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|Title:||Short circuit current improvement in planar heterojunction organic solar cells by multijunction charge transfer|
|Authors:||Wang, J. C.|
Leung, C. W.
Lau, S. P.
Wong, K. Y.
Chan, Paddy K. L.
|Publisher:||American Institute of Physics|
|Source:||Applied physics letters, 30 Jan. 2012, v. 100, no. 5, 053301, p. 1-3.|
|Abstract:||A multijunction structure was applied on an organic photovoltaic (OPV) device for broadening the absorption spectrum and enhancing the power conversion efficiency through charge transfer process. By inserting the tris[4-(2-thienyl)]amine (TTPA) into a boron subphthalocyanine chloride (SubPc)/C₆₀ OPV device, the short circuit current density (J[sub sc]) showed a 47.5% increases from 3.05 to 4.50 mA/cm² in the bilayer planar heterojunction device, while the open circuit voltage (V[sub oc]) remained constant. Based on the single junction (TTPA/SubPc) device and photoluminescence absorption results, we confirmed both TTPA/SubPc and SubPc/C₆₀ junctions are contributing to the exciton dissociation process hence the efficiency enhancement.|
|Rights:||© 2012 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in J. C. Wang et al., Appl. Phys. Lett. 100, 5 (2012) and may be found at http://link.aip.org/link/?apl/100/053301|
|Appears in Collections:||AP Journal/Magazine Articles|
ABCT Journal/Magazine Articles
ME Journal/Magazine Articles
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