World news

Results: 32792
arrow_upward arrow_downward

Cooling with light: Exploring optical cooling in semiconductor quantum dots

Phys.org   -   Scientific News Websites

Cooling systems are an integral part of many modern technologies, as heat tends to wear down materials and decrease performance in several ways. In many cases, however, cooling can be an inconvenient and energy-intensive process. Accordingly, scie...

Nov 26, 2024

Cobalt ions, not covalent organic frameworks themselves, drive catalytic activity, study finds

Phys.org   -   Scientific News Websites

Covalent organic frameworks (COFs) are less stable as catalysts than previously thought but remain highly active. COFs are promising designer catalysts, for example for the sustainable production of chemicals and fuels. Their properties can be adj...

Nov 26, 2024

A pathway towards new quantum devices: Electrically defined quantum dots in zinc oxide

ScienceDaily   -   General News Websites

Creating and controlling quantum dots via electrical methods, is likely to lead to new frontiers in the quest to develop stable and efficient qubits. Exploring how zinc oxide can be used in electrically defined quantum dots, researchers have unear...

Nov 26, 2024

New imaging platform revolutionizes 3D visualization of cellular structures

ScienceDaily   -   General News Websites

A team of researchers has developed an innovative imaging platform that promises to improve our understanding of cellular structures at the nanoscale. This platform, called soTILT3D for single-objective tilted light sheet with 3D point spread func...

Nov 26, 2024

How catalysts secretly lose their stability

ScienceDaily   -   General News Websites

Covalent organic framework compounds are more active as catalysts than one would expect. Researchers have now discovered why.

Nov 26, 2024

A pathway towards new quantum devices: Electrically defined quantum dots in zinc oxide

Nanowerk   -   Nanotechnology Websites

Researchers have successfully created electrically defined quantum dots in zinc oxide (ZnO) heterostructures, marking a significant milestone in the development of quantum technologies.

Nov 26, 2024

Breakthrough in carbon nanotube applications for battery dry process

Nanowerk   -   Nanotechnology Websites

A research team led by Dr. Joong Tark Han at the Korea Electrotechnology Research Institute (KERI) Nano Hybrid Technology Research Center has developed the world’s first technology for producing highly dispersible carbon nanotube (CNT) powder, whi...

Nov 26, 2024

Cooling with light: Exploring optical cooling in semiconductor quantum dots

Nanowerk   -   Nanotechnology Websites

Cooling systems are an integral part of many modern technologies, as heat tends to wear down materials and decrease performance in several ways. In many cases, however, cooling can be an inconvenient and energy-intensive process. Accordingly, scie...

Nov 26, 2024

Breakthrough in clean energy: Scientists pioneer novel heat-to-electricity conversion

Nanowerk   -   Nanotechnology Websites

Thermoelectric materials, which convert heat into electricity, are valuable tools for capturing waste heat and turning it into usable electricity. These materials are especially useful in industries and vehicles where engines produce a lot of wast...

Nov 26, 2024

How catalysts secretly lose their stability

Nanowerk   -   Nanotechnology Websites

Covalent organic frameworks (COFs) are less stable as catalysts than previously thought but remain highly active. COFs are promising designer catalysts, for example for the sustainable production of chemicals and fuels. Their properties can be adj...

Nov 26, 2024

REFINE