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Bright infrared LEDs based on colloidal quantum-dots

Published online by Cambridge University Press:  20 March 2013

Liangfeng Sun ,
Joshua J. Choi ,
David Stachnik ,
Adam C. Bartnik ,
Byung-Ryool Hyun ,
George G. Malliaras ,
Tobias Hanrath  and
Frank W. Wise
Liangfeng Sun
Affiliation:
School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, USA
Joshua J. Choi
Affiliation:
School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, USA School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853, USA
David Stachnik
Affiliation:
School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, USA
Adam C. Bartnik
Affiliation:
School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, USA
Byung-Ryool Hyun
Affiliation:
School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, USA
George G. Malliaras
Affiliation:
Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, USA
Tobias Hanrath
Affiliation:
School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853, USA
Frank W. Wise
Affiliation:
School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, USA
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Abstract

Record-brightness infrared LEDs based on colloidal quantum-dots have been achieved through control of the spacing between adjacent quantum-dots. By tuning the size of quantum-dots, the emission wavelengths can be tuned between 900nm and 1650nm.

Keywords

optoelectroniccolloidnanostructure
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1509: Symposium CC – Optically Active Nanostructures , 2013 , mrsf12-1509-cc02-10
Copyright
Copyright © Materials Research Society 2013

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References

REFERENCES

Sun, Liangfeng, Choi, Joshua J., Stachnik, David, Bartnik, Adam C., Hyun, Byung-Ryool, Malliaras, George G., Hanrath, Tobias, and Wise, FrankW.. “Bright infrared quantum-dot light-emitting diodes through inter-dot spacing control”. Nature Nanotechnology 7, 369 (2012).CrossRefGoogle ScholarPubMed
Huang, H., Dorn, A., Nair, G. P., Bulović, V. & Bawendi, M. G. “Bias-induced photoluminescence quenching of single colloidal quantum dots embedded in organic semiconductors”. Nano Lett. 7, 3781 (2007).CrossRefGoogle ScholarPubMed
Tessler, Nir, Medvedev, Vlad, Kazes, Miri, Kan, ShiHai, and Banin, Uri. “Efficient near-infrared polymer nanocrystal light-emitting diodes”. Science 295, 1506 (2002).CrossRefGoogle ScholarPubMed
Malliaras, G. G. & Scott, J. C. “The roles of injection and mobility in organic light emitting diodes”. J. Appl. Phys. 83, 5399 (1998).CrossRefGoogle Scholar
Pattantyus-Abraham, A. G. et al. . “Depleted-heterojunction colloidal quantum dot solar cells”. ACS Nano 4, 3374 (2010).CrossRefGoogle ScholarPubMed
Talapin, D. V. & Murray, C. B. “PbSe nanocrystal solids for n- and p-channel thin film field-effect transistors”. Science 310, 86 (2005).CrossRefGoogle ScholarPubMed
Law, M. et al. . “Structural, optical, and electrical properties of PbSe nanocrystal solids treated thermally or with simple amines”. J. Am. Chem. Soc. 130, 5974 (2008).CrossRefGoogle ScholarPubMed
Shimizu, K. T., Woo, W. K., Fisher, B. R., Eisler, H. J. & Bawendi, M. G. “Surface enhanced emission from single semiconductor nanocrystals”. Phys. Rev. Lett. 89, 117401 (2002).CrossRefGoogle ScholarPubMed