Photo-Fenton Degradation of Nitroaromatic Explosives by Light-Powered Hematite Microrobots: When Higher Speed Is Not What We Go For
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43210%2F21%3A43920185" target="_blank" >RIV/62156489:43210/21:43920185 - isvavai.cz</a>
Alternative codes found
RIV/00216305:26620/21:PU142065
Result on the web
<a href="https://doi.org/10.1002/smtd.202100617" target="_blank" >https://doi.org/10.1002/smtd.202100617</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1002/smtd.202100617" target="_blank" >10.1002/smtd.202100617</a>
Alternative languages
Result language
angličtina
Original language name
Photo-Fenton Degradation of Nitroaromatic Explosives by Light-Powered Hematite Microrobots: When Higher Speed Is Not What We Go For
Original language description
Self-powered micromachines are considered a ground-breaking technology for environmental remediation. Light-powered Janus microrobots based on photocatalytic semiconductors asymmetrically covered with metals have recently received great interest as they can exploit light to move and contemporarily degrade pollutants in water. Although various metals have been explored and compared to design Janus microrobots, the influence of the metal layer thickness on motion behavior and photocatalytic properties of microrobots have not been investigated yet. Here, light-driven hematite/Pt Janus microrobots are reported and fabricated by depositing Pt layers with different thickness on hematite microspheres produced by hydrothermal synthesis. It has been demonstrated that the thicker the metal layer the higher the microrobots speed. However, when employed for the degradation of nitroaromatic explosives pollutants through the photo-Fenton mechanism, higher rate of H2O2 consumption leads to higher propulsion speed of microrobots and lower pollutants degradation efficiencies owing to less H2O2 involved in the photo-Fenton reaction. This work presents new insights into the motion behavior of light-powered Janus micromotors and demonstrates that high speed is not what really matters for water purification via photo-Fenton reaction, which is important for the future environmental applications of micromachines.
Czech name
—
Czech description
—
Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Small Methods
ISSN
2366-9608
e-ISSN
—
Volume of the periodical
5
Issue of the periodical within the volume
10
Country of publishing house
US - UNITED STATES
Number of pages
9
Pages from-to
2100617
UT code for WoS article
000691904600001
EID of the result in the Scopus database
2-s2.0-85114042055