Laser ablation synthesis of new gold arsenides using nano-gold and arsenic as precursors. Laser desorption ionisation time-of-flight mass spectrometry and spectrophotometry

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Authors

PROKEŠ Lubomír PEŇA MÉNDEZ Eladia Maria CONDE José Elias PANYALA Nagender Reddy ALBERTI Milan HAVEL Josef

Year of publication 2014
Type Article in Periodical
Magazine / Source Rapid Communications in Mass Spectrometry
MU Faculty or unit

Faculty of Science

Citation
Web http://onlinelibrary.wiley.com/doi/10.1002/rcm.6815/full
Doi http://dx.doi.org/10.1002/rcm.6815
Field Analytic chemistry
Keywords gold arsenide clusters; laser ablation synthesis; laser desorption ionisation; time of flight mass spectrometry
Description LAS of gold arsenides was performed using nano gold (NG) and arsenic as precursors. The clusters formed during laser desorption ionisation (LDI) were analysed by mass spectrometry using a quadrupole ion trap and reflectron time of flight analyser to determine the stoichiometry. UV VIS spectrophotometry was used to follow possible hydrothermal synthesis of gold arsenides. Over 450 species of gold arsenide clusters and 212 mixed chlorinated AumAsnClx clusters were detected and their stoichiometry determined.
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