Chemical sensor simultaneously having light sensitivity and gas sensitivity
A chemical sensor and gas-sensing technology, applied in the direction of electrochemical variables of materials, can solve the problem of not having the ability to change and detect ambient light conditions, and achieve the effects of excellent photoelectric conversion characteristics, simple preparation process, and low preparation cost
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Embodiment 1
[0043] The chemical sensor with both photosensitive and gas-sensitive properties prepared by the present invention is composed of four parts: the sensitive layer of the chemical sensor, the planar Au-plated ceramic substrate, the lead wire and the base of the gas sensor. The sensitive layer of the chemical sensor for CH 3 NH 3 PB 3 Perovskite Precursor and WO 3 Thin film layer obtained by doping with nanopowder. There is a heating layer of special material and Au-plated electrodes on the planar ceramic sheet. The lead wire is Pt wire, which is welded to the four pins of the ceramic sheet. Finally, the Pt wire on the ceramic sheet is welded to the base by a spot welder.
[0044] The chemical sensor prepared by the present invention has both light-sensitive and gas-sensitive properties, and the film thickness of the sensitive layer of the chemical sensor is 50um.
[0045] The preparation method of the above-mentioned chemical sensor having both photosensitive properties and ...
Embodiment 2
[0058] The chemical sensor with both photosensitive and gas-sensitive properties prepared by the present invention is composed of four parts: the sensitive layer of the chemical sensor, the planar Au-plated ceramic substrate, the lead wire and the base of the gas sensor. The sensitive layer of the chemical sensor It is a film layer obtained by doping CH3NH3PbI3 perovskite precursor solution and WO3 nanometer powder. There is a heating layer of special material and Au-plated electrodes on the planar ceramic sheet. The lead wire is Pt wire, which is welded to the four pins of the ceramic sheet. Finally, the Pt wire on the ceramic sheet is welded to the base by a spot welder.
[0059] The chemical sensor prepared by the present invention has both light-sensitive and gas-sensitive properties, and the film thickness of the sensitive layer of the chemical sensor is 100um.
[0060] The preparation method of the above-mentioned chemical sensor having both photosensitive properties and...
Embodiment 3
[0073] The chemical sensor with both photosensitive and gas-sensitive properties prepared by the present invention is composed of four parts: the sensitive layer of the chemical sensor, the planar Au-plated ceramic substrate, the lead wire and the base of the gas sensor. The sensitive layer of the chemical sensor for CH 3 NH 3 PB 3 Perovskite Precursor and WO 3 Thin film layer obtained by doping with nanopowder. There is a heating layer of special material and Au-plated electrodes on the planar ceramic sheet. The lead wire is Pt wire, which is welded to the four pins of the ceramic sheet. Finally, the Pt wire on the ceramic sheet is welded to the base by a spot welder.
[0074] The chemical sensor prepared by the present invention has both light-sensitive and gas-sensitive properties, and the film thickness of the sensitive layer of the chemical sensor is 100um.
[0075] The preparation method of the above-mentioned chemical sensor having both photosensitive properties and...
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