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Quantum dots, SEMs

Quantum dots, SEMs

C011/3655

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Credit

VERMA / NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY / SCIENCE PHOTO LIBRARY VERMA / NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY / SCIENCE PHOTO LIBRARY

Caption

Quantum dots. Coloured scanning electron micrograph (SEM) of quantum dots. Quantum dots are nanocrystals of semiconductor material that emit photons when excited. The size of the quantum dot can be tuned during manufacturing to produce a certain wavelength of photon emission. These dots were produced using electron beam lithography and etching. This method allows more control over the shaping and positioning the quantum dots than conventional crystal growth methods. Quantum dots have a number of applications including use in light emitting diodes (LEDs), quantum computing, solar panels and labelling biological tissue.

Release details

Model release not required. Property release not required.

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