English
Related papers

Related papers: Active photocatalysts for CO2 conversion by severe…

200 papers

We apply first principles computational techniques to analyze the two-electron, multi-step, electrochemical reduction of CO2 to CO in water using cobalt porphyrin as a catalyst. Density Functional Theory calculations with hybrid functionals…

Chemical Physics · Physics 2011-01-06 Kevin Leung , Ida M. B. Nielsen , Na Sai , Craig J. Medforth , J. A. Shelnutt

In the Cu Cr system, the formation of supersaturated solid solutions can be obtained by severe plastic deformation. Energy dispersive synchrotron diffraction measurements on as deformed Cu Cr samples as a function of the applied strain…

Semiconductor nanocrystals (NCs) are the building blocks for the future opto-electronic devices, and other energy-harvesting applications. Although the energy demand has been increasing, energy sources are diminishing. Hydrogen, green…

Materials Science · Physics 2015-06-30 Ebin Bastola

The conversion of biomass-derived materials into value-added products via photocatalysis holds significant promise in driving the development of renewable resources. However, since catalytic processes often require high temperatures and…

Chemical Physics · Physics 2024-08-06 Shuoren Li , Xingxing Meng , Leilei Diao , Jing Wang , Chuanping Li

Deep energy decarbonization cannot be achieved without high penetration of renewables. At higher renewable energy penetrations, the variability and intermittent nature of solar photovoltaic (PV) electricity can cause ramping issues with…

Systems and Control · Electrical Eng. & Systems 2022-02-08 Hamed Haggi , Paul Brooker , Wei Sun , James M. Fenton

Nanostructured TiO2 thin films were prepared by pulsed laser deposition (PLD) on indium doped tin oxide (ITO) substrates. Results from X-ray photoelectron spectroscopy (XPS) show that Ti 2p core level peaks shift toward the lower binding…

Materials Science · Physics 2007-12-20 H. Lin , Abdul K. Rumaiz , Meghan Schulz , Demin Wang , Reza Rock , C. P. Huang , S. Ismat Shah

We investigate the photocatalytic performance of nanocomposites prepared in a one-step process by liquid-phase exfoliation of graphite in the presence of TiO$_2$ nanoparticles (NPs) at atmospheric pressure and in water, without heating or…

Spontaneous Parametric Down Conversion (SPDC) holds a pivotal role in quantum physics, facilitating the creation of entangled photon pairs, heralded single photons and squeezed light, critical resources for many applications in quantum…

Quantum Physics · Physics 2026-01-06 Muhammad Erew , Yuval Reches , Ofir Yesharim , Moshe Goldstein , Ady Arie , Haim Suchowski

High-pressure torsion (HPT), a technique of severe plastic deformation (SPD), is shown as a promising processing method for exchange-spring magnetic materials in bulk form. Powder mixtures of Fe and SmCo$_{5}$ are consolidated and deformed…

Carbon materials are excellent candidates for photovoltaic solar cells: they are Earth-abundant, possess high optical absorption, and superior thermal and photostability. Here we report on solar cells with active layers made solely of…

Energy storage becomes crucial for energy systems with an increasing share of renewable energy sources. Artificial photosynthesis, in particular photovoltaic water splitting, provides both sustainable energy generation and energy storage in…

Materials Science · Physics 2016-04-12 Bugra Turan , Jan-Philipp Becker , Felix Urbain , Friedhelm Finger , Uwe Rau , Stefan Haas

Recently, hydrogen generation by water-splitting photocatalysts is attracting attention as a sustainable and clean energy resource. Photocatalytic hydrogen-generation systems are much simpler, cheaper, and easier to scale up than the…

Chemical Physics · Physics 2022-06-28 Tatsuo Suzuki

The deployment of CO2 capture and storage (CCS) and negative emissions technologies (NETs) are crucial to meet the net-zero target by year 2050, as emphasised by the Glasgow Climate Pact. Over the years, several energy planning models have…

Systems and Control · Electrical Eng. & Systems 2022-12-19 Purusothmn Nair S. Bhasker Nair , Raymond R. Tan , Dominic C. Y. Foo , Disni Gamaralalage , Michael Short

Mercury-Sensitized Photo-Assisted Chemical Vapor Deposition (Hg-Photo-CVD) technique opens new possibilities for reducing thin film growth temperature and producing novel semiconductor materials suitable for the future generation of high…

Materials Science · Physics 2007-05-23 A. Barhdadi

CO2 has been detected in both the tenuous exosphere and surface chaos regions of Europa, but it is still unclear whether this CO2 is generated in situ by radiolysis or whether it is directly delivered by the ocean. In this work, we study…

Earth and Planetary Astrophysics · Physics 2025-02-07 Sankhabrata Chandra , Bryana L. Henderson , Murthy S. Gudipati

Semiconductor photocatalysis offers a sustainable route for converting solar energy into chemical energy, enabling the production of clean fuels and valuable chemical products. To this aim, we explore van der Waals heterostructures made up…

Materials Science · Physics 2025-10-13 Shivprasad S. Shastri , Antonio Cammarata , Tomas Polcar

Policies focused on deep decarbonization of regional economies emphasize electricity sector decarbonization alongside electrification of end-uses. There is growing interest in utilizing hydrogen (H2) produced via electricity to displace…

Systems and Control · Electrical Eng. & Systems 2026-04-28 Youssef Shaker , Jun Wen Law , Audun Botterud , Dharik Mallapragada

A longstanding problem in astrochemistry is how molecules can be maintained in the gas phase in dense inter- and circumstellar regions. Photodesorption is a non-thermal desorption mechanism, which may explain the small amounts of observed…

Astrophysics · Physics 2015-05-13 Karin I. Oberg , Ewine F. van Dishoeck , Harold Linnartz

The development of efficient photoelectrodes via defect engineering of wide-band gap metal oxides has been the prime focus for many years. Specifically, the effect of carbon defects in wide-band gap metal oxides on their performance in…

Materials Science · Physics 2020-09-09 Ahmed H. Biby , Sarah A. Tolba , Nageh K. Allam

High-temperature solid oxide electrolysis cells (SOECs) are a potential core power-to-X (P2X) technology due to their unparalleled system efficiencies, that can exceed 85 % when excess heat from exothermic downstream processes is available.…

‹ Prev 1 8 9 10 Next ›