Ppb-level formaldehyde sensor utilizing a compact 3D-printed differential photoacoustic cell and a 320 nm UV laser

Precise measurement of formaldehyde (H2CO) is a vital defense line for health, crucial for risk warning and prevention of major diseases like leukemia and cancer. The cross-interference of commercial electrochemical and metal oxide semiconductor sensors is grievous for H2CO sensing. Spraying disinfe...

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Main Authors: Xiu Yang, Biao Li, Xiao Geng, Tianbai Zhao, Qiwen Yu, Jiajia Hou, Dacheng Zhang, Yize Liang, Kaijie Xu, Hongpeng Wu, Xukun Yin
Formato: Artigo
Idioma:Inglês
Publicado em: Elsevier 2025-12-01
Colecção:Photoacoustics
Assuntos:
Photoacoustic spectroscopy
3D printing photoacoustic cell
Formaldehyde detection
Trace gas sensor
Acesso em linha:http://www.sciencedirect.com/science/article/pii/S221359792500103X
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