Fine tunable aqueous solution synthesis of textured flexible SnS2 thin films and nanosheets

Literature Information

Publication Date 2015-03-02
DOI 10.1039/C4CP06018K
Impact Factor 3.676
Authors

Peter Nørby, Simon Johnsen, Bo Brummerstedt Iversen


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Abstract

Films and nanosheets of layered chalcogenides are currently under intense investigation owing to their application in thin film electronic, optoelectronic, and sensor devices. Here, aqueous solution processing of the environmentally benign thiostannate, (NH4)4Sn2S6ยท3H2O, and its subsequent thermal decomposition to form continuous highly textured SnS2 thin films are presented. We show how to control the film thickness, the coherent scattering domain size, and the crystallinity by changes in the processing parameters (i.e. thiostannate concentration or angular velocity in the spin coating process). For device applications of the semiconducting metal sulfide film it is of interest to delaminate the film from the glass substrate to create freestanding nanosheets or transfer the film to a flexible polymer substrate. It is shown how metal sulfide films can be delaminated from the glass substrate and form large area freestanding nanosheets. Furthermore, we extend the delamination process to include transfer of the thin film from the glass substrate to a low-cost flexible polymer substrate.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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