PV Cell Solar Energy in Colombia

 

 PV Cell Solar Energy in Colombia

When light strikes a photovoltaic cell, it can be reflected, absorbed, or passed directly through it. A photovoltaic cell is composed of a semiconductor material that combines some of the properties of metals and some of the properties of insulators.    

 

solar energy in colombia

 This makes it unique in its ability to convert light into electricity. When light is absorbed by a semiconductor, the photons of the light can transfer their energy to the electrons, allowing the electrons to pass through the material in the form of an electric current. This current flows from the semiconductor to the metal contacts and then travels through your home and the rest of the electrical network.

SILICON 

Silicon is by far the most common material used in solar cells, accounting for roughly 90% of the modules sold today. Crystalline silicon cells are made up of silicon atoms bonded together to form a crystal lattice. This grid provides an organized structure that makes the conversion of light into electricity more efficient.   

Solar cells made from silicon currently offer a combination of high efficiency, low cost and long service life. The modules are expected to last 25 years or more, and after that time they will still be producing more than 80% of their original capacity

THIN PHOTOVOLTAIC 

A thin film solar cell is made by applying one or more thin layers of photovoltaic panels material to a supporting material such as glass, plastic, or metal. There are two main types of thin film photovoltaic semiconductors on the market today: cadmium telluride ( CdTe ) and copper indium gallium diselenide (CIGS). Both materials can be applied directly to the front or back of the module.        

 

 

CdTe is the second most common photovoltaic material after silicon and provides low cost manufacturing processes. While this makes them an economical alternative, their effectiveness is still not as high. CIGS cells have good electronic and optical properties, although the complexity of combining the four elements makes the transition from laboratory to manufacturing challenging. Both CdTe and CIGS require more protection than silicon to ensure long-term outdoor performance.      

ORGANIC PHOTOVOLTAICS 

Organic PV, or OPV, cells are made up of carbon-rich polymers and can be adapted to enhance a specific cell function, such as sensitivity to a specific type of light. This technology has the theoretical potential to generate electricity at a lower cost than silicon or thin-film technologies. OPV cells are about half as efficient as crystalline silicon and have a shorter lifespan, but can be cheaper to produce in high volume. They can also be applied to a variety of auxiliary materials, allowing OPV to be used in a wide variety of applications.    

CONCENTRATION PHOTOVLTAICS 

PV concentration, also known as CPV, focuses sunlight onto a solar cell using a mirror or lens. By focusing sunlight on a small area, less photovoltaic material is required. Photovoltaic materials become more efficient at converting energy as light becomes more concentrated,

 

 so the highest overall efficiency is achieved with CPV cells and modules. However, more expensive materials, manufacturing techniques and traceability are required, so demonstrating the required cost advantage over today's high volume silicon modules becomes challenging.  

  

SUN CELL PERFORMANCE AND EFFICIENCY 

 

Cell efficiency is simply the amount of electricity leaving the cell divided by the incoming sunlight. The amount of electricity produced by photovoltaic cells depends on the quality (intensity and wavelength) of the available light and several characteristics of the cell's characteristics. Learn more about Colombia Solar Panel.



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