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Reversible Self-Assembly of Metal Chalcogenide/Metal Oxide Nanostructures Based on Pearson Hardness

Authors

  • Jugal Kishore Sahoo,

    1. Institut für Anorganische Chemie und Analytische Chemie der Johannes Gutenberg Universität, Duesbergweg 10–14, 55099 Mainz (Germany), Fax: (+49) 6131-39-25605
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  • Dr. Muhammad Nawaz Tahir,

    1. Institut für Anorganische Chemie und Analytische Chemie der Johannes Gutenberg Universität, Duesbergweg 10–14, 55099 Mainz (Germany), Fax: (+49) 6131-39-25605
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  • Dr. Aswani Yella,

    1. Institut für Anorganische Chemie und Analytische Chemie der Johannes Gutenberg Universität, Duesbergweg 10–14, 55099 Mainz (Germany), Fax: (+49) 6131-39-25605
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  • Thomas D. Schladt,

    1. Institut für Anorganische Chemie und Analytische Chemie der Johannes Gutenberg Universität, Duesbergweg 10–14, 55099 Mainz (Germany), Fax: (+49) 6131-39-25605
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  • Dr. Enrico Mugnaoli,

    1. Institut für Physikalische Chemie, Johannes Gutenberg Universität, Welderweg 11, 55099 Mainz (Germany)
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  • Dr. Ute Kolb,

    1. Institut für Physikalische Chemie, Johannes Gutenberg Universität, Welderweg 11, 55099 Mainz (Germany)
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  • Prof. Dr. Wolfgang Tremel

    1. Institut für Anorganische Chemie und Analytische Chemie der Johannes Gutenberg Universität, Duesbergweg 10–14, 55099 Mainz (Germany), Fax: (+49) 6131-39-25605
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  • This work was supported by the Deutsche Forschungsgemeinschaft (DFG) within the priority program 1165 “Nanotubes and Nanowires: From Controlled Synthesis to Function” (research program: “From single molecules to nanoscopically structured materials”). A.Y. is a recipient of a fellowship from POLYMAT, the Graduate School of Excellence of the State of Rhineland-Palatinate. T.D.S. is a recipient of a Carl Zeiss Fellowship. We acknowledge support for the Electron Microscopy Center in Mainz (EZMZ) from the Center for Complex Matter (COMATT).

Abstract

original image

Softly, softly: A novel modification strategy for layered chalcogenide nanoparticles (NPs) takes advantage of the chalcophilic affinity of Mn2+. Surface-bound MnO NPs can be selectively bound to the surface of WS2 nanotubes and functionalized with the fluorescent dopamine derivative NBD at room temperature. The MnO NPs can also be reversibly detached from the chalcogenide surface with excess dopamine at elevated temperatures.

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