Energy has become a large societal issue due to the current reliance on non-renewable energy resources and their negative impact on the environment. A growing interest in clean and renewable energy resources makes researchers around the globe to discover new materials. This course aims to introduce nanomaterials design with various energy options. The materials that control the performance of various energy applications, such as energy storage devices, fuel cells, photovoltaic devices, and light-emitting diodes, are explored.