Acetone sensor, preparation method and application
A sensor and gas sensor technology, applied in the field of gas sensor preparation, can solve the problems of ineffective control of the cavity structure, time-consuming and uneconomical manufacturing process, unfavorable wide application, etc., to achieve improved sensitivity, excellent gas-sensing characteristics, and excellent activity Effect
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[0047] Example 1
[0048] like figure 1 As shown, the preparation method of the acetone sensor provided by the embodiment of the present invention includes the following steps:
[0049] S101, with zinc nitrate, copper nitrate is metal salt, deionized water is a solvent, and the salt template NaCl is directly used as a pore agent, and the carbon source is used as a structural carrier;
[0050] S102, synthesized spinel MFE with multi-cavity structure by one-step chemical vapor deposition 2 O 4 Microsphere material; where the spinel MFE 2 O 4 Includes M = Zn and Cu;
[0051] S103, using a bypass heat device, coating sensitive material according to the process of the bypass heat device, is assembled and soldered, and finally obtains a spine-based spinel MFE based on a multi-cavity structure. 2 O 4 (M = Zn and Cu) gas sensors and apply them to acetone detection.
[0052] Multi-cavity spine MFE of the present invention 2 O 4 (M = Zn and Cu) gas sensitive material preparation process is ...
Example Embodiment
[0072] Example 2
[0073] like figure 1 As shown, the preparation method of the acetone sensor provided by the embodiment of the present invention includes the following steps:
[0074] S101, with zinc nitrate, copper nitrate is metal salt, deionized water is a solvent, and the salt template NaCl is directly used as a pore agent, and the carbon source is used as a structural carrier;
[0075] S102, synthesized spinel MFE with multi-cavity structure by one-step chemical vapor deposition 2 O 4 Microsphere material; where the spinel MFE 2 O 4 Includes M = Zn and Cu;
[0076] S103, using a bypass heat device, coating sensitive material according to the process of the bypass heat device, is assembled and soldered, and finally obtains a spine-based spinel MFE based on a multi-cavity structure. 2 O 4 (M = Zn and Cu) gas sensors and apply them to acetone detection.
[0077] Multi-cavity spine MFE of the present invention 2 O 4 (M = Zn and Cu) gas sensitive material preparation, the conten...
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