Search results for dopant

Nanomaterials Jan 30, 2023

Study unveils theoretical principle that carbon-based catalysts promote electrochemical reactions

Carbon-based catalysts have garnered extensive attention over the past decades as an economical alternative to noble metal catalysts for renewable energy systems.

Analytical Chemistry Dec 7, 2022

A novel interfacial regulated broadband photocatalyst

Extending the light absorption from ultraviolet (UV) to near-infrared (NIR) region and improving photocarrier separation efficiency of photocatalysts are of vital importance for solar-driven H2 evolution.

Nanophysics Nov 23, 2022

Researchers reveal effects of defects on electron emission property of graphene electrodes

After studying the effects of irradiation defects on the work function of graphene electrodes in thermionic energy converters (TECs), a research team found that the generation of defects in graphene through irradiation would ...

Nanophysics Nov 17, 2022

A grid of quantum islands could reveal secrets for powerful technologies

Researchers at the National Institute of Standards and Technology (NIST) have created grids of tiny clumps of atoms known as quantum dots and studied what happens when electrons dive into these archipelagos of atomic islands. ...

Analytical Chemistry Nov 14, 2022

How photoelectrodes change in contact with water

Photoelectrodes based on BiVO4 are considered top candidates for solar hydrogen production. But what exactly happens when they come into contact with water molecules? A study in the Journal of the American Chemical Society ...

Analytical Chemistry Nov 3, 2022

Novel molecular orbital interaction that stabilizes cathode materials for lithium-ion batteries

A large international team led by scientists from the Institute for Superconducting and Electronic Materials at the University of Wollongong has verified that the introduction of novel molecular orbital interactions can improve ...

Materials Science Oct 20, 2022

Developing stable water-splitting catalysts that don't require expensive iridium

Creating a hydrogen economy is no small task, but Rice University engineers have discovered a method that could make oxygen evolution catalysis in acids, one of the most challenging topics in water electrolysis for producing ...

Nanomaterials Oct 6, 2022

Atomic-level 3D models show us how gadgets work

Although nanotechnology and materials science are complicated topics for most of us, the research in these fields is of great importance to almost everyone. Your digital gadgets, for example, are completely dependent on it.

Analytical Chemistry Sep 19, 2022

Novel carrier doping in p-type semiconductors enhances photovoltaic device performance by increasing hole concentration

Perovskite solar cells have been the subject of much research as the next generation of photovoltaic devices. However, many challenges remain to be overcome for the practical application. One of them concerns the hole transport ...

Superconductivity Sep 1, 2022

Keeping bulk magnesium diboride superconducting at higher current densities

Superconductors—wondrous materials whose resistance drop to zero below a critical temperature—show much promise to meet the growing energy demand of the global population. With potential applications in magnetic resonance ...

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