Semiconductors refer to materials with conductivity between conductors and insulators at room temperature. Semiconductors are widely used in fields such as integrated circuits, consumer electronics, communication systems, photovoltaic power generation, lighting, and high-power power conversion. For example, diodes are devices made of semiconductors. Common semiconductor materials include silicon, germanium, gallium arsenide, etc. Silicon is the most influential type of semiconductor material application.
Semiconductor application field:
1. Photovoltaic applications
The photovoltaic effect of semiconductor material is the basic principle of solar cell operation. At present, the photovoltaic application of semiconductor materials has become a hot topic and is currently the fastest growing and best developing clean energy market in the world. The main production material of solar cells is semiconductor materials.
According to the different semiconductor materials used, solar cells are divided into crystalline silicon solar cells, thin film batteries and III-V compound batteries.
2. Lighting applications
LED is a semiconductor light-emitting diode built on semiconductor transistors. Using LED technology, the semiconductor light source has a small volume and can achieve flat packaging. It has low heat generation, energy efficiency, long product life, fast reaction speed, and is green, environmentally friendly, and pollution-free. It can also be developed into a lightweight and short product, becoming a new generation of high-quality lighting light sources.
3. High-power power conversion
The mutual conversion of AC and DC is very important for the use of electrical appliances and is a necessary protection for them. This requires the use of a power conversion device. SiC has high breakdown voltage strength, wide band gap and high thermal conductivity, so SiC semiconductor devices are very suitable for applications with high power density and switching frequency, and power conversion device is one of them.
Due to the advantages of SiC itself and the current industry demand for lightweight and high conversion efficiency semiconductor materials, SiC will replace Si as the most widely used semiconductor material.
