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Indium Tin Oxide-Free PEDOT:PSS/SAM/MoO3/Au/MoO3 Multilayer Electrodes for Organic Solar Cells

Indium Tin Oxide-Free PEDOT:PSS/SAM/MoO3/Au/MoO3 Multilayer Electrodes for Organic Solar Cells

Md Maniruzzaman, Chae Hwi Lim, Kiyeul Yang, Chiyoung Lee, Ho-Seok Nam, Jaegab Lee

J Nanosci Nanotechnol. 2014 Oct;14(10):7779-83.

PMID: 25942865

Abstract:

A MoO3/Au/MoO3 (MAM) tri-layer structure was developed as a transparent, low-resistance anode for use in organic solar cells. Transmittance was maximized at 82% using symmetric bottom and top MoO3 layers (each of thickness 30 nm) either side of a 12 nm Au layer. Low sheet resistance also resulted (7.4 ohm per square). The series resistance and optical transmission of devices employing these structures as anodes were tailored by varying the thickness of the top MoO3 layer. Dissolution of the top MoO3 layer in
Pedot:
PSS degraded the cells, which could be decreased by the deposition of a self-assembled monolayer of 16-phosphonohexadecanoic acid on the MoO, prior to spin-coating the
Pedot:
PSS. Cells fabricated on
Pedot:
PSS/SAMs/MAM multilayer electrodes showed a power conversion efficiency of 2.33%, comparable to that of ITO-based organic solar cells. The
Pedot:
PSS/SAMs/MAM electrode was shown to be a promising replacement of ITO for use in low-cost optoelectronic devices.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP443361180	16-Phosphonohexadecanoic acid		443361-18-0	Price

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