Search results for dopant

Materials Science Aug 31, 2022

Novel technology to improve the high permselectivity and anti-biofouling properties of RO membranes

Reverse osmosis (RO) has attracted wide attention for its extensive applicability in brackish water and seawater desalination. Thin-film composite (TFC) polyamide (PA) RO membranes consisting of a dense separating layer and ...

Optics & Photonics Aug 26, 2022

Dispersion coding of ENZ media via multiple photonic dopants

Media with small permittivity, i.e., the epsilon-near-zero (ENZ) media, have drawn a great deal of attention from the fields of physics, materials science, and engineering. The wavelength in ENZ medium is in principle infinitely ...

Superconductivity Aug 18, 2022

Researchers untangle the physics of high-temperature superconductors

When some materials are cooled to a certain temperature, they lose electric resistance, becoming superconductors.

Nanomaterials Jul 25, 2022

The structure of the smallest semiconductor elucidated

A semiconductor is a material whose conductivity lies somewhere between that of a conductor and an insulator. This property allows semiconductors to serve as the base material for modern electronics and transistors. It is ...

Nanophysics Jun 30, 2022

Ways to synthesize stable diamane at high pressure

A research team led by Prof. Wang Xianlong from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences (CAS) has discovered a new method to improve the stability of diamane synthesized by-high pressure ...

Polymers Jun 17, 2022

Electrically conductive paints and other polymer alloys now produced easily

Medical devices, cars, and many advanced technologies contain innumerable delicate components that are held together by electrically conductive polymers, such as polyaniline. For several decades, synthesis of polyaniline ...

Materials Science Jun 16, 2022

'Volcano-shaped' trend enables rational design of polysulfide catalysts in lithium–sulfur batteries

A joint research team led by Prof. Zhang Huigang from the Institute of Process Engineering (IPE) of the Chinese Academy of Sciences (CAS) and Dr. Lu Jun from Argonne National Laboratory, U.S.A., has found a "volcano-shaped" ...

Materials Science Jun 15, 2022

Exploring high selective catalysts via fabrication of oxygen vacancy on TiO2

Oxygen vacancy (Ov) significantly influences the oxidation process through oxygen adsorption and activation. Element doping can fabricate oxygen vacancy on titanium dioxide (TiO2), but the effects of the dopants on the oxidation ...

Nanomaterials Jun 7, 2022

Clean doping strategy produces more responsive phototransistors

The library of two-dimensional (2D) layered materials keeps growing, from basic 2D materials to metal chalcogenides. Unlike their bulk counterparts, 2D layered materials possess novel features that offer great potential in ...

Analytical Chemistry Jun 6, 2022

Systematic study resolves debate on car exhaust catalyst design

Smog-producing chemicals could be almost eliminated from the tailpipes of diesel cars and vans, using a new exhaust catalyst concept developed at KAUST. After systematically studying multiple catalyst compositions, the research ...

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