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Beyond 11% Efficiency: Characteristics of State‐of‐the‐Art Cu<sub>2</sub>ZnSn(S,Se)<sub>4</sub> Solar Cells

Advanced Energy Materials · 2012 · Vol. 3(1) · pp. 34–38

Teodor K. Todorov(IBM (United States))Jiang Tang(IBM (United States))Santanu Bag(IBM (United States))Oki Gunawan(IBM (United States))Tayfun Gokmen(IBM (United States))Yu Zhu(IBM (United States))David B. Mitzi✉(IBM (United States))

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Abstract

A world-record CZTSSe device is reported, surpassing 11% power conversion efficiency for the first time. The results reflect not only higher efficiency, but also other improved device characteristics, such as fill factor and short circuit current. The improvement in CZTSSe devices continues to point to significant promise for the kesterite-based absorbers.

Chalcogenide Semiconductor Thin Films Quantum Dots Synthesis And Properties Copper-based nanomaterials and applicationsKesteriteMaterials scienceEnergy conversion efficiencyOptoelectronicsShort circuitEngineering physicsState (computer science)Power (physics)NanotechnologySolar cell

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