Quantum Dots: Theory & Applications 9781681173207

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Автор: Rodolph Donovan
Название: Quantum Dots: Theory & Applications
ISBN: 9781681173207
Издательство: Gazelle Book Services
Классификация:

Квантовая физика (квантовая механика и квантовая теория поля)

Машиноведение

Электротехническое машиностроение

Производство и распределение электроэнергии

Электроника

Полупроводники и сверхпроводники

ISBN-10: 1681173204
Обложка/Формат: Hardback
Страницы: 304
Вес: 0.00 кг.
Дата издания: 01.01.2017
Серия: Engineering
Язык: English
Размер: 230 x 155
Читательская аудитория: Postgraduate, research & scholarly
Ключевые слова: Mechanical engineering
Подзаголовок: Theory & applications
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Поставляется из: Англии
Описание: A quantum dot is a nanoparticle made of any semiconductor material such as silicon, cadmium selenide, cadmium sulfide, or indium arsenide. Quantum dots may be able to increase the efficiency of solar cells. In normal solar cells, a photon of light generates one electron. Experiments with both silicon quantum dots and lead sulfide quantum dots can generate two electrons for a single photon of light. Therefore, using quantum dots in solar cells could significantly increase their efficiency in producing electric power. Quantum dots (QD) are nanoscale semiconductor devices that tightly confine either electrons or electron holes in all three spatial dimensions. They can be made through several possible routes including colloidal synthesis, plasma synthesis, or mechanical fabrication. The electronic properties of the quantum dots fall between those of bulk semiconductors and those of discrete molecules of comparable size, and optoelectronic properties such as band gap, can be tuned as a function of particle size and shape for a given composition. Because of the high tunability of properties, QDs are of interest in many research applications such as transistors, solar cells, LEDs, and diode lasers. For instance, the ability of QDs to precisely convert and tune a spectrum makes them ideal for LCD displays. Previous LCD displays can waste energy converting red-green poor, blue-yellow rich white light into a more balanced lighting. By using QDs, only the necessary colours for ideal images are contained in the screen. The result is a screen that is brighter, clearer, and more energy-efficient. Researchers are also working on the use of quantum dots in displays for applications ranging from your cell phone to large screen televisions that would consume less power than current displays. By placing different size quantum dots in each pixel of a display screen, the red, green, and blue colors used to generate the full spectrum of colors would be available. The book Quantum Dots - Theory and Applications covers some new research results in the field of fundamental excitations, decoherence, charge states, epitaxial techniques and photoluminescence experiments related to devices made with quantum dots also includes numerous applications of quantum dots.

Quantum Dots: Theory & Applications, Rodolph Donovan