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- W4293752849 abstract "Abstract This chapter introduces the zero-dimensional electrons in Quantum Dots (QD)s, and obtains expressions for the quantized subbands, density-of-state function, absorption, gain, and emission properties by following the simple particle-in-a box picture. Elementary ideas of growth by self-assembly are given next, mentioning the effect of size distribution in the ideal absorption spectra. The structure of QD lasers, the gain characteristics, and the competition between electron-hole and excitonic recombination are next illustrated. The difference between strong and weak confinement regimes is then pointed out. The elementary theory of excitonic processes is refined by empirical methods. A classification of nanocrystals based on growth by top-down and bottom-up methods is then given, mentioning synthesis of nanoparticles. The core-shell nanostructures are next illustrated. A brief discussion on bright and dark excitons, biexcitons, and trions then follows. Applications like QD lasers, detectors, QD infrared photodetector, solar cells, colour filters, and photochromatic glasses are mentioned." @default.
- W4293752849 created "2022-08-31" @default.
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- W4293752849 date "2022-04-05" @default.
- W4293752849 modified "2023-10-14" @default.
- W4293752849 title "Nanoparticles" @default.
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- W4293752849 doi "https://doi.org/10.1093/oso/9780198784692.003.0009" @default.
- W4293752849 hasPublicationYear "2022" @default.
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