Surface chemistry of atmospheric nanoparticles during a haze episode in Beijing by TOF-SIMS

Wenjun Li,Longyi Shao,Zhanping Li,Hong Li,Jian Gao,Jinjuan Li,Hao Zhang,Zhengzheng Zhang,Luis F.O. Silva,Mengyuan Zhang,Yizhen Chen,Marcos L.S. Oliveira

Gondwana Research（2022）

引用 6|浏览5

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摘要

•Surface components of particles during a haze episode are analyzed by TOF-SIMS.•Complex inorganic and organic species are detected on sample surface.•TOF-SIMS chemical mapping and SEM imaging facilitate individual particle analysis.•Source apportionment is conducted by TOF-SIMS mass spectra combined with PCA.

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关键词

Air pollution,Aerosol particles,Surface chemical composition,Source appointment,TOF–SIMS

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