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106 Current newsrss
Researchers' crystal-production insights resolve manufacturing difficulty
In the journal Science, Los Alamos National Laboratory researchers reveal a new solution-based hot-casting technique that allows growth of highly efficient and reproducible solar cells from large-area perovskite crystals."These perovskite crystals offer promising routes for developing low-cost, ...
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. The researchers describe their novel perovskite-silicon solar cell in Energy & Environmental Science."We've been ...
University of Oregon microscope puts spotlight on the surface structure of quantum dots for designing new solar devices
A potential path to identify imperfections and improve the quality of nanomaterials for use in next-generation solar cells has emerged from a collaboration of University of Oregon and industry researchers. To increase light-harvesting efficiency of solar cells beyond silicon's limit of about 29 ...
As the installation of photovoltaic solar cells continues to accelerate, scientists are looking for inexpensive materials beyond the traditional silicon that can efficiently convert sunlight into electricity. Theoretically, iron pyrite - a cheap compound that makes a common mineral known as ...
Proposal could divert a dangerous waste stream while producing low-cost photovoltaics
This could be a classic win-win solution: A system proposed by researchers at MIT recycles materials from discarded car batteries — a potential source of lead pollution — into new, long-lasting solar panels that provide emissions-free power. The system is described in a paper in the journal ...
UMass Amherst team invents a way to create versatile, water-soluble nano-modules
A team of materials chemists, polymer scientists, device physicists and others at the University of Massachusetts Amherst report a breakthrough technique for controlling molecular assembly of nanoparticles over multiple length scales that should allow faster, cheaper, more ecologically friendly ...
University of Central Florida physicist Zenghu Chang has done it again. For a third time this year, his research group has published an article in a Nature journal. This time, Chang and his team have developed a new ultrafast light source for observing electron motion in molecules – made up of ...
Environmentally friendly solar cell pushes forward the 'next big thing in photovoltaics'
Northwestern University researchers are the first to develop a new solar cell with good efficiency that uses tin instead of lead perovskite as the harvester of light. The low-cost, environmentally friendly solar cell can be made easily using "bench" chemistry -- no fancy equipment or hazardous ...
Dual-catalyst technique controls 'handedness' of product
When chemist Tehshik Yoon looks out his office window, he sees a source of energy to drive chemical reactions. Plants "learned" to synthesize chemicals with sunlight eons ago; Yoon came to the field a bit more recently. In the journal Science, he and three collaborators detail a way to use ...
New research from North Carolina State University and UNC-Chapel Hill reveals that energy is transferred more efficiently inside of complex, three-dimensional organic solar cells when the donor molecules align face-on, rather than edge-on, relative to the acceptor. This finding may aid in the ...