Quantum dot optoelectronic devices This book captures cutting edge research in semiconductor quantum dot devices discussing preparation methods and properties and providing a comprehensive overview of their optoelectronic applications. Quantum dots (QDs) with particle sizes in the nanometer range have unique electronic and optical properties. They have the potential to open an avenue for next generation optoelectronic methods and devices such as lasers biomarker assays field effect transistors LEDs photodetectors and solar concentrators. By bringing together leaders in the various application areas this book is both a comprehensive introduction to different kinds of QDs with unique physical properties as well as their preparation routes and a platform for knowledge sharing and dissemination of the latest advances in a novel area of nanotechnology. . Chapter1: Quantum dot based thin film III V solar cells Chapter2: The development of quantum emitters based on semiconductor quantum dots Chapter3: Cesium Lead Halide Perovskite Quantum Dots in Light: Dynamics and Applications Chapter4: Quantum Dot Materials towards High Speed and Ultrafast Laser Applications Chapter5: Quantum Dot Interfaces for Memristor Chapter6: Bioresource derived Graphene Quantum Dots: A Tale of Sustainable Materials and their Applications Chapter7: Gate defined quantum dots: fundamentals and applications Chapter8: Colloidal Quantum Dots for Highly Efficient Photovoltaics Chapter9: Progress on Quantum Communication with Quantum Dot Devices.