This is a comprehensive guidebook that covers the principles and applications of electron transport in materials for optoelectronic devices. The book starts with an introduction to the basics of electron transport, including the concept of conductivity, mobility, and carrier concentration. It then delves into the specific properties of materials that are used in optoelectronic devices, such as semiconductors, metals, and insulators. The author discusses the various techniques used to measure electron transport properties, including electrical and optical methods. He also covers the challenges and limitations associated with these techniques, as well as strategies to overcome them. The book then explores the use of electron transport properties in various optoelectronic devices, such as solar cells, light-emitting diodes, and photodetectors. The author describes the key components of these devices, including the materials used, device structures, and working principles. He also discusses the role of electron transport in device performance and optimization. Overall, "Electron Transport Properties for Optoelectronic Devices" provides a comprehensive overview of electron transport in materials for optoelectronic devices. It is an essential reference for researchers and graduate students working in the field of optoelectronics, as well as for professionals in industry who are involved in the design and development of optoelectronic devices.