Journal
OPTICS EXPRESS
Volume 20, Issue 10, Pages 10476-10483Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.20.010476
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Funding
- National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [2011-0025491]
- National Research Foundation of Korea [과C6A1612, 2011-0025491] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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. (C)2012 Optical Society of America
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