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Photo-thermo-electric hydrogel with interlocking photothermal layer and hydrogel for enhancement of thermopower generation
  • +7
  • Jingjie Shen,
  • Chenhui Yang,
  • Yanli Ma,
  • Mengnan Cao,
  • Zifa Gao,
  • Shuo Wang,
  • Jian Li,
  • Shouxin Liu,
  • Zhijun Chen,
  • Shujun Li
Jingjie Shen
Northeast Forestry University
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Chenhui Yang
Northeast Forestry University
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Yanli Ma
Northeast Forestry University
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Mengnan Cao
Northeast Forestry University
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Zifa Gao
Northeast Forestry University
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Shuo Wang
Northeast Forestry University
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Jian Li
Northeast Forestry University
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Shouxin Liu
Northeast Forestry University
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Zhijun Chen
Northeast Forestry University
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Shujun Li
Northeast Forestry University

Corresponding Author:[email protected]

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Abstract

Photothermal devices and thermoelectric cells hold great promise for energy generation but integration of the two remains a considerable challenge in real-life power supply for sensors. Here, a novel photo-thermo-electric hydrogel (PTEH-Interlocking) was constructed by synthesis of a photothermal layer on a thermoelectric hydrogel with the redox pair Fe(CN)63−/Fe(CN)64−. The smart design of using oxidation of pyrogallic acid by Fe(CN)63− to construct the photothermal layer for photo-to-heat conversion protected the redox couple of the thermogalvanic ion pair from ultraviolet damage, as well as triggered the formation of an interlocking structure at the interface of the photothermal layer and the thermoelectric hydrogel. The as-prepared PTEH-Interlocking have shown a high Seebeck coefficient and rapid heat transfer, boosting the photo-thermo-electric conversion. As a demonstration of a practical application, the PTEH-Interlocking cells is successfully used as the energy supply for a mechanical sensor.
22 Aug 2023Submitted to EcoMat
23 Aug 2023Submission Checks Completed
23 Aug 2023Assigned to Editor
23 Aug 2023Review(s) Completed, Editorial Evaluation Pending
29 Aug 2023Reviewer(s) Assigned
28 Oct 2023Editorial Decision: Revise Major
14 Nov 20231st Revision Received
15 Nov 2023Submission Checks Completed
15 Nov 2023Assigned to Editor
15 Nov 2023Review(s) Completed, Editorial Evaluation Pending
15 Nov 2023Reviewer(s) Assigned
21 Nov 2023Editorial Decision: Accept