Multifunctional photoelectroactive platform for CO2 reduction toward C2+ products-programmable selectivity with a bioinspired polymer coating
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F22%3A00552632" target="_blank" >RIV/61389013:_____/22:00552632 - isvavai.cz</a>
Alternative codes found
RIV/60461373:22310/22:43924155 RIV/60461373:22810/22:43924155
Result on the web
<a href="https://pubs.acs.org/doi/10.1021/acscatal.1c03629" target="_blank" >https://pubs.acs.org/doi/10.1021/acscatal.1c03629</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1021/acscatal.1c03629" target="_blank" >10.1021/acscatal.1c03629</a>
Alternative languages
Result language
angličtina
Original language name
Multifunctional photoelectroactive platform for CO2 reduction toward C2+ products-programmable selectivity with a bioinspired polymer coating
Original language description
In recent years, CO2 photo/electroreduction has received great attention due to the urges and concerns to solve problems connected with global warming, for example, reducing the consumption of fossil fuels as energy sources and switching to renewable energy sources. The realization of this technology depends on efficient photo/electrocatalysts with high selectivity for the products. Herein, we report a programmable, bifunctional, scalable, high-performance, and low-cost bioinspired catalyst for photo/electrochemical CO2 reduction (P/EC-R). We synthesized hydroxyapatite (HAP) needle-like nanoparticles coated with a functional polydopamine polymer (HAP/P(DOPA)) and then modified them with copper nanoparticles (HAP/P(DOPA)/Cu NPs). It was expected that HAP and P(DOPA), due to their plentiful functional groups such as hydroxyl (−OH–), oxygen (−O•– and ═O), and amines (−NH2 and −NH−), provide extensive active catalytic sites, participate in the capture, maintenance, and hydrogenation of the CO2 intermediate, and offer a combination of efficient electrical conduction and photoactivity and synergistic effect together with Cu nanoparticles, thus potentially empowering CO2 P/EC-R. Interestingly, varying the polymerization time of the coating layer (P(DOPA)) leads to different product selectivities in both photoelectrochemical and electrochemical reactions. In a shorter polymerization period (2 h), CO (>83%) is the main product, while for 5 and 15 h, C2H6 (>70%) and CH4 (>74%) are the main products, respectively. It is noteworthy to mention that as the applied potential increased (>−1.2 V vs RHE), propanal (C3H6O, FE > 35%) and surprisingly ethyl acetate (C4H8O2, FE > 67%) have been detected. This is the first report on the C4 product.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10404 - Polymer science
Result continuities
Project
<a href="/en/project/GA20-20201S" target="_blank" >GA20-20201S: Layered material-based micromachines: Towards Biomedical and Environmental Applications</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
ACS Catalysis
ISSN
2155-5435
e-ISSN
2155-5435
Volume of the periodical
12
Issue of the periodical within the volume
2
Country of publishing house
US - UNITED STATES
Number of pages
14
Pages from-to
1558-1571
UT code for WoS article
000743230900001
EID of the result in the Scopus database
2-s2.0-85123380803