Sentences with word «photoelectrochemical»
The word "photoelectrochemical" refers to a process or device that involves the interaction of light (photo) and electricity (electrochemical). It describes the conversion of light energy into electrical energy or the study of the chemical reactions that occur when both light and electricity are involved. Full definition
The composite material showed potential as a high - surface - area semiconductor for photoelectrochemical cells.
sciencedaily.com
The authors first present the analytic equations and solutions for the limiting efficiencies of photoelectrochemical water - splitting devices based on the ultimate limits of device physics as well as two more realistic scenarios based on currently achievable material and device parameters.
«Bismuth vanadate has been widely regarded as a promising material for photoelectrochemical water splitting, in part because of its low cost and high stability against corrosion,» said Cui, an associate professor of photon science at the SLAC National Accelerator Laboratory.
Fountaine, K. T. & Atwater, H. A. Mesoscale modeling of photoelectrochemical devices: light absorption and carrier collection in monolithic, tandem, Si vertical bar WO3 microwires.
This capability is central to fabrication of integrated photoelectrochemical devices for water splitting.
Plasmon - Driven photoelectrochemical cells for artificial photosynthesis.
Researchers at the US Department of Energy's National Renewable Energy Laboratory (NREL) have developed a method which boosts the longevity of high - efficiency photocathodes in photoelectrochemical water - splitting devices.
Abstract: The research effort in mesoporous p - type semiconductors is increasing due to their potential application in photoelectrochemical energy conversion devices.
Al plasmonic structures fabricated using nanoimprint lithography combine scalability, manufacturability and low cost materials to enable efficient photoelectrochemical hydrogen productions.
Fountaine, K. T., Lewerenz, H. J. & Atwater, H. A. Interplay of light transmission and catalytic exchange current in photoelectrochemical systems.
Schematic illustration of various coupled photoelectrochemical processes in an integrated solar - driven water - splitting cell
Toward this end, many researchers have been working to develop functional, efficient and economical methods to split water into hydrogen, a clean fuel, and oxygen using photoelectrochemical solar cells (PECs).
(Invited) Design Considerations for Fully - Integrated Photoelectrochemical Devices.
Essentially, they created what is known as a quantum dot photoelectrochemical cell that catalytically achieved quantum efficiency for hydrogen gas production exceeding 100 % — in the case of their experiments an efficiency approaching 114 %.
A 2013 book on photoelectrochemical (PEC) water splitting developed by the U.S. Department of Energy's (DOE's) PEC hydrogen production working group was one of the top 25 % most downloaded eBooks in the SpringerLink eBook Collection in 2016.
(Invited) Recent Progress in Fundamental Photoelectrochemical Studies Relevant to New Low - Cost Designs for Z - Scheme Solar Water Splitting Reactors.
Sunlight - Driven Hydrogen Formation by Membrane - Supported Photoelectrochemical Water Splitting N. Lewis presented by K. Papadantonakis
A highly efficient photoelectrochemical (PEC) device uses the power of the sun to split water into hydrogen and oxygen.
This capability involves characterizing semiconductors using photoelectrochemical (PEC) methods to measure their bulk and interfacial properties to determine their suitability for photoelectrolysis.
After moving to Lawrence Livermore National Laboratory, he has been working on scientific problems that are relevant for energy storage and conversion technologies such as photoelectrochemical (PEC) hydrogen production.
A key objective of work in the program is to develop a knowledge foundation of structure - function relationships for photoelectrochemical layers that allows for prediction and control of transport phenomena in macroscopic solar - fuel generation systems.
However, gallium phosphide can be notoriously unstable during photoelectrochemical operations.
But Gamelin and his team thought they could bring down the costs by incorporating some of that photovoltaic technology in Nocera's water - splitting device, creating a so - called photoelectrochemical (PEC) water splitter.
In this proof - of - concept study, the researchers provide insights into the unique behavior of polyaniline obtained from photoelectrochemical measurements and adsorption studies, together with spectroscopic data.
«Apart from these technical qualities, as a polymer, polyaniline can also be easily made into fabrics and films that adapt to roofs or curved surfaces to create the large surface areas needed for photoelectrochemical reduction, eliminating the need for expensive and dangerous solar concentrators,» Rajeshwar added.
Kaspar and her team are now conducting photoelectrochemical studies to take the next step: split water to produce fuel.
The promise of generating renewable energy from sunlight, carbon dioxide, and water can be realized through the discovery of efficient and robust photoelectrochemical (PEC) cell materials, specifically photoanodes.
(Invited) High Performance Components for Solar - Driven Photoelectrochemical Fuel Generators.
The comparison of theoretical and experimental results motivates researchers to conduct additional higher - accuracy calculations and measurements that yield a more complete understanding of the materials and how their structure and composition lead to remarkable photoelectrochemical performance.
Several promising earth - abundant low band - gap TMO compounds with desirable band edge energies and electrochemical stability are identified by our computational efforts and then synergistically evaluated using high - throughput synthesis and photoelectrochemical screening techniques by our experimental collaborators at Caltech.
Monolithic Photoelectrochemical Device for Water Splitting with 19 % Efficiency Wen - Hui Cheng, Matthias H. Richter, Matthias May, Jens Ohlmann, David Lackner, Frank Dimroth, Thomas Hannappel, Harry Atwater, Hans - Joachim Lewerenz
Development of Best Practices and Standard Protocols in Benchmarking Photoelectrochemical (PEC) Hydrogen Production Chengxiang Xiang
Development of Efficient, Stable and Intrinsically Safe Photoelectrochemical Solar - Hydrogen Prototypes C. Xiang
Materials Challenges for Sustainable Photoelectrochemical Solar to Fuel Conversion J. W. Ager
Photoelectrochemical properties of model corundum and perovskite superlattices and pn junctions
Monolithically Integrated Thin - Film / Silicon Tandem Photoelectrodes for High Efficiency and Stable Photoelectrochemical Water Splitting, Zitian Mi, University of Michigan
Novel Chalcopyrites for Advanced Photoelectrochemical Water Splitting, Nicolas Gaillard, University of Hawaii
Protective Catalyst Systems on III - V and Si - Based Semiconductors for Efficient, Durable Photoelectrochemical Water Splitting Devices, Thomas Jaramillo, Stanford University
This project seeks to develop methods for orienting, assembling, and interconnecting nanoscale functional assemblies containing catalysts, light absorbers, and support matrices, into fully functional photoelectrochemical systems.
Hydrogen, which is the simplest form of energy carrier, can be generated renewably with solar energy through photoelectrochemical water splitting or by photovoltaic (PV)-- driven electrolysis.
Researchers at the Energy Department's National Renewable Energy Laboratory (NREL) have made advances toward affordable photoelectrochemical (PEC) production of hydrogen.
Scientists at the US Department of Energy's National Renewable Energy Laboratory (NREL) have developed a proof - of - principle photoelectrochemical cell (PEC) capable of capturing excess photon energy normally lost to generating heat.
This career has included tenures at the Oak Ridge National Laboratory, Sunpower Incorporated, the NASA Glenn Research Center, and the Hawai'i Natural Energy Institute, where his pioneering research in the field of photoelectrochemical hydrogen production has earned world recognition.
Specific areas of interest include, but are not limited to: nano - enabled PV devices containing nanostructured semiconductors, plasmonic materials, photonic structures, or conducting polymers; earth - abundant and environmentally benign materials for photovoltaic devices; photocatalytic or photoelectrochemical processes for the splitting of water into H2 gas, or for the reduction of CO2 to liquid or gaseous fuels.
Featured: Energy Conversion Considerations in Solar - Driven Photoelectrochemical Water Splitting and Carbon Dioxide Reduction J. W. Ager
Nonetheless, this dramatic increase in quantum yield realized with a uniquely innovative lead sulfide quantum dot photoelectrochemical device is an important development in several ways, and as such is a product of Yan's long - standing interest in renewable sources of energy, especially in novel applications of solar energy.
Sunlight - driven hydrogen formation by membrane - supported photoelectrochemical water splitting N. Lewis
The technologies include advanced high - and low - temperature electrolysis as well as photoelectrochemical (PEC) and solar thermochemical (STCH) water splitting.