Overview of Preparation, Properties, and Applications of Advanced Materials in Wearable PPG Sensors 2

2. Preparation process: Special attention should be paid to the thin film preparation process of the material, such as sputtering, solution method, printing method, etc., to ensure the purity and uniformity of the material.diode

2、 Performance of advanced materials:

1. Optical characteristics: Advanced materials should have high transparency and optical absorption performance to improve the signal detection accuracy of sensors.diode

2. Mechanical flexibility: The material should have good flexibility and be suitable for fitting on the surface of the skin, ensuring comfort and stability during wear.

3. Conductivity: The material needs to have good conductivity to ensure the accuracy and stability of sensor signal acquisition.

3、 Application of advanced materials in PPG sensors:diode

1. Used for optical sensor modules: Advanced materials can be used to construct photoelectric sensor modules, helping to detect light signals on the skin surface and convert them into physiological parameters.

2. Used for sensor packaging materials: The material can also be applied to the packaging layer of sensors to protect the sensor components while ensuring the wear resistance and waterproofing of the sensor.

By designing reasonable advanced material preparation methods, optimizing their performance, and cleverly applying them in wearable PPG sensors, the sensitivity, stability, and comfort of the sensors can be effectively improved, promoting the development of wearable health monitoring technology.diode