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Title: An improved polymer solar cell incorporating single-wall carbon nanotubes
Authors: Lu, Fen
Zhao, Dewei
Song, Junling
Chen, Jing
Tan, Swee Tiam
Ke, Lin
Demir, Hilmi Volkan
Sun, Handong
Sun, Xiao Wei
Keywords: DRNTU::Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics
Issue Date: 2014
Source: Lu, F., Zhao, D., Song, J., Chen, J., Tan, S. T., Ke, L., et al. (2014). An improved polymer solar cell incorporating single-wall carbon nanotubes. Journal of modern optics, 61(21), 1761-1766.
Series/Report no.: Journal of modern optics
Abstract: We present an improved efficiency of polymer solar cell by incorporating single-wall carbon nanotubes (SWCNTs). A power conversion efficiency of 2.66% was achieved for the device with 0.125 wt% SWCNTs, which is 16% improvement over control device without SWCNTs, primarily due to the increase in the photocurrent and fill factor. The results reveal that SWCNTs serve as effective and additional electron pathways, facilitating the electron transport and improving the interface contact between active layer and electrode. The improved contact area was evidenced by the increased root-mean-square surface roughness as SWCNTs concentration increases. However, the increased peak-to-valley value also indicates the possibility of short circuit in device, thus the concentration of SWCNTs has to be optimized.
DOI: 10.1080/09500340.2014.971080
Schools: School of Electrical and Electronic Engineering 
School of Physical and Mathematical Sciences 
Rights: © 2014 Taylor & Francis. This paper was published in Journal of Modern Optics and is made available as an electronic reprint (preprint) with permission of Taylor & Francis. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles
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