Photovoltaic Devices with a Low Bandgap Polymer and CdSe Nanostructures Exceeding 3% Efficiency

Smita Dayal; Nikos Kopidakis; Dana C. Olson; David S. Ginley; Garry Rumbles

doi:10.1021/nl903406s

Photovoltaic Devices with a Low Bandgap Polymer and CdSe Nanostructures Exceeding 3% Efficiency

Smita Dayal, Nikos Kopidakis, Dana C. Olson, David S. Ginley, Garry Rumbles

National Renewable Energy Laboratory

Research output: Contribution to journal › Article › peer-review

407 Scopus Citations

Abstract

We report the fabrication and measurement of solar cells approaching a power conversion efficiency of 3.2% using a low band gap conjugated polymer poly[2,6-(4,4-bis-(2-ethylhexyl)-4H-cyclopenta[2,1-b;3,4-b′]dithiophene) -alt-4,7-(2,1,3-benzothiadiazole)] and CdSe nanoparticles. These devices exhibit an external quantum efficiency (EQE) of >30% in abroad range of 350-800 nm with a maximum EQE of 55% in a range of 630-720 nm. We also present certified device efficiencies of 3.13% under AM 1.5 illumination.

Original language	American English
Pages (from-to)	239-242
Number of pages	4
Journal	Nano Letters
Volume	10
Issue number	1
DOIs	https://doi.org/10.1021/nl903406s https://doi.org/10.1021/nl903406s
State	Published - 13 Jan 2010

NREL Publication Number

NREL/JA-590-47147

Keywords

Inorganic-organic photovoltaic devices
Low band gap polymer
Nanoparticles
Power conversion efficiency

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AU - Dayal, Smita

AU - Kopidakis, Nikos

AU - Olson, Dana C.

AU - Ginley, David S.

AU - Rumbles, Garry

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KW - Inorganic-organic photovoltaic devices

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KW - Power conversion efficiency

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Photovoltaic Devices with a Low Bandgap Polymer and CdSe Nanostructures Exceeding 3% Efficiency

Abstract

NREL Publication Number

Keywords

UN SDGs

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