Issue 32, 2013

High quantity and quality few-layers transition metal disulfidenanosheets from wet-milling exfoliation

Abstract

Low-cost and large-area electronic applications require the deposition of active materials in simple and inexpensive techniques at room temperature; properties usually associated with polymer films. In this study, we demonstrate a simple, low-cost and environmentally friendly method for the high-yield production of two dimensional nanosheets of semiconducting transition metal disulfides, integrated with the route towards the solution-processed deposition of MoS2 and WS2 thin films. The resulting materials with high purity and no contamination or distortion in their structural and electronic properties were confirmed with different microscopic and macroscopic methods. As a proof of concept, we utilize these layered transition metal disulphide films as electron extraction layers in an inverted structure organic solar cell, prepared at relatively low annealing temperatures (≤150 °C). A promising power conversion efficiency with high stability is achieved, which makes these proposed buffer layers quite attractive for next-generation flexible devices requiring high conductivity and transparency, as well as wide range of other potential applications.

Graphical abstract: High quantity and quality few-layers transition metal disulfide nanosheets from wet-milling exfoliation

Article information

Article type
Paper
Submitted
11 Apr 2013
Accepted
24 Apr 2013
First published
07 May 2013

RSC Adv., 2013,3, 13193-13202

High quantity and quality few-layers transition metal disulfide nanosheets from wet-milling exfoliation

M. A. Ibrahem, T. Lan, J. K. Huang, Y. Chen, K. Wei, L. Li and C. W. Chu, RSC Adv., 2013, 3, 13193 DOI: 10.1039/C3RA41744A

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