efficiency

74 Articles
All-organic solar cells achieve record efficiency by doubling previous performance
Tech

All-organic solar cells achieve record efficiency by doubling previous performance

Example of damage to the lower layer of a solar cell disposal formed from multilayer films when fabricating electrodes using a solution processes....

Skia technique decodes ‘shadow branches’ to boost data center efficiency
Tech

Skia technique decodes ‘shadow branches’ to boost data center efficiency

Chrysanthos Pepi and Dr. Paul Gratz standing in front of HPRC server clusters. Credit: Hayden Schonhoeft/Texas A&M Engineering What happens when trailblazing engineers...

Passivation technique reduces defects in kesterite solar cells to achieve 11.51% efficiency
Tech

Passivation technique reduces defects in kesterite solar cells to achieve 11.51% efficiency

Solar cell fabrication and photovoltaic performance. Credit: Nature Energy (2025). DOI: 10.1038/s41560-025-01756-2 Over the past few decades, solar cells have become increasingly widespread,...

A single molecule boosts perovskite solar cell efficiency and lifespan
Tech

A single molecule boosts perovskite solar cell efficiency and lifespan

Photograph of the process of preparing large-area perovskite film by blade-coating. Credit: Science (2025). DOI: 10.1126/science.adv4701 A new study in Science shows that...

Ink engineering approach boosts efficiency and cuts cost of quantum dot-based photovoltaics
Tech

Ink engineering approach boosts efficiency and cuts cost of quantum dot-based photovoltaics

The entire fabrication of printable quantum dot solar cells by a slot-die printer took place in a cleanroom at Funsom, Soochow University. Credit:...

Flexible tandem solar cells achieve 24.6% efficiency and withstand 3,000 bends in new study
Tech

Flexible tandem solar cells achieve 24.6% efficiency and withstand 3,000 bends in new study

Flexible perovskite/CIGS tandem solar cells developed using the antisolvent-seeding approach. Credit: NIMTE Chinese scientists have found a way to make flexible tandem solar...

Hybrid thermoelectric material achieves high efficiency by decoupling heat and charge transport
Tech

Hybrid thermoelectric material achieves high efficiency by decoupling heat and charge transport

Microstructure evolution in Fe2V0.95Ta0.1Al0.95 Heusler compounds upon incorporating Bi1−xSbx. Credit: Nature Communications (2025). DOI: 10.1038/s41467-025-57250-6 Thermoelectric materials enable the direct conversion of heat...

Appliance efficiency standards save consumers billions, reduce pollution and fight climate change
Tech

Appliance efficiency standards save consumers billions, reduce pollution and fight climate change

Credit: Unsplash/CC0 Public Domain President Donald Trump has said he wants to reverse decades of regulations about energy efficiency in American household appliances,...

Solar cell efficiency record achieved with tin halide perovskite
Tech

Solar cell efficiency record achieved with tin halide perovskite

Schematic illustration of the primary colloidal stabilization of PEA-rich colloids and FA-based colloids, cluster formation and nucleation kinetics, and the growth processes of...