Raffaella Buonsanti

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Emerging collaborations at the forefront of growth in electrochemical synthesis

Raffaella Buonsanti

CELL PRESS2021

Copper Nanocrystal Morphology Determines the Viability of Molecular Surface Functionalization in Tuning Electrocatalytic Behavior in CO2 Reduction

Raffaella Buonsanti, James Richard Pankhurst, Valery Okatenko, Pranit Srinivas Iyengar

Molecular surface functionalization of metallic catalysts is emerging as an ever-developing approach to tuning their catalytic performance. Here, we report the synthesis of hybrid catalysts comprising copper nanocrystals (CuNCs) and an imidazolium ligand f ...

2021

Real-time Monitoring Reveals Dissolution/Redeposition Mechanism in Copper Nanocatalysts during the Initial Stages of the CO2 Reduction Reaction

Raffaella Buonsanti, Vasiliki Tileli, Dragos-Constantin Stoian, Tzu-Hsien Shen, Jan Vávra

Size, morphology, and surface sites of electrocatalysts have a major impact on their performance. Understanding how, when, and why these parameters change under operating conditions is of importance for designing stable, active, and selective catalysts. He ...

Wiley-VCH Verlag GmbH2021

Colloidal Nanocrystals as Precursors and Intermediates in Solid State Reactions for Multinary Oxide Nanomaterials

Raffaella Buonsanti, Anna Loiudice, Valeria Mantella

Polyelemental compounds with dimensions in the nanosized regime are desirable in a large variety of applications, yet their synthesis remains a general challenge in chemistry. One of the major bottlenecks to obtaining multinary systems is the complexity of ...

2021

Copper, my precious!

Raffaella Buonsanti

To produce chemicals and fuels from CO2 and water while storing excess energy from renewable resources will play a big role in sustainability. Three decades ago, we learned that copper possesses the unique ability to break the stable CO2 bonds and to form ...

NATURE PORTFOLIO2021

Elucidating the structure-dependent selectivity of CuZn towards methane and ethanol in CO2 electroreduction using tailored Cu/ZnO precatalysts

Raffaella Buonsanti, Seyedehbehnaz Varandili, Kevin Rossi, Dragos-Constantin Stoian, Jan Vávra, James Richard Pankhurst, Yannick Thomas Guntern

Understanding the catalyst compositional and structural features that control selectivity is of uttermost importance to target desired products in chemical reactions. In this joint experimental-computational work, we leverage tailored Cu/ZnO precatalysts a ...

2021

The Inorganic Chemistry of Nanoparticles

Raffaella Buonsanti

2021

Developing the Chemistry of Colloidal Cu Nanocrystals to Advance the CO2 Electrochemical Reduction

Raffaella Buonsanti

The ability to tailor make materials with atomic scale precision is crucial for understanding the sensitivities of their performance parameters and for achieving the design specification corresponding to optimal device operation. Herein, this topic is disc ...

SWISS CHEMICAL SOC2021

Colloidal Nanocrystals as Electrocatalysts with Tunable Activity and Selectivity

Raffaella Buonsanti, Seyedehbehnaz Varandili, Cedric David Koolen, Dragos-Constantin Stoian, Jan Vávra, James Richard Pankhurst, Valery Okatenko, Pranit Srinivas Iyengar

Correlating the catalyst activity, selectivity, and stability with its structure and composition is of the utmost importance in advancing the knowledge of heterogeneous electrocatalytic processes for chemical energy conversion. Well-defined colloidal nanoc ...

2021

A method for producing an oxide shell around nanocrystals

Raffaella Buonsanti, Anna Loiudice

The present invention relates to a method for producing core-shell nanocrystals consisting of a metal-containing nanocrystal core and a shell layer comprising at least one metal oxide material having variable shell thicknesses, and use of the core-shell na ...

2020

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Real-time Monitoring Reveals Dissolution/Redeposition Mechanism in Copper Nanocatalysts during the Initial Stages of the CO2 Reduction Reaction

Raffaella Buonsanti, Vasiliki Tileli, Dragos-Constantin Stoian, Tzu-Hsien Shen, Jan Vávra

Wiley-VCH Verlag GmbH2021

Elucidating the structure-dependent selectivity of CuZn towards methane and ethanol in CO2 electroreduction using tailored Cu/ZnO precatalysts

Raffaella Buonsanti, Seyedehbehnaz Varandili, Kevin Rossi, Dragos-Constantin Stoian, Jan Vávra, James Richard Pankhurst, Yannick Thomas Guntern

2021

Emerging collaborations at the forefront of growth in electrochemical synthesis

Raffaella Buonsanti

CELL PRESS2021

Copper Nanocrystal Morphology Determines the Viability of Molecular Surface Functionalization in Tuning Electrocatalytic Behavior in CO2 Reduction

Raffaella Buonsanti, James Richard Pankhurst, Valery Okatenko, Pranit Srinivas Iyengar

2021