Abstract
Agricultural informatization, modernization is an important development trend of agriculture, and building low-cost agricultural sensors has become a hot topic. In this paper, a multi-parameter preparation method suitable for agricultural information technology based on graphene and its doped-modified nanocomposites is proposed. The nanomaterials such as zinc oxide, titanium dioxide, stannic oxide, and molybdenum disulfide were synthesized by hydrothermal method, combined with graphene to prepare sensors. The finally completed graphene multi-parameter sensor is suitable for the agricultural environment, the temperature measurement ranges from 10 to 60 °C, the light intensity measurement ranges from 1000 to 11,000 lux, the humidity measurement ranges from 11% to 97 %RH, and the 300–1100 ppm CO2 concentration measurement range, and the response time is short. The material used is low, cost-effective, and the measurement parameters make it a suitable agricultural sensor, which will bring a large economic and social value, lay the foundation for the agricultural sensor to meet market needs.
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