Semiconductors are: elemental semiconductor, compound semiconductor, solid solution semiconductor, nano semiconductor, porous semiconductor.

1. Elemental semiconductors

A semiconductor composed of a single element, such as silicon (Si) and germanium (Ge). These elemental semiconductors have stable chemical properties and high electrical conductivity and are often used in the manufacture of integrated circuits and electronic devices.

2. Compound semiconductors

Semiconductors consisting of two or more elements, such as GaAs (gallium arsenide) and InP (indium phosphide). These compound semiconductors have a wide band gap and special physical properties, and are often used to manufacture optoelectronic devices and high frequency, high power electronic devices.

3, solid solution semiconductor A mixture of semiconductors consisting of two or more different elements, such as SiGe (silicon-germanium) and InGaAs (indium-gallium arsenide). These solid solution semiconductors have tunable physical and chemical properties and are often used to manufacture highly sensitive and high-speed electronic devices.

4. Nano semiconductors

Semiconductors composed of nanostructures, such as carbon nanotubes and graphene. These nanosemiconductors have extremely high electron mobility and mechanical properties and are often used to manufacture efficient and energy-efficient electronic devices.

5. Porous semiconductors

Semiconductors consisting of porous materials such as metal-organic frame materials (MOFs) with adjustable pore sizes and molecular sieves. These porous semiconductors have a high specific surface area and tunable pore structure and are often used to make efficient energy conversion and storage devices, such as fuel cells and solar cells.