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  2. Quantum dot - Wikipedia

    en.wikipedia.org/wiki/Quantum_dot

    Type I quantum dots are composed of a semiconductor core encapsulated in a second semiconductor material with a larger bandgap, which can passivate non-radiative recombination sites at the surface of the quantum dots and improve quantum yield. Inverse type I quantum dots have a semiconductor layer with a smaller bandgap which leads to ...

  3. Quantum dot display - Wikipedia

    en.wikipedia.org/wiki/Quantum_dot_display

    A widespread practical application is using quantum dot enhancement film (QDEF) layer to improve the LED backlighting in LCD TVs.Light from a blue LED backlight is converted by QDs to relatively pure red and green, so that this combination of blue, green and red light incurs less blue-green crosstalk and light absorption in the color filters after the LCD screen, thereby increasing useful ...

  4. Quantum dot solar cell - Wikipedia

    en.wikipedia.org/wiki/Quantum_dot_solar_cell

    A quantum dot solar cell (QDSC) is a solar cell design that uses quantum dots as the captivating photovoltaic material. It attempts to replace bulk materials such as silicon , copper indium gallium selenide ( CIGS ) or cadmium telluride ( CdTe ).

  5. Superconducting quantum computing - Wikipedia

    en.wikipedia.org/wiki/Superconducting_quantum...

    Superconducting quantum computing is a branch of solid state physics and quantum computing that implements superconducting electronic circuits using superconducting qubits as artificial atoms, or quantum dots.

  6. Quantum dot single-photon source - Wikipedia

    en.wikipedia.org/wiki/Quantum_dot_single-photon...

    Therefore, the quantum dot is an emitter of single photons. A key challenge in making a good single-photon source is to make sure that the emission from the quantum dot is collected efficiently. To do that, the quantum dot is placed in an optical cavity. The cavity can, for instance, consist of two DBRs in a micropillar (Fig. 1).

  7. Quantum dot laser - Wikipedia

    en.wikipedia.org/wiki/Quantum_dot_laser

    A quantum dot laser is a semiconductor laser that uses quantum dots as the active laser medium in its light emitting region. Due to the tight confinement of charge carriers in quantum dots, they exhibit an electronic structure similar to atoms.

  8. Cadmium-free quantum dot - Wikipedia

    en.wikipedia.org/wiki/Cadmium-free_quantum_dot

    Fabrication of the quantum dot LED involved a blue chip as a blue light source and a silicon resin containing the quantum dots on top of the chip creating the sample, with good results obtained from the experiment. [23] Silicon A third type of quantum dot that does not contain heavy metals is the silicon quantum dot.

  9. Silicon quantum dot - Wikipedia

    en.wikipedia.org/wiki/Silicon_quantum_dot

    Silicon quantum dots are metal-free biologically compatible quantum dots with photoluminescence emission maxima that are tunable through the visible to near-infrared spectral regions. These quantum dots have unique properties arising from their indirect band gap , including long-lived luminescent excited-states and large Stokes shifts .

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