| dbo:abstract | - Polymer-fullerene bulk heterojunction solar cells are a type of solar cell researched in academic laboratories. Photovoltaic cells featuring a polymeric blend of organics have shown promise in a field largely dominated by inorganic (e.g. silicon) solar cells. Specifically, fullerene derivatives act as electron acceptors for donor materials like P3HT (poly-3-hexyl thiophene-2,5-diyl), creating a polymer-fullerene based photovoltaic cell. Some of the improvements that organic solar cells have over inorganic solar cells are that they are flexible and therefore can be applied to a larger range of surfaces. They can also be produced much more easily via inkjet printing or spray deposition, and therefore are vastly cheaper to manufacture. A downside is that, because they are not crystalline (like silicon), but instead are produced in a purposely disordered blend of electron-acceptor and -donor materials (hence the name bulk heterojunction), they have a limited efficiency of charge transport. However, the efficiencies of these new types of photovoltaic cells have risen from 2.5% in 2001, to 5% in 2006, to greater than 10% in 2011. This is because improved methods for solution processing of acceptor and donor materials led to more efficient blending of the two materials. Further research can lead to polymer-fullerene based photovoltaic cells that approach the efficiency of current inorganic photovoltaic cells. (en)
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| rdfs:comment | - Polymer-fullerene bulk heterojunction solar cells are a type of solar cell researched in academic laboratories. Photovoltaic cells featuring a polymeric blend of organics have shown promise in a field largely dominated by inorganic (e.g. silicon) solar cells. Specifically, fullerene derivatives act as electron acceptors for donor materials like P3HT (poly-3-hexyl thiophene-2,5-diyl), creating a polymer-fullerene based photovoltaic cell. (en)
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| rdfs:label | - Polymer-fullerene bulk heterojunction solar cell (en)
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