Copéret Group / @coperetgroup.bsky.social
@CoperetGroup
Followers
3K
Following
606
Media
90
Statuses
1K
Student-run twitter account of the Copéret Group @ ETH Zürich. bluesky: @coperetgroup.bsky.social
Zurich, Switzerland
Joined June 2017
NMR Signatures of Transition-Metal Nuclei: From Local Environments and Electronic Structures to Reactivity Descriptors in Molecular and Heterogeneous Catalysis | JACS Au
pubs.acs.org
This Perspective summarizes the current state of the art in understanding the local environments of metal sites across homogeneous and heterogeneous catalysts by means of solid-state nuclear magnetic...
0
6
30
Thanks to the Software for Chemistry & Materials (SCM) for highlighting our recent work on Pt SAC in their website. Adf computations were used to translate the SACs NMR fingerprints into chemical information on their coordination environments.
scm.com
0
3
15
RT @catalysis_eth: Thanks to Tim Wogan for the report on our study @ChemistryWorld . @catalysis_eth @CoperetGroup….
chemistryworld.com
Research could improve single-atom catalyst design
0
7
0
Tellurium flips the script - transforming abundant transition metals into low-temp RWGS catalysts rivaling platinum. CoTe & NiTe hit near-equilibrium CO₂ conversion with >98% CO selectivity. @J_A_C_S .
pubs.acs.org
The reverse water–gas shift (RWGS) reaction is a pivotal industrial process that is central to CO2 utilization. It typically relies on rare platinum group metal catalysts and high temperatures (over...
1
9
41
Doping the alumina-supported PtGa propane dehydrogenation catalyst with Si increases its stability, as a result of a change in the coking mechanism and carbon dynamics. Read our work in @J_A_C_S .
pubs.acs.org
The exploitation of shale gas has stimulated the use of on-purpose propane dehydrogenation (PDH) technologies. These technologies rely on continuous and rapid catalyst regeneration to maintain high...
1
5
42
RT @J_A_C_S: Surface Enhanced Nuclear Magnetic Resonance Spectroscopy at Solid–Liquid Interfaces Using Overhauser Dynamic Nuclear Polarizat….
pubs.acs.org
While solid–liquid interfaces are ubiquitous, detecting the associated surface sites under ambient conditions remains a grand challenge. Here, we demonstrate an approach to efficiently enhance the...
0
6
0
DNP NMR at solid-liquid interfaces is now possible!. In this collaborative work we applied Overhauser DNP to a supported catalyst to gain molecular understanding of interfacial chemistry. @J_A_C_S @EPFL .
pubs.acs.org
While solid–liquid interfaces are ubiquitous, detecting the associated surface sites under ambient conditions remains a grand challenge. Here, we demonstrate an approach to efficiently enhance the...
0
2
33
RT @Nature: Nature research paper: Coordination environments of Pt single-atom catalysts from NMR signatures.
nature.com
Nature - This study presents a nuclear magnetic resonance-based method to determine local structure and bonding of Pt single-atom catalysts.
0
18
0
This study has been possible thanks to an amazing set of collaborators at ETH Zurich (@catalysis_eth), @crmn_lyon and @AarhusUni_int , participating in the @NCCR_Catalysis and a joint ANR-@snsf_ch research program.
0
0
1
Are Single Atom Catalysts (SACs) Single-Sites? Not really according to our latest development in 195Pt ssNMR, now out in @Nature. Our methodology enables to understand the nature and distribution of the coordination environment of Pt SACs!
nature.com
Nature - This study presents a nuclear magnetic resonance-based method to determine local structure and bonding of Pt single-atom catalysts.
2
15
75
Congratulations to Yuya, our synthesis-sensei and NCS analysis champion for the successful defence of his PhD thesis. He studied spectroscopic descriptors for reactivity of olefin conversion catalysts.
0
2
34
RT @J_A_C_S: 13C Chemical Shift of N-Heterocyclic Carbenes in Coinage Metal(I) Complexes and Clusters: trans-Influence and Spin–Orbit Coupl….
pubs.acs.org
N-Heterocyclic carbenes (NHCs) are versatile ligands in organometallic chemistry, prized for their strong σ-donating and tunable electronic properties. They are used to stabilize a wide range of...
0
11
0
N-Heterocyclic Carbenes are ubiquitous ligands.in coinage metals complexes and clusters. This work provides insights into how structural and electronic factors govern their carbene 13C chemical shift. @J_A_C_S .
pubs.acs.org
N-Heterocyclic carbenes (NHCs) are versatile ligands in organometallic chemistry, prized for their strong σ-donating and tunable electronic properties. They are used to stabilize a wide range of...
0
13
60
Congrats to Christian, our orbitals Master and organic Chemistry connoisseur, for his PhD defence! He worked on the the preparation of precursors for heterogeneous catalysts, and their application in deoxygenation processes!
0
2
55
RT @J_A_C_S: 2H Quadrupolar Coupling Constant: A Spectroscopic Ruler for Transition Metal–Hydride Bond Distances in Molecular and Surface S….
pubs.acs.org
Transition metal hydrides (TMHs) find numerous applications across fields from catalysis to H2 storage. Yet, determining the structure of TMHs can remain a challenge, as hydrogen is difficult to...
0
5
0
In this work we show how solid-state deuterium NMR can be used to gauge metal-hydride distances in molecular and surface sites, where neutron diffraction techniques are challenging! You find our work in @J_A_C_S .
pubs.acs.org
Transition metal hydrides (TMHs) find numerous applications across fields from catalysis to H2 storage. Yet, determining the structure of TMHs can remain a challenge, as hydrogen is difficult to...
0
5
57
Our group delegation at ENC - ISMAR to discuss state of the art ssNMR!
0
1
18
RT @J_A_C_S: Conversion of Syngas to Ethanol over a RhFe Alloy Catalyst | Journal of the American Chemical Society @ETH_en @ETH_DCHAB @Cope….
pubs.acs.org
The direct conversion of syngas to ethanol is a promising route for the sustainable production of value-added chemicals and fuels. While Fe-promoted Rh-based catalysts have long been studied because...
0
4
0
In our newest article we uncover the role of RhFe alloy for boosting the ethanol synthesis from syngas conversion. Read more in @J_A_C_S .
pubs.acs.org
The direct conversion of syngas to ethanol is a promising route for the sustainable production of value-added chemicals and fuels. While Fe-promoted Rh-based catalysts have long been studied because...
0
5
36