White light-emitting diodes (LEDs), the semiconductor devices underpinning the functioning of countless lighting technologies on the market today, were first released to the public in 1996. Following their commercial debut, these devices have fueled significant...
Energy & Green Tech
On-demand Lewis base formation strategy boosts efficiency and stability of perovskite solar cells
Solar cells based on perovskites, materials with a characteristic crystal structure first unveiled in the mineral calcium titanate (CaTiO3), have emerged as a promising alternative to conventional silicon-based photovoltaics. A key advantage of these materials is that...
Assessing the potential of hydrogen and carbon dioxide networks for the future of European energy systems
Over the past decades, many countries worldwide have been trying to gradually transform their energy systems, with the aim of reducing carbon emissions and mitigating the adverse effects of climate change. Hydrogen and carbon dioxide (CO2) transport networks,...
Passivation technique reduces defects in kesterite solar cells to achieve 11.51% efficiency
Over the past few decades, solar cells have become increasingly widespread, with a growing number of individuals and businesses worldwide now relying on solar energy to power their homes or operations. Energy engineers worldwide have thus been trying to identify...
Ink engineering approach boosts efficiency and cuts cost of quantum dot-based photovoltaics
Colloidal quantum dots (CQDs) are tiny semiconductor particles that are just a few nanometers in size, which are synthesized in a liquid solution (i.e., colloid). These single-crystal particles, created by breaking down bulk materials via chemical and physical...
Mimosa seed bio-piezoelectric device functions as self-charging supercapacitor with high efficiency
Most energy generators currently employed within the electronics industry are based on inorganic piezoelectric materials that are not bio-compatible and contribute to the pollution of the environment on Earth. In recent years, some electronics researchers and chemical...
Magnesium-doped quantum dots boost perovskite/organic tandem solar cell stability
Photovoltaic (PV) solutions, which are designed to convert sunlight into electrical energy, are becoming increasingly widespread worldwide. Over the past decades, engineers specialized in energy solutions have been trying to identify new solar cell designs and PV...
New electrolytes enable safe, stable and fast-charging lithium-metal batteries
In recent years, researchers have been trying to develop increasingly advanced battery technologies that can be charged faster and store more energy, while also remaining safe and stable over time. Lithium-metal batteries (LMBs), which contain a lithium-metal-based...
New highly performing Ni-rich cathode active materials for all-solid-state batteries
To support the further advancement of the electronics industry, energy researchers have been trying to develop new battery technologies that could be charged faster, power devices for a greater amount of time and have longer overall lifetimes. Some of the most...
Asymmetric ether solvents enhance Li-metal battery charging and stability
To fuel the future advancement of the electronics industry, engineers will need to develop batteries that can be charged quickly, have higher energy densities (i.e., can store more energy) and last longer. Among the most promising alternatives to lithium-ion (Li-ion)...