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oe1(光电查) - 科学论文

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  • Organic nanostructure sensing layer developed by AAO template for the application in humidity sensors

    摘要： The present study demonstrates a novel nanoporous structure of aluminium 1,8,15,22-tetrakis 29H,31H phthalocyanine chloride (AlPcCl) prepared by template-assisted method for a humidity sensor. The nanoporous sensing layer was fabricated by solution wetting of anodic aluminium oxide template. The solutions of AlPcCl in different concentrations were spun cast over the template at various speeds. Both capacitive and resistive responses were measured as a function of different relative humidity levels. The sensor showed wide operating relative humidity range and responded at quite low humidity levels. Morphological changes were investigated by field emission scanning electron microscopy. The sensor showed wide operating relative humidity range. The sensor demonstrated better performance with improved sensing parameters, highlighting unique advantages of the low-molecular nanostructured sensing layer for the humidity sensors.

    关键词： humidity sensor,AlPcCl,anodic aluminium oxide,nanoporous structure,template-assisted method

    更新于2025-09-04 15:30:14

  • [IEEE 2018 IEEE XXVII International Scientific Conference Electronics (ET) - Sozopol, Bulgaria (2018.9.13-2018.9.15)] 2018 IEEE XXVII International Scientific Conference Electronics - ET - Effect of Electroless Nickel Deposition on the Breakdown Voltage of Nanoporous Aluminium Oxide

    摘要： Anodic aluminium oxide films were formed in various acidic solutions and further covered by Ni and Cu coatings. Certain of them were reanodized to thicken their barrier sub-layer. As a final outcome, printed circuit board-like multi-layer structure Al/Al2O3/Ni/Cu is produced. In this case, it is clearly demonstrated that the breakdown voltage of anodic oxide depends on its overall thickness, barrier sub-layer thickness, metal coating availability as well as to some extent on pore diameter.

    关键词： anodic aluminium oxide,electroless nickel deposition,breakdown voltage,reanodization

    更新于2025-09-04 15:30:14