Semiconductor Manufacturing: Red cuprous oxide is widely used in the semiconductor industry, where it serves as a crucial material for the fabrication of electronic components and devices.

Solar Cells: Due to its unique electronic properties, red cuprous oxide is employed in the development of solar cells. It acts as a photovoltaic material, contributing to the conversion of sunlight into electrical energy.

Corrosion Inhibition: The compound is utilized as a corrosion inhibitor, providing protection to metal surfaces by forming a protective layer that prevents corrosion and degradation.

Gas Sensing Devices: The semiconductor properties of red cuprous oxide make it suitable for use in gas sensors, enabling the detection of specific gases in various applications, including environmental monitoring and safety

Catalysis: Red cuprous oxide is employed as a catalyst in various chemical reactions, playing a key role in promoting or facilitating these reactions without being consumed itself.

Pigments: Its vibrant red color makes red cuprous oxide a valuable pigment in the paint and coatings industry, adding color to a variety of products.