Energy & Green Tech

All-perovskite tandem solar cells with 24.8% efficiency

A team of researchers at Nanjing University in China and the University of Toronto in Canada have recently fabricated all-perovskite tandem solar cells (PSCs), a type of solar cell with a key perovskite structured component. ...

Energy & Green Tech

A touch of zirconium to better catch the sun

Transparent conductive films that let through a broader range of the solar spectrum have been developed by KAUST and are set to increase the power conversion efficiency of perovskite-based multijunction solar cells beyond ...

Energy & Green Tech

A new water-splitting technique to generate clean hydrogen

Electrolytic hydrogen production entails the generation of hydrogen from water using electrical power, which should ideally come from renewable power sources such as sunlight and wind. Although this method of producing hydrogen ...

Engineering

Photovoltaic-powered sensors for the 'Internet of Things'

By 2025, experts estimate the number of Internet of Things devices—including sensors that gather real-time data about infrastructure and the environment—could rise to 75 billion worldwide. As it stands, however, those ...

Engineering

Researchers report a new way to produce curvy electronics

Contact lenses that can monitor your health as well as correct your eyesight aren't science fiction, but an efficient manufacturing method—finding a way to produce the curved lenses with embedded electronics—has remained ...

Consumer & Gadgets

A new non-fullerene acceptor for indoor solar energy applications

Organic photovoltaic (OPV) cells, a third-generation solar cell technology that can convert solar energy into electricity, have been found to be more efficient than silicon cells under low light intensity indoor LED illumination. ...

Energy & Green Tech

Welcome indoors, solar cells

Swedish and Chinese scientists have developed organic solar cells optimized to convert ambient indoor light to electricity. The power they produce is low, but is probably enough to feed the millions of products that the Internet ...

Energy & Green Tech

Device generates light from the cold night sky

An inexpensive thermoelectric device harnesses the cold of space without active heat input, generating electricity that powers an LED at night, researchers report September 12 in the journal Joule.

Energy & Green Tech

Researchers set solar record with next-gen cells

Researchers from the Australian National University (ANU) have broken new ground in solar cell energy efficiency and in the process provided a glimpse of the technology's future.

Energy & Green Tech

Tiny tweaks for big wins in solar cells

Solar cell performance and stability depend on the morphology of the thin films, especially their ability to crystallize in the so-called photoactive α-phase. Perovskites containing lead tend to combine various halides, ...

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Solar cell

A solar cell or photovoltaic cell is a device that converts light directly into electricity by the photovoltaic effect. Sometimes the term solar cell is reserved for devices intended specifically to capture energy from sunlight, while the term photovoltaic cell is used when the light source is unspecified. Assemblies of cells are used to make solar panels, solar modules, or photovoltaic arrays. Photovoltaics is the field of technology and research related to the application of solar cells in producing electricity for practical use. The energy generated this way is an example of solar energy (also called solar power).

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