Search results for transmission electron microscopy

Analytical Chemistry Jan 29, 2025

The secret life of catalysts: Scientists reveal unanticipated forms during nitrate reduction

Scientists have made an advancement in the field of electrocatalysis. Their latest research, published in the journal Nature Materials, sheds light on how catalysts can stay in unanticipated forms during the process of nitrate ...

Analytical Chemistry Jan 27, 2025

Trimetallic synergy and defects: A catalyst for climate action

A study appearing in Proceedings of the National Academy of Sciences introduces a trimetallic catalyst—including nickel (Ni), copper (Cu), and zinc (Zn) nanoparticles supported on defective ceria (CeO2)—that achieves unprecedented ...

Nanophysics Jan 21, 2025

Nanoislands on silicon enable switchable topological textures for new electronic applications

Ferroelectrics at the nanoscale exhibit a wealth of polar and sometimes swirling (chiral) electromagnetic textures that not only represent fascinating physics, but also promise applications in future nanoelectronics. For ...

Nanophysics Jan 13, 2025

Versatile nanothermometer enables real-time material structure and temperature observation

Technological advancements in the simultaneous observation of ultrafine structures and temperature changes in materials are paving the way for the development of advanced materials. This innovation is expected to facilitate ...

Analytical Chemistry Jan 9, 2025

Self-improving catalyst boosts hydrogen generation from ammonia

Scientists have created a catalyst for hydrogen generation from ammonia that becomes more active with time, and by counting atoms, revealed changes that boost the catalyst's performance.

Polymers Jan 6, 2025

Scientists synthesize single-crystal sp² carbon-linked covalent organic frameworks

Chinese scientists proposed a novel imine-to-olefin transformation strategy to synthesize single-crystal sp² carbon-linked covalent organic frameworks (sp²c-COFs).

Analytical Chemistry Dec 12, 2024

Novel zeolite structure demonstrates superior heavy oil cracking efficiency

Researchers have developed a new aluminosilicate zeolite, ZMQ-1, which features a unique intersecting meso-microporous channel system that is expected to enhance catalytic processes in the petrochemical industry.

Analytical Chemistry Dec 10, 2024

Mapping molecular arrangements to pave the way for better catalytic systems

The Stach Group in Penn Engineering has led a collaborative team identifying how chemical catalysts drive the creation of liquid fuels from sunlight, paving the way for more efficient removal of greenhouse gases from the ...

Plants & Animals Dec 9, 2024

Scientists explore photosynthesis for better plant growth under artificial light

Photosynthesis, the process by which plants, algae and certain kinds of bacteria convert solar radiation into chemical energy, must adjust itself to changes in the intensity of sunlight, so as to ensure its efficient use.

Nanophysics Dec 8, 2024

Vortex electric field discovery could impact quantum computing

A new vortex electric field with the potential to enhance future electronic, magnetic and optical devices has been observed by researchers from City University of Hong Kong (CityUHK) and local partners.

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