Sentences with phrase «of photoelectrochemical»
about Computational Materials Diagnostics and Optimization of Photoelectrochemical Devices
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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.
Light absorption, charge carrier transport, and catalysis are the physical processes that govern the operation of photoelectrochemical (PEC) devices.
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.
The LLNL AMPE code is optimized for high scalability on the leadership - class LLNL supercomputers and includes many recent advanced developments that will enable higher - fidelity simulations of photoelectrochemical and corrosion processes than would be achieved with more conventional codes and hardware.
Fountaine, K. T. & Atwater, H. A. Mesoscale modeling of photoelectrochemical devices: light absorption and carrier collection in monolithic, tandem, Si vertical bar WO3 microwires.
Not exact matches
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.
The article, «Multiple exciton generation for photoelectrochemical hydrogen evolution reactions with quantum yields exceeding 100 %,» reports on the investigative work that Yan carried out along with colleagues affiliated with the National Renewable Energy Laboratory, the Colorado School of Mines and San Diego State University.
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 %.
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.
The new approach relies on a photoelectrochemical (PEC) device, a type of solar cell that can potentially split water molecules more efficiently than other methods.
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.
Throughout the course of this study, the teams compiled an extensive library of experimental and theoretical data including electronic, magnetic, optical, photoelectrochemical, and structural properties, which are now used as feedstock in material genome work and near - term development of superior PEC materials through materials - by - design techniques.
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
Ian Sharp, «Plasma - enhanced Atomic Layer Deposition of Transition Metal Oxides for Photoelectrochemical Energy Conversion»
A highly efficient photoelectrochemical (PEC) device uses the power of the sun to split water into hydrogen and oxygen.
Photoelectrochemical properties of model corundum and perovskite superlattices and pn junctions
«Since the photoelectrochemical cell is built for the purpose of hydrogen production and HMF oxidation simply replaces oxygen production at the anode, in essence, no resources are used specifically for HMF oxidation,» says Choi.
An analysis of the optimal band gaps of light absorbers in integrated tandem photoelectrochemical water - splitting systems.
Animation illustrates the compilation of the sensitivity analysis of the maximum photoelectrochemical efficiency to semiconductor external radiative efficiency; (a) Maximum efficiency vs. semiconductor external radiative efficiency (ERE) for a single junction photoelectrochemical device, with the color axis indicating the semiconductor bandgap (eV) that corresponds to the maximum efficiency; (b) Animation of efficiency vs. semiconductor bandgap with the external radiative efficiency evolving in time; red dot indicates the bandgap corresponding to the maximum efficiency at a given ERE value that is plotted on (a).
Monolithically Integrated Thin - Film / Silicon Tandem Photoelectrodes for High Efficiency and Stable Photoelectrochemical Water Splitting, Zitian Mi, University of Michigan
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.
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.
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.
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.
Scientists at the US Department of Energy's (DOE) National Renewable Energy Laboratory (NREL) recaptured the record for highest efficiency in solar hydrogen production via a photoelectrochemical (PEC) water - splitting process.
Experienced research and development professional motivated to strategically solve difficult technical problems to advance electrochemical and photoelectrochemical energy conversion and storage technologies (fuel cells, supercapacitors, redox flow batteries, metal - air batteries, and photoelectrochemical cells) and deliver meaningful results for the betterment of our society.