Affiliation:
1. Beijing Institute of Technology
2. Beijing Chenjing Electronics Co., Ltd
Abstract
The infrared absorption efficiency is essential for an infrared sensor. We propose a quartz bulk acoustic wave (BAW) uncooled infrared sensor coated with MXene quantum dot film. The infrared detection is realized by measuring the resonant frequency of a Y-cut quartz BAW sensitive unit. An infrared sensor is fabricated by MEMS process, then the MXene quantum dot film is coated through the spin coating technology. The mechanism of infrared absorption enhancement is analyzed. Test results show that after coating the film, the responsivity (R) of the sensor increased by nearly 41% at a wavelength of 830nm, from 10.88MHz/W to 15.28 MHz/W. The quartz BAW infrared sensor combined with MXene quantum dots film has the potential of high-performance infrared detection.
Funder
National Natural Science Foundation of China
Beijing Chaoyang District Collaborative Project
Subject
Atomic and Molecular Physics, and Optics
Cited by
1 articles.
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