why is silicon used in solar panels

Why Is Silicon Used In Solar Panels?

Why is silicon used in solar panels? Silicon, the second most abundant element on Earth, is a semi-conductive material that has several useful applications. One of its uses is in the construction of solar panels, and photovoltaic arrays that are often installed on rooftops. They absorb sunlight and convert it into electricity. When the atoms in silicon capture the energy from sunlight, electrons are knocked loose from their atoms; this process creates an electric field within the silicon layers. In other words: Silicon is used in solar panels because it is effective at absorbing energy from sunlight and converting it into usable electricity.

why is silicon used in solar panels

The Most Abundant Semi-Conductive Material

In the earth’s crust, silicon is the second most abundant element. It is extracted from silica—a compound that makes up sand, quartz, and other minerals. In its pure form, silicon is a greyish-white powder that can be transformed into wafers as thin as a human hair to create photovoltaic cells.

Why Is Silicon Used In Solar Panels?

There are many reasons why silicon is used in solar panels. Silicon is an excellent material for solar cells because of its high energy conversion efficiency, corrosion resistance, and low cost. It’s also stable and readily available.

Silicon Is Non-Toxic

Silicon is non-toxic, which means that it doesn’t cause pollution when it’s processed or disposed of. It has a crystalline structure which makes it easy to produce and use in solar cells. When doped with other elements, it can be made more efficient at converting sunlight into electricity. The bandgap in silicon allows it to absorb photons efficiently, which means that less power is lost as heat while generating electricity from sunlight.

Excellent Photoconductivity

Silicon has excellent photoconductivity, which means that when exposed to light it generates an electrical current across its surface. Without any need for external connections or batteries. It also has high corrosion resistance so it doesn’t corrode easily when exposed to air or water over time like some metals might (such as iron).

Offers High Energy Efficiency

One of the main reasons that silicon is used in solar panels is that it offers high energy efficiency. Silicon can convert sunlight into electricity with 20% efficiency or more, which means that of all the light that hits a solar panel, 20% of it will be converted into electricity. This is much higher than other materials like organic semiconductors, which only have an efficiency rate of 3%.

Readily Available And Cost-Effective

Another reason that silicon is so useful for solar panels is that it’s readily available and cost-effective. Silicon can be found in sand, so it’s easy to extract from natural sources. It’s also not expensive to produce, making it an affordable option for installation costs.

Using silicon has helped to significantly lower the cost of manufacturing solar panels. Silicon is the most abundant material on earth and is used in solar panels because it is the most abundant semi-conductive material on the planet.

Because of this, more and more people can afford solar energy, which helps us all save money on our electric bills!

Excellent Corrosion Resistance And Light Weight Properties

Silicon also has excellent corrosion resistance and lightweight properties, which makes it ideal for use in solar panels. Solar panels are exposed to harsh weather conditions like rain and snowfall while they’re installed on rooftops or ground-mounted structures. So they need to be able to withstand these conditions without rusting or becoming damaged by wind gusts or other forces at work during storms like hurricanes (for example).

Silicon’s corrosion resistance makes it resistant against corrosion caused by exposure to saltwater or other chemicals found in rainwater runoff from roofs; its lightweight allows it

Silicon in Photovoltaic Cells Has Its Drawbacks

While silicon is a great conductor, it has several disadvantages that make it difficult to use in photovoltaic cells.

  • Crystalline silicon is brittle and can easily crack when handled.
  • It’s expensive, which makes it difficult for designers to use it in large quantities.
  • It’s difficult to work with compared to other materials.
  • Finally, crystalline silicon can be flexible due to its lattice structure. It’s not transparent enough for use in solar panels or windows.

Crystalline Silicon Is Not Environmentally Friendly

  • The manufacturing process for crystalline silicon produces toxic gases like hydrogen fluoride and phosphine gas, which are both harmful to humans and the environment.

Crystalline silicon is not environmentally friendly, it’s not ideal for large-scale manufacturing operations where environmental impact must be considered at every step of the process—which means you’ll likely be using more energy than necessary during production.

Coping With Silicone’s Drawbacks

Silicon is a common element, but it’s not easy to find pure silicon. Pure silicon is a semiconductor, meaning that it conducts electricity only under specific conditions. It’s also very brittle and not very durable, making it difficult to use in everyday products.

But with some time and effort, scientists have discovered ways to make pure silicon much more useful than its natural state would indicate by combining it with other elements—and these discoveries have led us towards today’s solar panels.

Solar Energy Is Becoming More Accessible

Solar energy is becoming more accessible as technology continues to improve. As you may already know, the sun is a source of clean, renewable energy that can be used to power homes and businesses, as well as heat water. Solar panels convert sunlight into electricity so that they can be used for various tasks in your home or business.

Solar energy has become more affordable than ever before, making it an increasingly attractive option for people who want to save money on their monthly utility bills without sacrificing comfort or convenienceSolarar panel systems are now much more efficient than they were 20 years ago—proving that there’s never been a better time than now if you’re interested in switching over from traditional sources like fossil fuels such as coal and natural gas.


Solar panels are here to stay. And as technology advances, we can expect to see even more developments in the way of efficiency and accessibility for those who need it. You never know, maybe one day we’ll be driving electric cars powered by nothing but sunlight.