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Sophia Haussener

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Related publications (135)

Page 6 of 7

Atomic layer deposition of TiO2 for stabilization of Pt nanoparticle oxygen reduction reaction catalysts

Sophia Haussener, Sarah van Rooij

Atomic layer deposition (ALD) was used to modify two different types of carbon black-based Pt oxygen reduction catalysts with protective TiO2 nanostructures to increase catalyst durability. Rates of ALD growth and the structure of deposited TiO2 were obser ...

Springer2018

Degradation in photoelectrochemical devices: Review with an illustrative case study

Sophia Haussener, Fredy Intelligent Nandjou Dongmeza

The durability, reliability, and robustness of photoelectrochemical (PEC) devices are key factors for advancing the practical large-scale implementation of cost-competitive solar fuel production. We review the known degradation mechanisms occurring in wate ...

Iop Publishing Ltd2017

Modelling of Solar Thermochemical Reaction Systems

Sophia Haussener

This article reviews the progress, challenges and opportunities in numerical modelling of thermal transport, thermochemical reactions and thermomechanics in high-temperature solar thermochemical systems. Continuum-scale models are presented in mathematical ...

Pergamon-Elsevier Science Ltd2017

Tomography-Based Analysis of Radiative Transfer in Reacting Packed Beds Undergoing a Solid-Gas Thermochemical Transformation

Sophia Haussener

American Society of Mechanical Engineers2010

Optical Design of Multisource High-Flux Solar Simulators

Sophia Haussener

We present a systematic approach to the design of a set of high-flux solar simulators (HFSSs) for solar thermal, thermochemical, and materials research. The generic simulator concept consists of an array of identical radiation modules arranged in concentri ...

American Society of Mechanical Engineers2015

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

Tomography-Based Heat and Mass Transfer Characterization of Reticulate Porous Ceramics for High-Temperature Processing

Sophia Haussener

American Society of Mechanical Engineers2010

Tomographic Characterization of a Semitransparent-Particle Packed Bed and Determination of its Thermal Radiative Properties

Sophia Haussener

American Society of Mechanical Engineers2009

Vapor-fed microfluidic hydrogen generator

Demetri Psaltis, Christophe Moser, Sophia Haussener, Seyyed Mohammad Hosseini Hashemi, Miguel Antonio Modestino, Mikaël Dumortier

Water-splitting devices that operate with humid air feeds are an attractive alternative for hydrogen production as the required water input can be obtained directly from ambient air. This article presents a novel proof-of-concept microfluidic platform that ...

Royal Society of Chemistry2015

Determination and optimization of material parameters of particle-based LaTiO2N photoelectrodes

Sophia Haussener, Ulrich Aschauer, Yannick Kenneth Gaudy

We developed a validated numerical model capable of predicting the photocurrent-voltage characteristics of oxide and oxynitride particle-based photoelectrodes and identifying the critical parameters affecting the performance of those photoelectrodes. We us ...

Royal Society of Chemistry2018

Integrated photo-electrochemical device for concentrated irradiation

Sophia Haussener, Meng Lin, Saurabh Yuvraj Tembhurne

The present invention relates to a photo-electrochemical device for production of a gas, liquid or solid using concentrated electromagnetic irradiation. The device comprises a photovoltaic component configured to generate charge carriers from the concentra ...

2018

Tomography-based heat and mass transport characterization of complex porous materials and their application and importance in solar fuel processing

Sophia Haussener

2011

Impact of Gas Bubble Evolution Dynamics on Electrochemical Reaction Overpotentials in Water Electrolyser Systems

Sophia Haussener

This study establishes a theoretical framework to elucidate the impact of gas bubble evolution dynamics on the reaction overpotentials in electrolytic hydrogen and oxygen production. By distinguishing between ohmic, activation, and concentration overpotent ...

AMER CHEMICAL SOC2025

Modeling of a Multitube High-Temperature Solar Thermochemical Reactor for Hydrogen Production

Sophia Haussener

American Society of Mechanical Engineers2009

Modeling of a multi-tube solar reactor for hydrogen production at high temperatures

Sophia Haussener

2007

Solar hydrogen reaching maturity

Sophia Haussener, Mikaël Dumortier

Increasingly vast research efforts are devoted to the development of materials and processes for solar hydrogen production by light-driven dissociation of water into oxygen and hydrogen. Storage of solar energy in chemical bonds resolves the issues associa ...

2015

Majority Charge Carrier Transport in Particle-based Photoelectrodes

Sophia Haussener, Yannick Kenneth Gaudy

The inter-particle charge transfer of particle-based photoelectrodes was investigated using a particle-based LaTiO2N photoelectrode as model system. The thickness-dependent front- to back-side illumination photocurrent ratio was measured and compared to th ...

2019

Robust production of purified H-2 in a stable, self-regulating, and continuously operating solar fuel generator

Sophia Haussener, Miguel Antonio Modestino

The development of practical solar-driven electrochemical fuel generators requires the integration of light absorbing and electrochemical components into an architecture that must also provide easy separation of the product fuels. Unfortunately, many of th ...

Royal Society of Chemistry2014

Pcm-based heat exchanger and uses thereof

Matthieu Gani, Véronique Michaud, Sophia Haussener

A PCM-based heat exchanger is disclosed, said phase change material (PCM)-based heat exchanger comprising: a) a case having insulated walls comprising an inlet and an outlet; and b) a plurality of modules comprising a support structure containing a phase c ...

2019

Continuum radiative transfer modeling in media consisting of optically distinct components in the limit of geometrical optics

Sophia Haussener

2010