Indium(III) sulfide is widely used in the field of optoelectronics due to its semiconducting properties. It is a key material in the production of photovoltaic cells, where it helps in converting solar energy into electrical energy efficiently. Additionally, it is utilized in the fabrication of thin-film transistors and other electronic devices that require high-performance semiconductors.

In the realm of photodetectors, Indium(III) sulfide serves as a sensitive material that can detect light across a broad spectrum, making it valuable in imaging and sensing technologies. Its ability to operate effectively in various lighting conditions enhances its applicability in security systems and environmental monitoring equipment.

Moreover, this compound is explored in the development of next-generation batteries, particularly in solid-state batteries, where it contributes to improving energy density and safety. Its stability and conductivity make it a promising candidate for enhancing the performance and longevity of energy storage systems.

Overall, Indium(III) sulfide plays a crucial role in advancing technologies related to energy conversion, electronic devices, and sustainable energy solutions.