| MAWALE, Ravi, Filippo AMATO, Milan ALBERTI a Josef HAVEL. Generation of AupAgqTer clusters via laser ablation synthesis using Au-Ag- Te nano-composite as precursor: Laser desorption ionisation with quadrupole ion trap time-of-flight mass spectrometry. Rapid Communications in Mass Spectrometry. Wiley, 2014, roč. 28, č. 14, s. 1601-1608. ISSN 0951-4198. Dostupné z: https://dx.doi.org/10.1002/rcm.6936. |
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@article{1173224,
author = {Mawale, Ravi and Amato, Filippo and Alberti, Milan and Havel, Josef},
article_number = {14},
doi = {http://dx.doi.org/10.1002/rcm.6936},
keywords = {Mass spectrometry; Tellurium; nano-composite},
language = {eng},
issn = {0951-4198},
journal = {Rapid Communications in Mass Spectrometry},
title = {Generation of AupAgqTer clusters via laser ablation synthesis using Au-Ag- Te nano-composite as precursor: Laser desorption ionisation with quadrupole ion trap time-of-flight mass spectrometry},
volume = {28},
year = {2014}
}
TY - JOUR
ID - 1173224
AU - Mawale, Ravi - Amato, Filippo - Alberti, Milan - Havel, Josef
PY - 2014
TI - Generation of AupAgqTer clusters via laser ablation synthesis using Au-Ag- Te nano-composite as precursor: Laser desorption ionisation with quadrupole ion trap time-of-flight mass spectrometry
JF - Rapid Communications in Mass Spectrometry
VL - 28
IS - 14
SP - 1601-1608
EP - 1601-1608
PB - Wiley
SN - 09514198
KW - Mass spectrometry
KW - Tellurium
KW - nano-composite
N2 - RATIONALE: Metal tellurides show applications in various fields of science and technology while only limited number of gold-silver tellurides is known. Laser ablation synthesis (LAS) method allows preparation of nano-materials from solid substrates. Therefore, this method was selected to synthesize gold-silver tellurides. METHODS: Laser desorption ionisation quadruple ion trap time-of-flight mass spectrometry (LDI QIT TOF MS) was used for generation of new AupAgqTer clusters. Scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX) were used to characterize the materials. The stoichiometry of clusters generated was determined via collision-induced dissociation (CID) and modeling of isotopic patterns. RESULTS: Chemisorption of gold and silver nano-particles on tellurium powder leads to the formation of a new kind of Au-Ag-Te nano-composite. The LDI of this nano-composite leads to the formation of 9 unary (Agq, Ter), 40 binary (AupTer and AgpTer) and 78 ternary clusters. The stoichiometry of novel AupAgqTer clusters is reported here for the first time. CONCLUSIONS: New Au-Ag-Te nano-composite was found as more suitable precursor for clusters generation than the mixtures of the elements. TOF MS was demonstrated to be a useful technique to follow the generation of gold-silver tellurides. Knowledge of clusters stoichiometry might accelerate further development of novel high-tech materials such as chalcogenide glasses.
ER -
MAWALE, Ravi, Filippo AMATO, Milan ALBERTI a Josef HAVEL. Generation of AupAgqTer clusters via laser ablation synthesis using Au-Ag- Te nano-composite as precursor: Laser desorption ionisation with quadrupole ion trap time-of-flight mass spectrometry. \textit{Rapid Communications in Mass Spectrometry}. Wiley, 2014, roč.~28, č.~14, s.~1601-1608. ISSN~0951-4198. Dostupné z: https://dx.doi.org/10.1002/rcm.6936.
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