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Plasmonic Light Trapping with Active Layer Incorporated Gold/Silica Core/Shell Nanorods

Detailed Technology Description

Dr. Janković and colleagues have engineered a novel way to increase the efficiency of an organic photovoltaic (OPV) device by incorporating gold/silica core/shell nanorods into the device active layer. The increase in efficiency results from near field optical field concentration at the surface plasmon resonance frequency of the gold/silica core/shell nanorods analogous to the way a car radio antenna works except for light. The thin silica shell and the organic ligand are key enabling innovations that allow incorporation of the nano-antennas directly into the active region without affecting electrical transport and device morphology. Using nanorods compared to more commonly employed nanospheres is another advantage since different aspect ratios of nanorods will have different resonance frequencies, thus enabling broadband light trapping. Finally, the approach is completely solution-based and doesn’t require any modifications to traditional OPV device processing techniques.

Application No.

20160035990

Others

Tech ID/UC Case

24578/2013-603-0

Related Cases

2013-603-0

Country/Region

USA

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