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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 10 — May. 7, 2012
  • pp: 10476–10483

Optics InfoBase > Optics Express > Volume 20 > Issue 10 > Page 10476

Significant enhancement of the power conversion efficiency for organic photovoltaic cells due to a P3HT pillar layer containing ZnSe quantum dots

Dae Hun Kim, Young Hun Lee, Dea Uk Lee, Tae Whan Kim, Sungwoo Kim, and Sang Wook Kim  »View Author Affiliations


Optics Express, Vol. 20, Issue 10, pp. 10476-10483 (2012)
http://dx.doi.org/10.1364/OE.20.010476


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Abstract

High-efficiency organic photovoltaic (OPV) cells utilizing a poly(3-hexylthiophene) (P3HT) pillar layer containing ZnSe quantum dots (QDs) were fabricated by using a mixed solution method. Scanning electron microscopy and high-resolution transmission electron microscopy images showed that the ZnSe QDs were dispersed in the P3HT layer. The power conversion efficiency of the OPV cells with a P3HT pillar layer containing ZnSe QDs was as much as 100% higher than that of the OPV cells with a planar layer due to an enhancement of the photon-harvesting ability of the congregated P3HT particles containing ZnSe QDs and to an increase of the interfacial region for efficient charge transport.

© 2012 OSA

OCIS Codes
(040.0040) Detectors : Detectors
(040.5350) Detectors : Photovoltaic
(230.5590) Optical devices : Quantum-well, -wire and -dot devices

ToC Category:
Photovoltaics

History
Original Manuscript: February 15, 2012
Manuscript Accepted: March 19, 2012
Published: April 20, 2012

Virtual Issues
Quantum Dots for Photonic Applications (2012) Optical Materials Express

Citation
Dae Hun Kim, Young Hun Lee, Dea Uk Lee, Tae Whan Kim, Sungwoo Kim, and Sang Wook Kim, "Significant enhancement of the power conversion efficiency for organic photovoltaic cells due to a P3HT pillar layer containing ZnSe quantum dots," Opt. Express 20, 10476-10483 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-10-10476


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