Journal of Electrical & Electronic Systems

Efficient power supply for Internet of Things (IoT) devices remains a challenge, demanding innovative solutions for sustainable and self-sufficient operation. This article presents a comprehensive exploration of a hybrid energy harvesting system designed to convert both thermal and optical energies into electrical power for IoT nodes. By integrating thermoelectric and photovoltaic technologies, this system harnesses diverse energy sources, enabling continuous, reliable, and environmentally friendly power generation for IoT applications. The review encompasses the working principles, design considerations, and potential applications of this hybrid system, highlighting its transformative potential in powering IoT nodes in various environments.

Photonic crystals have garnered substantial attention for their ability to manipulate light at the nanoscale, leading to groundbreaking advancements in photonics and optical device technology. This article offers a comprehensive review of recent developments in photonic crystal devices, encompassing their design principles, fabrication techniques, and diverse applications across various fields. The review explores the evolving landscape of photonic crystal devices, including photonic crystals for integrated circuits, sensors, telecommunications, and quantum computing. Through an in-depth analysis of emerging trends and innovative applications, this review highlights the transformative potential of photonic crystal devices in shaping future optical technologies.

Active infrared imaging has emerged as a potent tool for defect detection in electronic components and renewable energy systems. This article explores the latest advancements in active infrared imaging techniques, focusing on their application in detecting faults and irregularities in electronic devices, photovoltaic panels, wind turbines, and other renewable energy infrastructure. It delves into the principles, methodologies, and technological innovations driving the evolution of active infrared imaging for precise defect identification and analysis. By examining case studies and recent developments, this review aims to elucidate the potential impact of these advancements in enhancing reliability, efficiency, and maintenance practices in electronic and renewable energy industries.

Non-fullerene Organic Photovoltaic (OPV) systems have emerged as promising candidates for renewable energy due to their efficiency and versatility. However, their performance under low-light or indoor conditions remains a challenge. This article delves into the significance of cathode interfacial layers in improving the efficacy of non-fullerene OPV systems in low-light and indoor environments. It explores the role of these layers in enhancing charge extraction, minimizing losses, and optimizing the device's overall performance. Various strategies and materials utilized in creating effective cathode interfacial layers are discussed, highlighting their impact on the efficiency and stability of OPV systems. The insights provided here aim to pave the way for the development of more efficient, stable, and adaptable organic photovoltaic technologies.