Quantum Dot
ebook ∣ Forget your 4K ultra high-definition TV, the quantum leaps into vivo imaging including live cell, blood cancer assay, cancer detection and treatment · Emerging Technologies in Materials Science
By Fouad Sabry
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What Is Quantum Dot
Quantum dots (QDs) are semiconductor particles a few nanometres in size, having optical and electronic properties that differ from larger particles due to quantum mechanics. They are a central topic in nanotechnology. When the quantum dots are illuminated by UV light, an electron in the quantum dot can be excited to a state of higher energy. In the case of a semiconducting quantum dot, this process corresponds to the transition of an electron from the valence band to the conductance band. The excited electron can drop back into the valence band releasing its energy by the emission of light. This light emission (photoluminescence) is illustrated in the figure on the right. The color of that light depends on the energy difference between the conductance band and the valence band, or transition between discretized energy states when band structure is no longer a good definition in QDs.
How You Will Benefit
(I) Insights, and validations about the following topics:
Chapter 1: Quantum dot
Chapter 2: Quantum dot solar cell
Chapter 3: Light-emitting diode
Chapter 4: Quantum dot display
Chapter 5: Health and safety hazards of nanomaterials
Chapter 6: Nanotoxicology
Chapter 7: Photocatalysis
Chapter 8: Potential well
(II) Answering the public top questions about quantum dot.
(III) Real world examples for the usage of quantum dot in many fields.
(IV) 17 appendices to explain, briefly, 266 emerging technologies in each industry to have 360-degree full understanding of quantum dot' technologies.
Who This Book Is For
Professionals, undergraduate and graduate students, enthusiasts, hobbyists, and those who want to go beyond basic knowledge or information for any kind of quantum dot.
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