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nanopillars News
Metalens Design Uses Millions of Holes to Focus Light into Single Point
CAMBRIDGE, Mass., Oct. 19, 2021 — Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) developed a metalens that uses deep narrow holes, rather than tall pillars, to focus light to a single point. The metasurface uses more than 12 million...
Screen Saver
Dec 12, 2014 — Let’s face it: We spend a large portion of our day looking at screens. The jury is still out on whether that’s an entirely good or bad thing, but it is the reality of modern life. Our ever-evolving arsenal comprises cellphones, tablets,...
Nanopillars Enhance Solar Efficiency
AMHERST, Mass., Oct. 3, 2014 — Mimicking the highly efficient light-harvesting structures of blades of grass could boost power-conversion efficiency in solar panels.
Glowing nanopillars light up cells
STANFORD, Calif. – A novel cellular research platform uses nanopillars that glow in such a way as to allow a deeper and more precise look into living cells. A Stanford University team led by chemist Bianxiao Cui developed the precise system of illumination. ...
A Limit to Nanotechnology Mass Production?
CAMBRIDGE, England, May 5, 2011 — In a bold statement that raised questions about a billion-dollar industry, Mike Kelly, professor and nanotechnology scientist at the Center for Advanced Photonics and Electronics at the University of Cambridge, said that structures with a diameter...
Glowing Nanopillars Light Up Cells
STANFORD, Calif., April 14, 2011 — A novel cellular research platform created at Stanford University uses nanopillars that glow in such a way as to allow a deeper and more precise look into living cells. The Stanford team — led by chemist Bianxiao Cui and engineer Yi Cui (no...
Nanolasers grown on silicon surface
BERKELEY, Calif. – Nanolasers now can be grown directly onto a silicon surface, an achievement that could lead to a new class of faster, more efficient microprocessors, as well as to powerful biochemical sensors that use optoelectronic chips. The results are...
Nanolasers Grown on Silicon Surface
BERKELEY, Calif., Feb. 9, 2011 — Nanolasers have been grown directly onto a silicon surface, an achievement that could lead to a new class of faster, more efficient microprocessors, as well as to powerful biochemical sensors that use optoelectronic chips. "Our results impact a...
Future Bright for Nanopillar Light Collectors
BERKELEY, Calif., Nov. 22, 2010 — Sunlight represents the cleanest, greenest and far and away the most abundant of all energy sources, and yet its potential remains woefully underutilized. High costs have been a major deterrent to the large-scale applications of silicon-based solar...
Nanopillars Demystified
PASADENA, Calif., Oct. 27, 2009 – The physical mechanism by which arrays of nanoscale pillars can be grown on polymer films with very high precision and in potentially limitless patterns, was realized by scientists at the California Institute of Technology.
The road to solar cell supremacy
Oct 1, 2009 — The silicon traditionally used to make solar panels is costly and inefficient at converting sunlight into electricity, experts say, yet it remains the material most commonly used to make solar panels. “This sounds rather ugly, but silicon is the...
Nanostructured Material Exhibits Negative Refractive Index in the Visible
Jan 1, 2006 — A team of investigators at the University of Manchester in the UK, the Institute of Microelectronics Technology in Chernogolovka, Russia, and Aston University in Birmingham, UK, has reported a real part of the refractive index of −0.7 at...
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April 2024
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