Citation: |
K. Chakraborty, S. Chakraborty, N. B. Manik. Effect of single walled carbon nanotubes on series resistance of Rose Bengal and Methyl Red dye-based organic photovoltaic device[J]. Journal of Semiconductors, 2018, 39(9): 094001. doi: 10.1088/1674-4926/39/9/094001
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K. Chakraborty, S. Chakraborty, N. B. Manik, Effect of single walled carbon nanotubes on series resistance of Rose Bengal and Methyl Red dye-based organic photovoltaic device[J]. J. Semicond., 2018, 39(9): 094001. doi: 10.1088/1674-4926/39/9/094001.
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Effect of single walled carbon nanotubes on series resistance of Rose Bengal and Methyl Red dye-based organic photovoltaic device
DOI: 10.1088/1674-4926/39/9/094001
More Information
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Abstract
The influence of single walled carbon nanotube (SWCNT) on the series resistance (Rs) of Rose Bengal (RB) and Methyl Red (MR) dye-based organic diodes has been studied. It has been revealed from experimental results that SWCNT has a significant effect on Rs. The values of Rs are measured from current–voltage (I–V) characteristics and also by utilizing the Cheung method. Obtained values from the Cheung method have been verified using H(I)–I plots for all dye-based devices. The extracted values using these two processes show a good consistency with each other. It is observed that Rs is reduced significantly by incorporating SWCNT for both dyes. The estimated amounts of reduction of Rs using SWCNT are 76.08% and 64.23% obtained from the I–V relationship whereas the value of Rs shows a reduction of 83.5% and 67.1% when measured by using the Cheung method for RB and MR dyes respectively. The ideality factor and barrier height of the diodes have also been extracted. The ideality factor has decreased with incorporation of SWCNT. A reduction in barrier height for the devices has also been observed in the presence of SWCNT.-
Keywords:
- SWCNT,
- series resistance,
- OPV,
- barrier potential,
- ideality factor
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References
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