee ring effect, and loss of active surface area and functional groups. [21,22] Hence, poor sensing performance results when detecting low concentration biomarkers and their long-term reproducibility is limited. In addition, the precise deposition of homogeneous MXNSs on conductive substrates patterned with different electrode geometries, such as circular, square, needle, and interdigitated (IDE) remains scientifically challenging.…”
Section: Introductionmentioning
confidence: 99%
“…Recent studies have revealed that 2D materials, such as GO, MoS 2 , and CNT can be easily deposited onto a specific electrode substrate with controlled film morphology and thickness via the electrodeposition method. [21,23,24] Generally, MXNSs have high, negative zeta potentials owing to the surface terminal groups (such as F, OH, and O), which afford their hydrophilic nature and render them suitable for forming stable colloids containing few-layer MXNSs in various polar solvents. [25] Additionally, redox-capable transition metal layers on the surface of MXNSs enable the latter to be used in the electrochemical deposition method.…”
Section: Introductionmentioning
confidence: 99%