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Issue 47, 2016
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The effect of short chain thiol ligand additives on chemical bath deposition of lead sulphide thin films: the unique behaviour of 1,2-ethanedithiol

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Abstract

Chemical bath deposition is an effective method for depositing semiconductor thin films with a wide range of compositions and microstructures. While it is widely accepted that organic additive molecules can play a very important role in chemical bath deposition, their role has not been systematically studied. In the present work, we have comparatively studied the effect of four common water-soluble molecules, 1,2-ethanedithiol, mercaptopropionic acid, cysteamine and mercaptoethanol, on the chemical bath deposition of lead sulfide. The effect of 1,2-ethanedithiol was shown to be markedly different, resulting in a significantly increased film thickness. We show the effect of each additive on the growth rate, microstructure and optical properties, and provide insights on their mechanism of operation.

Graphical abstract: The effect of short chain thiol ligand additives on chemical bath deposition of lead sulphide thin films: the unique behaviour of 1,2-ethanedithiol

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Publication details

The article was received on 07 Sep 2016, accepted on 31 Oct 2016 and first published on 31 Oct 2016


Article type: Paper
DOI: 10.1039/C6CE01950A
Citation: CrystEngComm, 2016,18, 9122-9129
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    The effect of short chain thiol ligand additives on chemical bath deposition of lead sulphide thin films: the unique behaviour of 1,2-ethanedithiol

    S. Sengupta, R. Loutaty, K. Petel, E. Levin, N. G. Lemcoff and Y. Golan, CrystEngComm, 2016, 18, 9122
    DOI: 10.1039/C6CE01950A

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