Production of Nanowires

The fabrication of a nanowire can be done either with vapor deposition using specialty gases, or with a laser aimed at a target material to produce a specific vapor. The gases eventually condense on a substrate material, like silicon, forming a nanowire.

The tiny nanowires have the potential to be used in medical applications. A tiny nanowire sensor used in medical diagnostic tests is 1,000 times more sensitive than conventional tests. The nanosensor is capable of producing test results in minutes rather than in days or weeks. This feature could pave the way for faster and more accurate medical diagnostic tests that would allow earlier disease detection and intervention.

Several companies are developing nanowire devices. These devices will be used for chemical sensing, lasers and light-emitting diodes, and, in the future, nanoelectronics.

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