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Thursday, July 2, 2020

The 10 Most Efficient Solar Cells in 2020

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Every year, solar power increases its capacity of generation because humans need to reduce the use of fossil fuels to decrease the level of soil, air, and water pollution on the planet. Today, China and India are home to the largest solar parks on earth.

This is mostly because President Donald Trump administration is trying hard to revive the coal sector in the united states of America instead of focusing on investing in wind and solar power.

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However, in many of the states in united states of America like Nevada and California, many homeowners have taken the step to use solar power systems because they feel it is the best choice if they must reduce their energy bill and also their carbon footprint.

In today’s world, there are many benefits of using solar energy, but as much as there are benefits, there are a couple of drawbacks that have risen up because of its high price and the low efficiency of solar panels.

Every day scientists work very hard to increase the efficiency of solar panels because the area covered by solar modules on a person’s rooftop can only be reduced by a highly efficient solar panel.

There is a need for highly efficient solar panels to help us deal with the decreased amount of sunlight available during winter and rainy seasons, and that makes the current solar PV system only efficient enough to generate a small amount of energy especially at times when you need it the most.


In this article, we will be exposing to you the top 10 most effective solar panels that are available in 2020. It was reported recently by AEN news that the most effective solar panels currently available are making use of solar cells that are made of silicone or organic materials with photovoltaic properties.

In this article, we would be starting the list from number 10 all the way to number one, and we hope that you can choose one out of these 10 to use in your homes and offices.

10. The dye-sensitised solar cells

The dye-sensitised solar cells stands on the tenth spot on this list. It is a low-cost thin film solar cell that makes use of a semiconductor material that is formed between an electrolyte and a photosensitised anode to create a photoelectrochemical system.

This kind of solar cell has only an 11.9% efficiency, but among the features of this solar cell we can point out the possibility to produce it using conventional roll printing techniques plus the fact that the materials used in its production are semi-transparent, very affordable, and semi-flexible.

9. Organic solar cells

Organic solar cells

This kind of solar cell does not only offer an efficiency of $15 and 60% and also uses cheap natural materials to create electricity as a result of its photovoltaic effect.

Organic photovoltaic cells are also known as OPV are considered a very good solution to generate clean power supply at low cost in the present day.

8. Cadmium Telluride (CdTe) Solar Cells

Cadmium Telluride (CdTe) Solar Cells

Cadmium telluride comes with an increase in the efficiency of 22.20%. These solar cells make use of a stable crystalline compound which is a semiconductor material that is produced from tellurium and cadmium.


The CdTe Solar Cells are created by making a sandwich between a layer of cadmium sulfide (CdS), the semiconductor material (CdTe), and also a layer of transparent conductive oxide (TCO). All of these materials will be covered by glass and also a layer of aluminium placed at the back of the cell.

7. Polycrystalline Solar Cells

The most effective polycrystalline solar cells you can get in the market today come with an efficiency of 22 0.30% and also come with a lower price when compared to the monocrystalline solar cells.

Polycrystalline solar cells are affordable because they are made from melted pieces of silicon rather than a single ingot of silicon that has high purity.

6. Copper indium gallium selenide solar cells

The CIGs are thin film solar cells that are capable of converting the sunlight into a clean form of electricity. The solar cells are made by depositing a tiny layer of copper indium gallium and psyllium on glass or plastic backings.

The material used for the making of these types of solar cells has a high absorbent coefficient. What this means is that it has to be a much thinner film other semiconductor materials. the most efficient of this kind of solar cells you can get in the market today come with an efficiency of 22.9%

5. Perovskite solar cells

Perovskite has a reputation for being a particular class of material that has amazing features such as magnetoresistance, superconductivity and lots more.

Perovskites are alot cheaper than silicon, and they are now considered the future of solar cells because they are capable of providing high efficiency of the panel and at the same time costing little. These solar cells provide you with an efficiency of about 23.70%

4. Monocrystalline solar cells

Monocrystalline solar cells are produced from a single ingot of silicon that has high purity so that they can provide a superior efficiency of the solar panel.

The best of this kind of solar panel you can get from the market today can produce an efficiency of as high as 26.10%

3. Gallium arsenide solar cells

Gallium arsenide solar cells can harness more sunlight than any silicon-based solar cell. This is possible because they are produced using a soft and silvery metal which can also be found in semiconductor materials, electronic circuits, and light emitting diodes.

Gallium arsenide solar cells can provide efficiency of up to 27.8%. However, this is a technology that is considered one of the most expensive in today’s market.

2. Tandem perovskite solar cells

The configuration of tandems usually consists of two or more cells like silicon, perovskite, organic solar cells, and thin films. The cells work together to absorb the entire range of sunlight that is made available. tandem perovskite solar cells can be as efficient as 28%

1. Multi-junction solar cells


A multijunction configuration is made up of solar cells with multiple p-n junctions that are made from different kinds of semiconductor materials.

This cell can absorb a broader range of wavelength of light using a wide range of semiconductor materials. What this means is that the multijunction solar cell can provide efficiency as high as 40% which is the highest available in today’s market.

As we already know solar technology is very costly today most especially evil want to consider the latest solar cells and solar models that come with improved efficiency.

Nevertheless, we strongly believe that the price of solar would continue to reduce while its efficiency will increase over time.

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