Photovoltaic device of nanocrystal quantum dots on a heterostructure. The hybrid nature of the device leads to a demonstrated gain in the photocurrent conversion efficiency, useful for solar-cell technology.

From the article:

Photocurrent Enhancement in Hybrid Nanocrystal Quantum-Dot $p\mathrm{\text{−}}i\mathrm{\text{−}}n$ Photovoltaic Devices
S. Chanyawadee, R. T. Harley, M. Henini, D. V. Talapin, and P. G. Lagoudakis
Phys. Rev. Lett. 102, 077402 (2009)

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