Kungl. Tekniska Högskolan Royal Institute of Technology
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Project of the month, March 2010

Colloidal quantum dot based solar cells

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Schematic solar cell.

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RealDevice

Renewable energy sources are essential for sustainable development of society. Among the different alternatives of the renewable energy sources, solar energy, or photovoltaics (PV), is very attractive. In this project we use colloidal quantum dots as photon sensitizers.

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Fig 1. Typical photocurrent-voltage characterization of QD solar cells under standard sunlight simulator AM 1.5 (1000 W/cm2) irradiation.

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Fig 2. Incident photon to current efficiency (IPCE) spectra of QD solar cells.

 

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