Researchers have been examining the properties of quantum dots for a long time. This book describes the modern applications of quantum dots with the help of valuable information. It provides a compilation of various practical applications of quantum dots. The book contains an overview of the thermo-optical characterization of CdSe/ZnS core-shell nanocrystal solutions and also discusses new optical and lasing applications along with a few examples of quantum dot systems for distinct applications in electronics. Examples regarding the usage of this system for biological applications have also been provided. It contains latest research work contributed by researchers and scientists related to this field from across the world, providing the readers with general research like the one conducted in basic sciences like chemistry, medicine, biology and physics with a valuable base text presenting latest research in the field of quantum-dot systems.