Indium is a very special and unique metal that is used in various industries such as electronics, solar and semiconductors due to its special physical and chemical properties. There are possible alternatives to indium in some applications, but they may not be equivalent in all applications.
An example of an alternative to indium is silver nanowire, which is used in some applications as a substitute for indium tin oxide (ITO) in the manufacture of touch screens. Another example is conductive polymers, which can be used as a substitute for indium in the electronics industry.
Although there are possible alternatives in some applications, it is important to note that indium is still an important raw material in many industries and may not be easily replaced by other materials in some applications. It is therefore expected that the demand for indium will continue to be stable and even increase in the near future.