Carlo Lamberti
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View article: CCDC 2177618: Experimental Crystal Structure Determination
CCDC 2177618: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Cu- and Fe-speciation in a composite zeolite catalyst for selective catalytic reduction of NO<sub>x</sub>: insights from <i>operando</i> XAS
Cu- and Fe-speciation in a composite zeolite catalyst for selective catalytic reduction of NO<sub>x</sub>: insights from <i>operando</i> XAS Open
Cu-SAPO-34 (Cu-CZC) and Fe-mordenite (Fe-MOR) and their mechanical mixture (50 : 50) have been exhaustively investigated by means of operando X-ray absorption spectroscopy under NH3-SCR conditions.
View article: <i>Quo vadis niobium</i>? Divergent coordination behavior of early-transition metals towards MOF-5
<i>Quo vadis niobium</i>? Divergent coordination behavior of early-transition metals towards MOF-5 Open
Despite its prevalence, cation exchange is not the only immobilization pathway for foreign cations in the epochal MOF-5 metal–organic framework.
View article: Disclosing the Properties of a New Ce(III)-Based MOF: Ce<sub>2</sub>(NDC)<sub>3</sub>(DMF)<sub>2</sub>
Disclosing the Properties of a New Ce(III)-Based MOF: Ce<sub>2</sub>(NDC)<sub>3</sub>(DMF)<sub>2</sub> Open
The new Ce(III) based metal–organic framework Ce2(NDC)3(DMF)2, containing the simple ditopic linker napthalenedicarboxylate (NDC2–), has been synthesized under solvothermal reaction conditions with high purity and yield. Its crystal struct…
View article: Exact Stoichiometry of Ce<sub><i>x</i></sub>Zr<sub>6–<i>x</i></sub> Cornerstones in Mixed-Metal UiO-66 Metal–Organic Frameworks Revealed by Extended X-ray Absorption Fine Structure Spectroscopy
Exact Stoichiometry of Ce<sub><i>x</i></sub>Zr<sub>6–<i>x</i></sub> Cornerstones in Mixed-Metal UiO-66 Metal–Organic Frameworks Revealed by Extended X-ray Absorption Fine Structure Spectroscopy Open
Bimetallic Ce/Zr-UiO-66 metal-organic frameworks (MOFs) proved to be promising materials for various catalytic redox applications, representing, together with other bimetallic MOFs, a new generation of porous structures. However, no direct…
View article: Understanding and Optimizing the Performance of Cu‐FER for The Direct CH<sub>4</sub> to CH<sub>3</sub>OH Conversion
Understanding and Optimizing the Performance of Cu‐FER for The Direct CH<sub>4</sub> to CH<sub>3</sub>OH Conversion Open
Cu‐exchanged zeolites with the Ferrierite topology were investigated in the direct CH 4 to CH 3 OH conversion. Samples with a systematic compositional variation in terms of Na/Al and Cu/Al ratios where synthesized by liquid ion exchange. T…
View article: Molecular Niobium Precursors in Various Oxidation States: An XAS Case Study
Molecular Niobium Precursors in Various Oxidation States: An XAS Case Study Open
Although X-ray absorption spectroscopy (XAS) has become an indispensable tool in characterization of solid-state materials, it is less of a staple in molecular chemistry of niobium. Scattering X-ray techniques remain relatively unexplored …
View article: Autoluminescent Metal–Organic Frameworks (MOFs): Self-Photoemission of a Highly Stable Thorium MOF
Autoluminescent Metal–Organic Frameworks (MOFs): Self-Photoemission of a Highly Stable Thorium MOF Open
A novel thorium(IV) metal-organic framework (MOF), Th(2,6-naphtalenedicarboxylate)2, has been synthesized via solvothermal reaction of thorium nitrate and 2,6-naphtalendicarboxilyc acid. This compound shows a new structural arrangement wit…
View article: Materials characterization by synchrotron x-ray microprobes and nanoprobes
Materials characterization by synchrotron x-ray microprobes and nanoprobes Open
The Moore's law trajectory of hard x-ray spatial resolution extrapolates to a few nanometers within the next few years, thereby promising critical space-resolved structural, electronic, and compositional nanoscale characterizations for a w…
View article: Characterization of local atomic structure in Co/Zn based ZIFs by XAFS
Characterization of local atomic structure in Co/Zn based ZIFs by XAFS Open
The local atomic structure in bimetallic Co/Zn zeolitic imidazolate frameworks (ZIFs) was studied using X-ray Absorption Fine Structure (XAFS) spectroscopy and theoretical calculations. The experimental Co K-edge and Zn K-edge XANES (X-ray…
View article: Time-resolved operando studies of carbon supported Pd nanoparticles under hydrogenation reactions by X-ray diffraction and absorption
Time-resolved operando studies of carbon supported Pd nanoparticles under hydrogenation reactions by X-ray diffraction and absorption Open
We present a comprehensive study of a 5 wt% Pd/C catalyst in various environments by usingin situandoperandoX-ray absorption and diffraction.
View article: <i>Operando</i> study of palladium nanoparticles inside UiO-67 MOF for catalytic hydrogenation of hydrocarbons
<i>Operando</i> study of palladium nanoparticles inside UiO-67 MOF for catalytic hydrogenation of hydrocarbons Open
Formation of Pd nanoparticles inside UiO-67 MOF was monitored by in situ X-ray absorption and diffraction.
View article: Cu-CHA – a model system for applied selective redox catalysis
Cu-CHA – a model system for applied selective redox catalysis Open
We review the structural chemistry and reactivity of copper-exchanged molecular sieves with chabazite (CHA) topology, as an industrially applied catalyst in ammonia mediated reduction of harmful nitrogen oxides (NH3-SCR) and as a general m…
View article: Theory as a driving force to understand reactions on nanoparticles: general discussion
Theory as a driving force to understand reactions on nanoparticles: general discussion Open
International audience
View article: CCDC 1548792: Experimental Crystal Structure Determination
CCDC 1548792: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Computational Assessment of Relative Sites Stabilities and Site-Specific Adsorptive Properties of Titanium Silicalite-1
Computational Assessment of Relative Sites Stabilities and Site-Specific Adsorptive Properties of Titanium Silicalite-1 Open
Titanium Silicalite-1 (TS-1), because of its crystalline structure and its well-defined Ti sites, represents the prototype of a single site catalyst. According to this fundamental aspect and to the relevant role of TS-1 as selective cataly…
View article: A Systematic Study of Isomorphically Substituted H‐MAlPO‐5 Materials for the Methanol‐to‐Hydrocarbons Reaction
A Systematic Study of Isomorphically Substituted H‐MAlPO‐5 Materials for the Methanol‐to‐Hydrocarbons Reaction Open
Substituting metals for either aluminum or phosphorus in crystalline, microporous aluminophosphates creates Brønsted acid sites, which are well known to catalyze several key reactions, including the methanol to hydrocarbons (MTH) reaction.…
View article: Selective Catalytic Olefin Epoxidation with Mn<sup>II</sup>-Exchanged MOF-5
Selective Catalytic Olefin Epoxidation with Mn<sup>II</sup>-Exchanged MOF-5 Open
Partial substitution of ZnII by MnII in Zn4O(terephthalate)3 (MOF-5) leads to a distorted all-oxygen ligand field supporting a single MnII site, whose structure was confirmed by Mn K-edge X-ray absorption spectroscopy. The MnII ion at the …
View article: Methane to Methanol: Structure–Activity Relationships for Cu-CHA
Methane to Methanol: Structure–Activity Relationships for Cu-CHA Open
Cu-exchanged zeolites possess active sites that are able to cleave the C-H bond of methane at temperatures ≤200 °C, enabling its selective partial oxidation to methanol. Herein we explore this process over Cu-SSZ-13 materials. We combine a…
View article: Ligands Make the Difference! Molecular Insights into Cr<sup>VI</sup>/SiO<sub>2</sub> Phillips Catalyst during Ethylene Polymerization
Ligands Make the Difference! Molecular Insights into Cr<sup>VI</sup>/SiO<sub>2</sub> Phillips Catalyst during Ethylene Polymerization Open
Operando-sensitive spectroscopic techniques were employed for investigating the changes in the molecular structure of the Cr sites in the CrVI/SiO2 Phillips catalyst during ethylene polymerization. Practically, the most arduous barrier to …
View article: Maskless X-Ray Writing of Electrical Devices on a Superconducting Oxide with Nanometer Resolution and Online Process Monitoring
Maskless X-Ray Writing of Electrical Devices on a Superconducting Oxide with Nanometer Resolution and Online Process Monitoring Open
X-ray nanofabrication has so far been usually limited to mask methods involving photoresist impression and subsequent etching. Herein we show that an innovative maskless X-ray nanopatterning approach allows writing electrical devices with …
View article: Redox‐Driven Migration of Copper Ions in the Cu‐CHA Zeolite as Shown by the In Situ PXRD/XANES Technique
Redox‐Driven Migration of Copper Ions in the Cu‐CHA Zeolite as Shown by the In Situ PXRD/XANES Technique Open
Using quasi‐simultaneous in situ PXRD and XANES, the direct correlation between the oxidation state of Cu ions in the commercially relevant deNO x NH 3 ‐SCR zeolite catalyst Cu‐CHA and the Cu ion migration in the zeolitic pores was reveale…