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Hot electron transfer promotes ion production in plasmonic metal nanostructure assisted laser desorption ionization mass spectrometry

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Abstract

Plasmonic metal nanostructures have been used as effective materials for enhancing the laser desorption ionization (LDI) efficiency in mass spectrometry analysis. But the ionization mechanism and the origin of initial charges have not been fully understood yet. Here we provided experimental evidence showing that the hot electron transfer in localized surface plasmon resonance (LSPR) plays a key role in ionizing molecules during the LDI process.

Graphical abstract: Hot electron transfer promotes ion production in plasmonic metal nanostructure assisted laser desorption ionization mass spectrometry

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Publication details

The article was received on 18 Jul 2018, accepted on 05 Sep 2018 and first published on 06 Sep 2018


Article type: Communication
DOI: 10.1039/C8CC05793A
Citation: Chem. Commun., 2018, Advance Article
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    Hot electron transfer promotes ion production in plasmonic metal nanostructure assisted laser desorption ionization mass spectrometry

    Y. Li, X. Cao, L. Zhan, J. Xue, J. Wang, C. Xiong and Z. Nie, Chem. Commun., 2018, Advance Article , DOI: 10.1039/C8CC05793A

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