期刊
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
卷 114, 期 -, 页码 242-250出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2019.03.012
关键词
Photochemical vapor generation; Nanomaterial; TiO2; Metal-organic frameworks; Photocatalyst; Atomic absorption spectrometry; Atomic emission spectrometry; Atomic fluorescence spectrometry; Inductively coupled plasma; Microplasma
资金
- National Natural Science Foundation of China [21427810, 21775105]
- Ministry of Education of China through the 111 Project [B17030]
- Fundamental Research Funds for Central Universities [2016SCU04A12]
Chemical vapor generation (CVG) is widely used in analytical atomic spectrometry, with advantages of high efficiency of sample introduction (vapor generation and transportation) and matrix separation. Photochemical vapor generation (Photo-CVG) is a new subset of CVG and it has been demonstrated a powerful alternative to conventional CVG techniques due to its inherent advantages. For a long time, most research works have been devoted to improving vapor generation efficiency and expanding the vaporable element scope of Photo-CVG. Nowadays, with the help of nanomaterials and enhancement reagents, Photo-CVG covers a wide range of detectable elements and the vapor generation efficiency of some elements has been improved significantly. In this review, we summarizes the developments and applications of nanomaterials/enhancement reagents assisted Photo-CVG for analytical atomic spectrometry, including TiO2 and TiO2-based composites, MOFs and some metal ions utilized as photocatalysts, photo-oxidation/reduction and enhancement reagents; as well as nanomaterials for preconcentration/separation in Photo-CVG systems. (C) 2019 Elsevier B.V. All rights reserved.
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