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Birck Nanotechnology Center News
Simulation, Experiment Unite Graphene and Plasmonics
Jun 28, 2016 — Ever since a single-atom-thick film of graphite was first successfully synthesized back in 2004, graphene has been on a decade-long ride through applications ranging from photovoltaics and next-generation batteries to electronics.
Goodman Prize Goes to Authors of Metamaterials Textbook
WEST LAFAYETTE, Ind., and ATLANTA, May 23, 2014 — Vladimir Shalaev of Purdue University and Wenshan Cai of the Georgia Institute of Technology have been named the 2014 recipients of the Joseph W. Goodman Book Writing Award. Their book, “Optical Metamaterials: Fundamentals and...
'Inverse Opal' Structure Enhances Solar Cell Efficiency
WEST LAFAYETTE, Ind., Jan. 23, 2014 — A technology called “photonic crystals” could increase the light-trapping capability of thin-film solar cells and help bring about lower-cost solar energy. Researchers from Purdue University’s Birck Nanotechnology Center and School...
Plasmonic nanoantennas promise optics with strange new abilities
WEST LAFAYETTE, Ind. – Arrays of plasmonic nanoantennas can abruptly change the phase of light, potentially enabling more powerful microscopes, computers and telecommunications systems. “By abruptly changing the phase, we can dramatically modify how light...
New Diode Opens Door to Optical Info Processing
WEST LAFAYETTE, Ind., Jan. 12, 2012 — A new type of optical device that is small enough to fit millions on a computer chip could lead to faster, more powerful information processing and supercomputers. The “passive optical diode” developed by scientists in the Birck...
‘Plasmonic Nanoantennas’ Promising for Optics
WEST LAFAYETTE, Ind., Jan. 3, 2012 — Arrays of tiny “plasmonic nanoantennas” have been developed that can precisely manipulate light in new ways, potentially enabling optical innovations such as more powerful microscopes, computers and telecommunications. Researchers...
Plasmonics, Nanophotonics Hybrid Promises Powerful Information Processing
WEST LAFAYETTE, Ind., Nov. 1, 2011 — Metamaterials and the merging of two technologies under development are promising the emergence of new quantum information systems far more powerful than today’s computers. The technology, which involves a plasmonics and nanophotonics hybrid,...
Hydrogels Form Precise Sensor
WEST LAFAYETTE, Ind., March 1, 2011 — Researchers are developing a new type of biological and chemical sensor that has few moving parts, is low-cost and yet highly sensitive, sturdy and long-lasting. The "diffraction-based" sensors are made of thin stripes of a gelatinous material...
‘Plasmonic Metamaterials’ May Advance Optical Cloaking
WEST LAFAYETTE, Ind., Jan. 25, 2011 — Researchers are developing a new class of "plasmonic metamaterials" as potential building blocks for advanced optical technologies, including ultrapowerful microscopes and computers, improved solar cells, and a possible invisibility cloak. The...
New Solar Cell Mimics Self-Repairing Plants
WEST LAFAYETTE, Ind., Jan. 6, 2011 — Researchers are creating a type of solar cell designed to self-repair the same way natural photosynthetic systems in plants do, by using carbon nanotubes and DNA. The approach is aimed at increasing service life and reducing cost. ...
Light-Amplifying Metamaterial Created
WEST LAFAYETTE, Ind., Aug. 4, 2010 — Researchers have overcome a fundamental obstacle in using new "metamaterials" for radical advances in optical technologies, including ultrapowerful microscopes and computers and a possible invisibility cloak. The metamaterials have been...
New Method Manipulates Particles
WEST LAFAYETTE, Ind., June 22, 2010 — Researchers at Purdue University have developed a potential new tool for medical diagnostics, for testing food and water for contamination and for crime scene forensics. The novel technique uses a combination of light and electric fields to position...
Gold-Silver Nanocages Improve Imaging
WEST LAFAYETTE, Ind., April 13, 2010 — An experimental ultrasensitive medical imaging technique that uses pulsed laser and tiny metallic “nanocages” might enable both the early detection and treatment of disease. The system works by shining near-infrared laser pulses through...
'Spaser' Nanolaser Realized
WEST LAFAYETTE, Ind., Aug. 17, 2009 – By harnessing clouds of electrons called surface plasmons instead of photons, engineers at Purdue University overcame a barrier preventing lasers from being integrated into electronic circuits. Their nanolaser, the "spaser," is the first of its kind...
Cloak has Tapered Waveguide
WEST LAFAYETTE, Ind., May 20, 2009 -- Using a specially tapered optical waveguide instead of exotic metamaterials that require complex nanofabrication, researchers have created a simplified invisibility cloak that, unlike previous ones, works for all colors of the visible spectrum. The...
Light Positions Particles
WEST LAFAYETTE, Ind., Dec. 3, 2008 -- Light created by lasers and holograms has been used to precisely position many tiny particles within seconds. The technique has the potential to become a new tool for analyzing biological samples or creating devices using nanoassembly. The...
LEDs Created on Silicon
WEST LAFAYETTE, Ind., July 21, 2008 -- By using inexpensive silicon wafers instead of pricey sapphire as a foundation for creating LEDs, researchers said they have overcome a major obstacle keeping solid-state lighting from becoming more widely used. Solid-state lighting is about...
Microdevice to Track Tumors
WEST LAFAYETTE, Ind., April 11, 2008 -- A wireless, needle-like injectable device has been designed to more effectively kill tumors by telling doctors the precise dose of radiation received and the exact position of tumors during treatment. Babak Ziaie, an associate professor in the...
MEMS Center Awarded $17M
WEST LAFAYETTE, Ind., March 11, 2008 -- The National Nuclear Security Administration (NNSA) will award $17 million over the next five years to research that aims to make microelectromechanical systems (MEMS) more reliable and durable for commercial and defense applications. The...
'Nanocantilever' Surprises Crucial for Sensor Design
WEST LAFAYETTE, Ind., Aug. 29, 2006 -- A discovery about the behavior of tiny structures called nanocantilevers could be crucial in designing a new class of ultrasmall sensors for detecting viruses, bacteria and other pathogens. Researchers at Purdue University said the...
Nanorods Could Improve Cancer Detection
Oct 28, 2005 — WEST LAFAYETTE, Ind., Oct. 28 -- Researchers at Purdue University have taken a step toward developing a new type of ultrasensitive medical imaging technique that works by shining a laser through the skin to see tiny gold nanorods injected into the...
(21 results found)
April 2024
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