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Raffaella Buonsanti

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Publications associées (79)

Nanocrystal/Metal–Organic Framework Hybrids as Electrocatalytic Platforms for CO2 Conversion

Mounir Driss Mensi, Raffaella Buonsanti, Pascal Alexander Schouwink, Valeria Mantella, Yannick Thomas Guntern, Jan Vávra, James Richard Pankhurst

The tunable chemistry linked to the organic/inorganic components in colloidal nanocrystals (NCs) and metal–organic frameworks (MOFs) offers a rich playground to advance the fundamental understanding of materials design for various applications. Herein, we ...

Wiley-VCH Verlag GmbH2019

Universal Oxide Shell Growth Enables in Situ Structural Studies of Perovskite Nanocrystals during the Anion Exchange Reaction

Seryio Saris, Raffaella Buonsanti, Anna Loiudice, Michal Stanislaw Strach

The ability to tune thin oxide coatings by wet-chemistry is desirable for many applications, yet it remains a key synthetic challenge. In this work, we introduce a general colloidal atomic layer deposition (c-ALD) synthesis to grow an alumina shell with tu ...

AMER CHEMICAL SOC2019

Structural Sensitivities in Bimetallic Catalysts for Electrochemical CO2 Reduction Revealed by Ag-Cu Nanodimers

Mounir Driss Mensi, Emad Oveisi, Raffaella Buonsanti, Jianfeng Huang, Valeria Mantella

Understanding the structural and compositional sensitivities of the electrochemical CO2 reduction reaction (CO2RR) is fundamentally important for developing highly efficient and selective electrocatalysts. Here, we use Ag/Cu nanocrystals to uncover the key ...

2019

A solid advance in electrolytes

Raffaella Buonsanti

NATURE PUBLISHING GROUP2019

Quantitative 3D determination of self-assembled structures on nanoparticles using small angle neutron scattering

Francesco Stellacci, Quy Ong Khac, Zhi Luo, Raffaella Buonsanti, Anna Loiudice

2018

Chemical transformations at the nanoscale: nanocrystal-seeded synthesis of beta-Cu2V2O7 with enhanced photoconversion efficiencies

Chethana Janardhana Gadiyar, Raffaella Buonsanti, Anna Loiudice, Pascal Alexander Schouwink, Michal Stanislaw Strach

2018

Hybrid materials based on colloidal nanocrystals: From synthesis to emerging properties for energy storage in chemical bonds

Raffaella Buonsanti

AMER CHEMICAL SOC2018

Potential-induced nanoclustering of metallic catalysts during electrochemical CO2 reduction

Emad Oveisi, Nicola Marzari, Oliviero Andreussi, Raffaella Buonsanti, Anna Loiudice, Nicolas Georg Hörmann, Jianfeng Huang, Gian Luca De Gregorio

In catalysis science stability is as crucial as activity and selectivity. Understanding the degradation pathways occurring during operation and developing mitigation strategies will eventually improve catalyst design, thus facilitating the translation of b ...

Nature Research2018

Cu-based hybrid nanocrystals for electrochemical CO2 conversion

Raffaella Buonsanti

AMER CHEMICAL SOC2018

Selective and Stable Electroreduction of CO2 to CO at the Copper/Indium Interface

Emad Oveisi, Andreas Züttel, Raffaella Buonsanti, Robin Tobias Andreas Mutschler, Wen Luo, Gian Luca De Gregorio

2018

Assembly of -Cu2V2O7/WO3 heterostructured nanocomposites and the impact of their composition on structure and photoelectrochemical properties

Mariateresa Scarongella, Chethana Janardhana Gadiyar, Raffaella Buonsanti, Anna Loiudice, Michal Stanislaw Strach, Luca Rimoldi

Multinary metal oxides and their heterostructures play a key role as light absorbers in the production of solar chemicals. Synthetic tunability is crucial to understand the impact of composition and structure on the photoelectrochemical performance. Here, ...

Royal Society of Chemistry2018

Sizable Excitonic Effects Undermining the Photocatalytic Efficiency of beta-Cu2V2O7

Alfredo Pasquarello, Mariateresa Scarongella, Raffaella Buonsanti, Julia Anna Wiktor, Igor Reshetnyak, Michal Stanislaw Strach

Copper vanadates have been proposed as promising photoanodes for water-splitting photoelectrochemical cells, but their performance has recently been shown to be severely limited. To understand this behavior, we study the electronic structure and the optica ...

2018

CsPbBr3 QD/AlOx inorganic nanocomposites with exceptional stability in water, light and heat

Duncan Thomas Lindsay Alexander, Emad Oveisi, Seryio Saris, Raffaella Buonsanti, Anna Loiudice

Herein, the assembly of CsPbBr3 QD/AlOx inorganic nanocomposites, by using atomic layer deposition (ALD) for the growth of the amorphous alumina matrix (AlOx), is described as a novel protection scheme for such QDs. The nucleation and growth of AlOx on the ...

2017

Probing interfacial energetics and charge transfer kinetics in semiconductor nanocomposites: New insights into heterostructured TiO2/BiVO4 photoanodes

Raffaella Buonsanti, Anna Loiudice

Heterostructured nanocomposites offer promise for creating systems exhibiting functional properties that exceed those of the isolated components. For solar energy conversion, such combinations of semiconducting nanomaterials can be used to direct charge tr ...

Elsevier Science Bv2017

Colloidal nanocrystals for photoelectrochemical and photocatalytic water splitting

Chethana Janardhana Gadiyar, Raffaella Buonsanti, Anna Loiudice

Colloidal nanocrystals (NCs) are among the most modular and versatile nanomaterial platforms for studying emerging phenomena in different fields thanks to their superb compositional and morphological tunability. A promising, yet challenging, application in ...

2017

Colloidal Chemistry to Advance Studies in Artificial Photosynthesis

Raffaella Buonsanti

This article presents an overview of our research in the field of colloidal nanocrystal synthesis and their implementation into water splitting and CO2 reduction electrochemical cells. We discuss our approaches to tailormade novel material platforms to adv ...

Swiss Chemical Soc2016

Understanding the Formation Mechanism of Metal Nanocrystal@MOF-74 Hybrids

Daniel Teav Sun, Wendy Lee Queen, Raffaella Buonsanti, Anna Loiudice

We report a one-step synthetic strategy to encapsulate copper nanocrystals (Cu NCs) in a carboxylate-based metal organic framework (MOF-74) to construct Cu@Cu-MOF-74 hybrids. One of the hurdles to realizing metal NC@MOF hybrids with uniform morphology and ...

Amer Chemical Soc2016

Tailoring Copper Nanocrystals towards C-2 Products in Electrochemical CO2 Reduction

Esmail Kamali Ardekani, Raffaella Buonsanti, Anna Loiudice

Favoring the CO2 reduction reaction (CO2RR) over the hydrogen evolution reaction and controlling the selectivity towards multicarbon products are currently major scientific challenges in sustainable energy research. It is known that the morphology of the c ...

Wiley-Blackwell2016

Sub-micron Polymer-Zeolitic Imidazolate Framework Layered Hybrids via Controlled Chemical Transformation of Naked ZnO Nanocrystal Films

Wendy Lee Queen, Raffaella Buonsanti

Here we show that sub-micron coatings of zeolitic imidazolate frameworks (ZIFs) and even ZIF-ZIF bilayers can be grown directly on polymers of intrinsic microporosity from zinc oxide (ZnO) nanocrystal precursor films, yielding a new class of all-microporou ...

Amer Chemical Soc2015

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