2022
DOI: 10.1021/acsami.2c16129
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Natural Glycyrrhizic Acid-Tailored Homogeneous Conductive Polyaniline Hydrogel as a Flexible Strain Sensor

Abstract: Polyaniline (PANi) hydrogels often exhibit highly mechanical and electrochemical properties, which have received extensive attention in the fields of batteries, supercapacitors, and sensors. However, the shortcomings such as hydrophobicity and easy aggregation of PANi frequently result in deterioration of mechanical and electrochemical performance of PANi hydrogels. Here, a bifunctional natural product, glycyrrhizic acid (GL), is utilized to prepare the homogeneous conductive PANi hydrogel, because GL not only… Show more

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Cited by 34 publications
(20 citation statements)
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“…In summary, the hydrogel exhibited excellent sensitivity throughout the whole stretching process, indicating that the hydrogel could be used as a flexible strain sensor for both fine amplitude motion and macroscopic deformation sensing. Given the sensing capability of the H-A-CP-3 hydrogel, the hydrogel strain sensor was compared with similar sensing materials previously reported in order to confirm the excellent characteristics in the field of flexible sign language interpreting devices. ,,, Figure c illustrates the hydrogel in terms of its stretchability, adhesiveness, sensitivity, and responsiveness, exhibiting a skin-like mechanical performance and excellent sensing properties.…”
Section: Resultsmentioning
confidence: 84%
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“…In summary, the hydrogel exhibited excellent sensitivity throughout the whole stretching process, indicating that the hydrogel could be used as a flexible strain sensor for both fine amplitude motion and macroscopic deformation sensing. Given the sensing capability of the H-A-CP-3 hydrogel, the hydrogel strain sensor was compared with similar sensing materials previously reported in order to confirm the excellent characteristics in the field of flexible sign language interpreting devices. ,,, Figure c illustrates the hydrogel in terms of its stretchability, adhesiveness, sensitivity, and responsiveness, exhibiting a skin-like mechanical performance and excellent sensing properties.…”
Section: Resultsmentioning
confidence: 84%
“…14 However, hydrogels that are directly mixed with PANI lack compatibility and stability because of the hydrophobicity−hydrophilicity mismatch in the hydrogel matrix. 12,15 As a result, it is highly demanded to optimize the dispersity of PANI in a gel network. For instance, Zhao et al developed an in situ polymerization strategy to manufacture homogeneous conductive PANI hydrogels using glycyrrhizic acid.…”
Section: Introductionmentioning
confidence: 99%
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