Searched for: author%3A%22Smith%2C+W.A.%22
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Perez Rodriguez, P. (author), Digdaya, I.A. (author), Mangel Raventos, A. (author), Falkenberg, M. (author), Vasudevan, R.A. (author), Zeman, M. (author), Smith, W.A. (author), Smets, A.H.M. (author)
One of the main problems of renewable energies is storage of the energy carrier. For long-term storage, solar fuels seem to be a good option. Direct solar water splitting could play an important role in the production of these solar fuels. One of the main challenges of this process is the charge separation and collection at the interfaces. The...
conference paper 2016
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Batista, Victor (author), Li, Can (author), Smith, W.A. (author), Wang, Dunwei (author)
contribution to periodical 2021
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Kumar, N. (author), Abdi, F.F. (author), Trzesniewski, B. (author), Smith, W.A. (author), Planken, P.C.M. (author), Adam, A.J.L. (author)
We demonstrate emission of terahertz pulses from a BiVO4/Au thin film interface, illuminated with femtosecond laser pulses. Based on the experimental observations, we propose that the most likely cause of the THz emission is the Photo-Dember effect caused by the standing wave intensity distribution formed at the BiVO4/Au interfaces.
journal article 2015
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Trze?niewski, B.J. (author), Smith, W.A. (author)
Bismuth vanadate (BiVO4) is a promising semiconductor material for the production of solar fuels via photoelectrochemical water splitting, however, it suffers from substantial recombination losses that limit its performance to well below its theoretical maximum. Here we demonstrate for the first time that the photoelectrochemical (PEC)...
journal article 2015
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Vermaas, D.A. (author), Sassenburg, M. (author), Smith, W.A. (author)
Different pH requirements for a cathode and an anode result in a non-optimal performance for practical solar fuel systems. We present for the first time a photo-assisted water splitting device using a bipolar membrane, which allows a cathode to operate in an acidic electrolyte while the photoanode is in alkaline conditions. The bipolar membrane...
journal article 2015
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Burdyny, T.E. (author), Sassenburg, M. (author), de Rooij, R. (author), Nessbit, Nathan (author), Kas, R. (author), Chandrashekar, S. (author), Firet, N.J. (author), Yang, K. (author), Liu, K. (author), Blommaert, M.A. (author), Kolen, M. (author), Ripepi, D. (author), Smith, W.A. (author)
Continued advancements in the electrochemical reduction of CO 2 (CO 2RR) have emphasized that reactivity,selectivity, and stability are not explicit material properties butcombined effects of the catalyst, double-layer, reaction environ-<br/>ment, and system configuration. These realizations have steadily built upon the foundational work...
journal article 2022
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Bae, D. (author), Faasse, Richard (author), Kanellos, Gerasimos (author), Smith, W.A. (author)
In recent years, solar redox flow batteries have attracted attention as a possible integrated technology for simultaneous conversion and storage of solar energy. Unlike solar water splitting technologies which require at least 1.8V for meaningful performance, a lesson learned from previous solar redox flow battery (SRFB) studies is that even...
journal article 2019
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Bohra, D. (author), Chaudhry, Jehanzeb H. (author), Burdyny, T.E. (author), Pidko, E.A. (author), Smith, W.A. (author)
The environment of a CO2 electroreduction (CO2ER) catalyst is intimately coupled with the surface reaction energetics and is therefore a critical aspect of the overall system performance. The immediate reaction environment of the electrocatalyst constitutes the electrical double layer (EDL) which extends a few nanometers into the electrolyte and...
journal article 2019
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Vos, Johannes G. (author), Venugopal, A. (author), Smith, W.A. (author), Koper, Marc T.M. (author)
Hydrogen production from seawater electrolysis is highly promising for the capture and storage of intermittent renewable energy, but is hindered by the possibility of unwanted reactions at the anode. The oxidation reactions of chloride and (to a lesser extent) bromide, which can occur in parallel to the evolution of oxygen, lead to...
journal article 2020
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Bae, D. (author), Kanellos, Gerasimos (author), Faasse, G.M. (author), Dražević, Emil (author), Venugopal, A. (author), Smith, W.A. (author)
Recent advances in photoelectrochemical redox flow cells, such as solar redox flow batteries, have received much attention as an alternative integrated technology for simultaneous conversion and storage of solar energy. Theoretically, it has been reported that even single- photon devices can demonstrate unbiased photo-charging with high solar-to...
journal article 2020
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Bae, D. (author), Kanellos, Gerasimos (author), Wedege, Kristina (author), Dražević, Emil (author), Bentien, Anders (author), Smith, W.A. (author)
MoOX is commonly considered to be a high work-function semiconductor. From x-ray photoelectron spectroscopy and photoelectrochemical analysis, it is shown that MoOX can be considered as an effective hole transfer layer for the GaP-based device. Specifically, in the absence of carbon contamination using an ion beam cleaning step, the oxygen...
journal article 2020
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Bae, D. (author), Faasse, Richard (author), Smith, W.A. (author)
Achieving high current densities without thermal performance degradation at high temperatures is one of the main challenges for enhancing the competitiveness of photo-electrochemical energy storage systems. We describe a system that overcomes this challenge by incorporating an integrated photoelectrode with a redox flow cell, which functions...
journal article 2020
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Nesbitt, N.T. (author), Smith, W.A. (author)
Electrochemical atomic force microscopy (EC-AFM) enables measurement of electrode topography and mechanical properties during electrochemical reactions. However, for aqueous-based reactions that make gas products, such as CO2 reduction and water splitting into CO/H2, current densities below 1 mA cm-2 have been necessary to prevent formation...
journal article 2021
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Buonsanti, Raffaella (author), Smith, W.A. (author)
journal article 2021
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Trzesniewski, B.J. (author), Smith, W.A. (author)
Bismuth vanadate (BiVO4) is a promising semiconductor material for the production of solar fuels via photoelectrochemical water splitting, however, it suffers from substantial recombination losses that limit its performance to well below its theoretical maximum. Here we demonstrate for the first time that the photoelectrochemical (PEC)...
journal article 2016
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Vasudevan, R.A. (author), Thanawala, Zaid (author), Han, L. (author), Tan, H. (author), Buijs, Thom (author), Deligiannis, D. (author), Perez Rodriguez, P. (author), Digdaya, I.A. (author), Smith, W.A. (author), Zeman, M. (author), Smets, A.H.M. (author)
A hybrid tandem solar cell consisting of a thin-film, nanocrystalline silicon top junction and a siliconheterojunction bottom junction is proposed as a supporting solar cell for photoelectrochemical applications.Tunneling recombination junction engineering is shown to be an important consideration indesigning this type of solar cell. The best...
journal article 2016
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Valenti, M. (author), Venugopal, A. (author), Tordera, Daniel (author), Jonsson, P.M. (author), Biskos, G. (author), Schmidt-Ott, A. (author), Smith, W.A. (author)
The conversion of light to electrical and chemical energy has the potential to provide meaningful advances to many aspects of daily life, including the production of energy, water purification, and optical sensing. Recently, plasmonic nanoparticles (PNPs) have been increasingly used in artificial photosynthesis (e.g., water splitting) devices...
journal article 2017
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Yang, K. (author), Kas, R. (author), Smith, W.A. (author)
Over the past decade, electrochemical carbon dioxide reduction has become a thriving area of research with the aim of converting electricity to renewable chemicals and fuels. Recent advances through catalyst development have significantly improved selectivity and activity. However, drawing potential dependent structure-activity relationships...
journal article 2019
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Zhang, W. (author), Ma, M. (author), Huijbers, M.M.E. (author), Filonenko, G.A. (author), Pidko, E.A. (author), van Schie, M.M.C.H. (author), de Boer, Sabrina (author), Smith, W.A. (author), Hollmann, F. (author)
A recently discovered photodecarboxylase from Chlorella variabilis NC64A ( CvFAP) bears the promise for the efficient and selective synthesis of hydrocarbons from carboxylic acids. CvFAP, however, exhibits a clear preference for long-chain fatty acids thereby limiting its broad applicability. In this contribution, we demonstrate that the...
journal article 2019
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Digdaya, I.A. (author), Adhyaksa, Gede W.P. (author), Trzesniewski, B.J. (author), Garnett, Erik C. (author), Smith, W.A. (author)
Solar-assisted water splitting can potentially provide an efficient route for large-scale renewable energy conversion and storage. It is essential for such a system to provide a sufficiently high photocurrent and photovoltage to drive the water oxidation reaction. Here we demonstrate a photoanode that is capable of achieving a high...
journal article 2017
Searched for: author%3A%22Smith%2C+W.A.%22
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