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PI Physik Instrumente - Revolution In Photonics Align LW LB 3/24

Nanodevice Emits Light

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ITHACA, N.Y., Oct. 12, 2007 -- Nanotechnologists have discovered some of the fundamental physics of a material that holds promise for producing light-emitting, flexible semiconductors. The discovery by an interdisciplinary team of Cornell nanotechnology researchers involved years of perfecting a technique for building a specific type of light-emitting device. The interdisciplinary team had long studied the molecular semiconductor ruthenium tris-bipyridine. For many reasons, including its ability to allow electrons and holes (spaces where electrons were before they moved) to pass through it easily, the material has...Read full article

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    Published: October 2007
    Glossary
    light
    Electromagnetic radiation detectable by the eye, ranging in wavelength from about 400 to 750 nm. In photonic applications light can be considered to cover the nonvisible portion of the spectrum which includes the ultraviolet and the infrared.
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    nanotechnology
    The use of atoms, molecules and molecular-scale structures to enhance existing technology and develop new materials and devices. The goal of this technology is to manipulate atomic and molecular particles to create devices that are thousands of times smaller and faster than those of the current microtechnologies.
    photolithography
    Photolithography is a key process in the manufacturing of semiconductor devices, integrated circuits, and microelectromechanical systems (MEMS). It is a photomechanical process used to transfer geometric patterns from a photomask or reticle to a photosensitive chemical photoresist on a substrate, typically a silicon wafer. The basic steps of photolithography include: Cleaning the substrate: The substrate, often a silicon wafer, is cleaned to remove any contaminants from its surface. ...
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    Basic ScienceBiophotonicsConsumerCornellelectrodeselectron force microscopeflat-panel displaysGeorge G. Malliarasindustriallightlight-emitting deviceMicroscopynanonanofabricationnanotechnologyNews & Featuresphotolithographyphotonicsruthenium complex filmruthenium metal complexruthenium tris-bipyridinesemiconductorssensing

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