Issue 77, 2018

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

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

Supplementary files

Article information

Article type
Communication
Submitted
18 Jul 2018
Accepted
05 Sep 2018
First published
06 Sep 2018

Chem. Commun., 2018,54, 10905-10908

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, 54, 10905 DOI: 10.1039/C8CC05793A

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