期刊
BULLETIN OF MATERIALS SCIENCE
卷 45, 期 2, 页码 -出版社
INDIAN ACAD SCIENCES
DOI: 10.1007/s12034-022-02674-9
关键词
Zeolite; nanoparticle; synthesis; sensing
Zeolite nanoparticles were synthesized using the hydrothermal method and chemically polymerized to create a zeolite polypyrrole polymer nanocomposite. This nanocomposite was used as a gas sensing material and demonstrated the ability to detect ammonia at a concentration as low as 1 ppm, with a response and recovery time of less than a minute. The nanocomposite also showed a high sensitivity of 12.34 ppm(-1). Additionally, it exhibited a degradation efficiency of up to 79.4% for methylene blue dye under UV light. Powder X-ray diffraction confirmed the crystalline nature of the materials, and scanning electron microscope images revealed the unique structure and morphology of the zeolite and polypyrrole components.
Zeolite nanoparticles are synthesized by hydrothermal method, and zeolite polypyrrole polymer nanocomposite is chemically polymerized. The polymer nanocomposite of zeolite polypyrrole is used as the gas sensing material. The sensor can detect the ammonia of the lowest concentration of 1 ppm with a response and recovery time of less than a minute. The sensor has a sensitivity of 12.34 ppm(-1). The polymer composite can also degrade the methylene blue dye in the presence of UV light up to 79.4%. The powder X-ray diffraction of the materials shows the crystalline nature. The scanning electron microscope micrograph of the zeolite shows the regular hexagonal rod structure having an average length of 77.64 nm and diameter of 23.52 nm. In the case of the zeolite polypyrrole SEM micrograph, polypyrrole is encapsulating the zeolite, and also shows the polypyrrole spherical balls.
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