Search results for copper indium diselenide

General Physics Sep 15, 2020

Theoretically, two layers are better than one for solar-cell efficiency

Solar cells have come a long way, but inexpensive, thin film solar cells are still far behind more expensive, crystalline solar cells in efficiency. Now, a team of researchers suggests that using two thin films of different ...

Materials Science Jul 4, 2018

High performance nitride semiconductor for environmentally friendly photovoltaics

A Tokyo Institute of Technology research team has shown copper nitride acts as an n-type semiconductor, with p-type conduction provided by fluorine doping, utilizing a unique nitriding technique applicable for mass production ...

Condensed Matter Apr 25, 2018

Why perovskite solar cells are so efficient

Solar cells with efficiencies above 20% and produced at low costs – perovskites make this possible. Now, researchers of Karlsruhe Institute of Technology (KIT) have gained fundamental insight into the function of perovskite ...

Energy & Green Tech Mar 23, 2018

Researchers refute 20-year-old assumptions in solar cell production

Research led by the University of Luxembourg investigated the manufacturing process of solar cells. The researchers proved that assumptions on chemical processes that were commonplace among researchers and producers for the ...

Nanomaterials Feb 12, 2016

Scientists use common glass to optimize graphene's electronic properties

Graphene, the two-dimensional powerhouse, packs extreme durability, electrical conductivity, and transparency into a one-atom-thick sheet of carbon. Despite being heralded as a breakthrough "wonder material," graphene has ...

Energy & Green Tech Nov 23, 2015

Tandem solar cells are more efficient

Stacking two solar cells one over the other has advantages: Because the energy is "harvested" in two stages, and overall the sunlight can be converted to electricity more efficiently. Empa researchers have come up with a ...

Nanophysics Aug 19, 2015

'Quantum dot' technology may help light the future

Advances at Oregon State University in manufacturing technology for "quantum dots" may soon lead to a new generation of LED lighting that produces a more user-friendly white light, while using less toxic materials and low-cost ...

Mar 27, 2015

Study identifies the challenges facing large-scale deployment of solar photovoltaics

In a broad new assessment of the status and prospects of solar photovoltaic technology, MIT researchers say that it is "one of the few renewable, low-carbon resources with both the scalability and the technological maturity ...

Nanophysics Mar 3, 2015

Tuning energy levels through surface chemistry shows promise for higher efficiency quantum dot solar cells

Solar cells made out of lead sulfide quantum dots could eventually offer a cheaper, more flexible alternative to ones made using silicon, but they are currently much less efficient. However, altering the chemical composition ...

Energy & Green Tech Jan 15, 2015

Perovskites provide big boost to silicon solar cells

Stacking perovskites onto a conventional silicon solar cell dramatically improves the overall efficiency of the cell, according to a new study led by Stanford University scientists.

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