Generation of (H2O2)N clusters on argon and ice nanoparticles

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F21%3A00538219" target="_blank" >RIV/61388955:_____/21:00538219 - isvavai.cz</a>
Alternative codes found
RIV/00216208:11320/21:10431132
Result on the web
<a href="http://hdl.handle.net/11104/0316043" target="_blank" >http://hdl.handle.net/11104/0316043</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.ijms.2020.116514" target="_blank" >10.1016/j.ijms.2020.116514</a>

Result language
angličtina
Original language name
Generation of (H2O2)N clusters on argon and ice nanoparticles
Original language description
Hydrogen peroxide is a highly reactive and relatively unstable molecule, therefore pure (H2O2)N clusters are difficult to generate. In order to investigate the solvent effects on the H2O2 reactivity, experiments with H2O2 clusters are desirable. We have generated (H2O2)N clusters on free nanoparticles in molecular beams using a pickup technique. The individual H2O2 molecules were evaporated from the stable complex of urea with hydrogen peroxide (UHP) and they were picked up by ArM and (H2O)M nanoparticles in a molecular beam prepared by supersonic expansion. The clusters were probed by the time-of-flight mass spectrometry after electron ionization. The mass spectra showed that several H2O2 molecules could be deposited on both ArM and (H2O)M nanoparticles. On ArM, they coagulate and generate (H2O2)N clusters with N ≥ 20, while on ice nanoparticles the coagulation is inhibited on the timescale of our experiment (∼ 0.7 ms). The mass spectra suggest that there is no significant contamination of the (H2O2)N clusters with oxygen and water, which would be the products of H2O2 thermal decomposition. The proposed method represents a way of producing (H2O2)N clusters for future experiments.
Czech name
—
Czech description
—

Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10403 - Physical chemistry

Project
<a href="/en/project/GA19-14105S" target="_blank" >GA19-14105S: Heterogeneous reactions of the atmospheric radicals on clusters.</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Similar results(10)