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A photoactive layer is used in solar cells for absorbing light. It can be found in all solar cells, but with different panels the photoactive layer is made of different materials. Inorganic layers are made from inorganic materials such as silicon. The film has a layer arrangement of electrodes and counter electrode with organic layers in ...
One of these used is the inkjet solar cell. The first instance of constructing a solar cell with an inkjet printer was by Konarka in 2008. [9] In 2011 Oregon State University was able to discover a way to create CIGS solar cells using an inkjet printer. In the same year MIT was able to create a solar cell using an inkjet printer on paper.
Some companies use an additional electroplating step to increase efficiency. After the metal contacts are made, the solar cells are interconnected by flat wires or metal ribbons, and assembled into modules or "solar panels". Solar panels have a sheet of tempered glass on the front, and a polymer encapsulation on the back.
Solar cells are often classified into so-called generations based on the active (sunlight-absorbing) layers used to produce them, with the most well-established or first-generation solar cells being made of single- or multi-crystalline silicon. This is the dominant technology currently used in most solar PV systems.
In the broader category of thin film solar cells, as of 2007 the company was the second-largest U.S. manufacturer, after First Solar. [6] The solar cells are made of 11 triple junction amorphous silicon solar cells connected in series and have 11–13% in conversion efficiency. [7]
Solar cells produce direct current electricity from sunlight which can be used to power equipment or to recharge batteries. The first practical application of photovoltaics was to power orbiting satellites and other spacecraft, but today the majority of photovoltaic modules are used for grid-connected systems for power generation.
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