Publications de Miguel Antonio Modestino

Practical challenges in the development of photoelectrochemical solar fuels production

Sophia Haussener, Miguel Antonio Modestino

This article addresses the challenges presented by photoelectrochemical solar fuels technology in a discussion that begins with a functioning device and proceeds to the more fundamental science of its component parts. In this flow of discussion issues are ...

2020

A comparative performance analysis of stand-alone, off-grid solar-powered sodium hypochlorite generators

Demetri Psaltis, Antonin Faes, Christophe Moser, Miguel Antonio Modestino, Enrico Chinello, Laurent Coulot

Sodium hypochlorite (NaClO) is a chemical commodity widely employed as a disinfection agent in water treatment applications. Its production commonly follows electrochemical routes in an undivided reactor. Powering the process with photovoltaic (PV) electri ...

2019

Inertial manipulation of bubbles in rectangular microfluidic channels

Demetri Psaltis, Pooria Hadikhani, François Gallaire, Gioele Mariano Nicolò Balestra, Miguel Antonio Modestino, Seyyed Mohammad Hosseini Hashemi, Lailai Zhu

Inertial microfluidics is an active field of research that deals with crossflow positioning of the suspended entities in microflows. Until now, the majority of the studies have focused on the behavior of rigid particles in order to provide guidelines for m ...

2018

Pathways to Electrochemical Solar-Hydrogen Technologies

Sophia Haussener, Corsin Battaglia, Esther Alarcon Llado, Jan-Willem Alexander Schüttauf, Miguel Antonio Modestino, Seyyed Mohammad Hosseini Hashemi, Enrico Chinello, Vincent Artero

2018

Efficient Solar-vapor Generation in Hollow-mesoporous Plasmonic Nanoshells

Demetri Psaltis, Thomas La Grange, Jeffrey Alan Hubbell, Jae-Woo Choi, Ye Pu, Miguel Antonio Modestino, Seyyed Mohammad Hosseini Hashemi, Marcin Stefan Zielinski

Plasmonic nanostructures have shown great promise in solar thermal applications. Here we report highly efficient solar vapor generation using hollow-mesoporous plasmonic nanoshells, where the steam production is significantly enhanced by the extended activ ...

IEEE2018

Solar production of nylon polymers and prescursors for nylon polymer production

Sophia Haussener, Miguel Antonio Modestino

The present invention relates to process intensification, and renewable processing routes for polymer production, for example the solar production of Nylon 6,6 and precursors relevant for the Nylon 6,6 production (such as hydrogen, adiponitrile and hexaned ...

2018

Membrane-less micro fuel cell based on two-phase flow

Demetri Psaltis, Miguel Antonio Modestino, Seyyed Mohammad Hosseini Hashemi, Pooria Hadikhani

Most microfluidic fuel cells use highly soluble fuels and oxidants in streams of liquid electrolytes to overcome the mass transport limitations that result from the low solubility of gaseous reactants such as hydrogen and oxygen. In this work, we address t ...

2017

Laser-assisted inkjet printing of highly viscous fluids with sub-nozzle resolution

Demetri Psaltis, Christophe Moser, Paul Delrot, Miguel Antonio Modestino

Drop-on-demand inkjet printing is mostly based on thermal and piezo-actuation, allowing for densely packed nozzles in inkjet printers. However, the droplet diameter is typically defined by the nozzle diameter, thus limiting the range of viscosity that can ...

Spie-Int Soc Optical Engineering2016

Hollow Mesoporous Plasmonic Nanoshells for Enhanced Solar Vapor Generation

Demetri Psaltis, Thomas La Grange, Ye Pu, Jeffrey Alan Hubbell, Jae-Woo Choi, Ye Pu, Miguel Antonio Modestino, Seyyed Mohammad Hosseini Hashemi, Marcin Stefan Zielinski

In the past decade, nanomaterials have made their way into a variety of technologies in solar energy, enhancing the performance by taking advantage of the phenomena inherent to the nanoscale. Recent examples exploit plasmonic core/shell nanoparticles to ac ...

American Chemical Society2016

Solar-to-Hydrogen Production at 14.2% Efficiency with Silicon Photovoltaics and Earth-Abundant Electrocatalysts

Christophe Ballif, Demetri Psaltis, Christophe Moser, Matthieu Despeisse, Antonin Faes, Enrico Chinello, Jan-Willem Alexander Schüttauf, Julien Claude Bailat, Miguel Antonio Modestino, Antonio Delfino

Affordable, stable and earth-abundant photo-electrochemical materials are indispensable for the large-scale implementation of sunlight-driven hydrogen production. Here we present an intrinsically stable and scalable solar water splitting device that is ful ...

Electrochemical Society2016