k 2014

Generation of novel 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

MAWALE, Ravi, Filippo AMATO, Milan ALBERTI and Josef HAVEL

Basic information

Original name

Generation of novel 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

Authors

MAWALE, Ravi (356 India), Filippo AMATO (380 Italy), Milan ALBERTI (203 Czech Republic, belonging to the institution) and Josef HAVEL (203 Czech Republic, guarantor, belonging to the institution)

Edition

ESAS 2014, Prague, Czech Republic, 2014

Other information

Language

English

Type of outcome

Prezentace na konferencích

Field of Study

10406 Analytical chemistry

Country of publisher

Czech Republic

Confidentiality degree

není předmětem státního či obchodního tajemství

RIV identification code

RIV/00216224:14310/14:00074302

Organization unit

Faculty of Science

Keywords in English

mass spectrometry; laser ablation synthesis; clusters

Tags

International impact, Reviewed
Změněno: 28/4/2015 09:28, Ing. Andrea Mikešková

Abstract

V originále

Gold, tellurium and silver are found in nature either in their native state or in alloy with other metals. Gold tellurides are known as various minerals such as calaverite, krennerite (AuTe2) and montebrazite (Au2Te3). Silver tellurides are known as hessite (Ag2Te) and empressite (AgTe). Sylvanites (AuAgTe4) and mutmannite (AuAgTe2) are the ores of gold, silver and telluride. Laser ablation synthesis (LAS) was proved to be powerful technique for the generation and study of clusters from various materials. In addition, structural fragments of solid materials have been identified using laser desorption ionisation time-of-flight mass spectrometry (LDI-TOF-MS) for example. The aim of this work was to study the formation of binary AupAgq, AgqTer, AupTer and ternary AupAgqTer clusters generated via LAS of Au-Ag-Te mixture and/or composite material. Gold and silver nanoparticles were mixed with powder of metallic tellurium in different ratio and formation of clusters was followed with a mass spectrometer equipped with quadrupole ion trap, reflectron and time of flight analyser. The stoichiometry of the detected AupAgqTer clusters was found via modelling of the isotopic patterns and around 70 different binary and ternary clusters were identified. Generation of AupAgqTer clusters and knowledge of the stoichiometry might be important for the development of new materials with specific properties.

Links

ED2.1.00/03.0086, research and development project
Name: Regionální VaV centrum pro nízkonákladové plazmové a nanotechnologické povrchové úpravy
GA13-05082S, research and development project
Name: Analýza a aplikace plazmatických procesů pro přípravu tenkých vrstev amorfních chalkogenidů
Investor: Czech Science Foundation