{"title":"Development and Application of Photoionization Technology for Organic Analysis of Particulate Matter","authors":"Mengna Yuan, Junji Cao","doi":"10.1007/s41810-022-00130-z","DOIUrl":null,"url":null,"abstract":"<div><p>Photoionization (PI) is a soft ionization method that does not cause the production of molecular fragments from target materials. Applications of soft photoionization–mass spectrometric methods to molecular analysis are reviewed here. A non-selective photoionization technique (single-photon ionization, SPI) can be used to measure volatile compounds with molecular mass < 120 m/z, while a soft and selective technique (resonance enhanced multi-photon ionization, REMPI) is better suited for aromatic compounds whose molecular mass is > 100 m/z. The development of hyphenated thermal–optical analyzer photo-ionization time-of-flight mass spectrometers (PI-TOFMS) combined with REMPI and SPI methods has enabled the analyses of evolved gaseous species, and these advanced methods have led to new insights into the elemental and organic carbon in particulate matter. Nonetheless, technical developments in the REMPI/SPI–TOFMS framework are far from complete, and there are opportunities for the development of new process analysis applications.</p></div>","PeriodicalId":1,"journal":{"name":"Accounts of Chemical Research","volume":null,"pages":null},"PeriodicalIF":16.4000,"publicationDate":"2022-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Accounts of Chemical Research","FirstCategoryId":"93","ListUrlMain":"https://link.springer.com/article/10.1007/s41810-022-00130-z","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
Photoionization (PI) is a soft ionization method that does not cause the production of molecular fragments from target materials. Applications of soft photoionization–mass spectrometric methods to molecular analysis are reviewed here. A non-selective photoionization technique (single-photon ionization, SPI) can be used to measure volatile compounds with molecular mass < 120 m/z, while a soft and selective technique (resonance enhanced multi-photon ionization, REMPI) is better suited for aromatic compounds whose molecular mass is > 100 m/z. The development of hyphenated thermal–optical analyzer photo-ionization time-of-flight mass spectrometers (PI-TOFMS) combined with REMPI and SPI methods has enabled the analyses of evolved gaseous species, and these advanced methods have led to new insights into the elemental and organic carbon in particulate matter. Nonetheless, technical developments in the REMPI/SPI–TOFMS framework are far from complete, and there are opportunities for the development of new process analysis applications.
期刊介绍：
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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