Development of a 443 nm diode laser-based differential photoacoustic spectrometer for simultaneous measurements of aerosol absorption and NO2

doi:10.1016/j.pacs.2020.100229

	Development of a 443 nm diode laser-based differential photoacoustic spectrometer for simultaneous measurements of aerosol absorption and NO2
	Cao, Yuan 1,2; Liu, Qiang 2; Wang, Ruifeng 2; Liu, Kun 2; Chen, Weidong 3; Wang, Guishi 2; Gao, Xiaoming 1,2
刊名	PHOTOACOUSTICS
	2021-03-01
卷号	21
关键词	Photoacoustic spectrometer Absorption coefficient Aerosol Nitrogen dioxide
ISSN号	2213-5979
DOI	10.1016/j.pacs.2020.100229
通讯作者	Liu, Kun(liukun@aiofm.ac.cn) ; Gao, Xiaoming(xmgao@aiofm.ac.cn)
英文摘要	Measurement of ambient aerosol and nitrogen dioxide (NO2) is important as they are major pollutants from the burning of fossil fuel and biomass. In the present work, a differential photoacoustic spectrometer (D-PAS) was developed for simultaneous, online measurements of aerosol optical absorption and NO2 concentration. A novel photoacoustic resonator was designed and employed in the D-PAS for controlling a large flow rate, improving response time, and keeping the flow noise at a low level. The detection limits of 1.0 Mm-1 and 0.87 ppb for aerosol absorption and NO2 concentration measurements were achieved with a lock-in amplifier time constant of 1 s. The D-PAS accuracy was demonstrated by performing a long-time, continuous measurement of aerosol, and NO2 in ambient air. The measured results of NO2 are consistent with the NOx analyzer and environmental monitoring station results.
资助项目	National Natural Science Foundation of China[41475023] ; National Natural Science Foundation of China[41730103] ; National Natural Science Foundation of China[41575030] ; National Key Research and Development Program of China[2016YFC0303900] ; National Key Research and Development Program of China[2017YFC0209700]
WOS关键词	OPTICAL-PROPERTIES ; LIGHT-ABSORPTION ; NITROGEN-DIOXIDE ; SPECTROSCOPY ; CALIBRATION ; UV ; SOOT ; CELL
WOS研究方向	Acoustics ; Engineering ; Instruments & Instrumentation ; Radiology, Nuclear Medicine & Medical Imaging
语种	英语
出版者	ELSEVIER GMBH
WOS记录号	WOS:000653150000003
资助机构	National Natural Science Foundation of China ; National Key Research and Development Program of China
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/122668]
专题	中国科学院合肥物质科学研究院
通讯作者	Liu, Kun; Gao, Xiaoming
作者单位	1.Univ Sci & Technol China, Sch Environm Sci & Optoelect Technol, Hefei 230031, Peoples R China 2.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, HFIPS, Hefei 230031, Peoples R China 3.Univ Littoral Cote dOpale, Lab Physicochim Atmosphere, 189A Av Maurice Schumann, F-59140 Dunkerque, France
推荐引用方式 GB/T 7714	Cao, Yuan,Liu, Qiang,Wang, Ruifeng,et al. Development of a 443 nm diode laser-based differential photoacoustic spectrometer for simultaneous measurements of aerosol absorption and NO2[J]. PHOTOACOUSTICS,2021,21.
APA	Cao, Yuan.,Liu, Qiang.,Wang, Ruifeng.,Liu, Kun.,Chen, Weidong.,...&Gao, Xiaoming.(2021).Development of a 443 nm diode laser-based differential photoacoustic spectrometer for simultaneous measurements of aerosol absorption and NO2.PHOTOACOUSTICS,21.
MLA	Cao, Yuan,et al."Development of a 443 nm diode laser-based differential photoacoustic spectrometer for simultaneous measurements of aerosol absorption and NO2".PHOTOACOUSTICS 21(2021).