TITLE

Performance improvement of inverted polymer solar cells with different top electrodes by introducing a MoO3 buffer layer

AUTHOR(S)
Chen Tao; Shengping Ruan; Xindong Zhang; Guohua Xie; Liang Shen; Xiangzi Kong; Wei Dong; Caixia Liu; Weiyou Chen
PUB. DATE
November 2008
SOURCE
Applied Physics Letters;11/10/2008, Vol. 93 Issue 19, p193307
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Molybdenum trioxide (MoO3) was inserted between the active layer and top electrode in inverted polymer solar cells (PSCs) with nanocrystalline titanium dioxide as an electron selective layer. The performances of structurally identical PSCs with different top electrodes (Au, Ag, and Al) were investigated and compared. The interface between MoO3 and different metals was studied by x-ray photoelectron spectroscopy. The results showed that the performances of devices with different metals are greatly improved due to the incorporation of MoO3 and the open-circuit voltage of devices is relatively insensitive to the choice of the anode metal when MoO3 is introduced.
ACCESSION #
35514259

 

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