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Issue 45, 2017
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Dielectrophoretic assembly of liquid-phase-exfoliated TiS3 nanoribbons for photodetecting applications

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Abstract

Liquid-phase exfoliation is a technique capable of producing large quantities of two-dimensional materials in suspension. Despite many efforts in the optimization of the exfoliation process itself, not much has been done towards the integration of liquid-phase-exfoliated materials in working solid-state devices. In this article, we use dielectrophoresis to direct the assembly of liquid-phase-exfoliated TiS3 nanoribbons between two gold electrodes to produce photodetectors working in the visible region. Through electrical and optical measurements we characterize the responsivity of the device and we find values as large as 3.8 mA W−1, which are more than one order of magnitude higher compared to state-of-the-art devices based on liquid-phase-exfoliated two-dimensional materials assembled by drop-casting or ink-jet methods.

Graphical abstract: Dielectrophoretic assembly of liquid-phase-exfoliated TiS3 nanoribbons for photodetecting applications

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Publication details

The article was received on 14 Mar 2017, accepted on 15 May 2017 and first published on 15 May 2017


Article type: Communication
DOI: 10.1039/C7CC01845B
Citation: Chem. Commun., 2017,53, 6164-6167
  • Open access: Creative Commons BY-NC license
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    Dielectrophoretic assembly of liquid-phase-exfoliated TiS3 nanoribbons for photodetecting applications

    R. Frisenda, E. Giovanelli, P. Mishra, P. Gant, E. Flores, C. Sánchez, J. R. Ares, D. Perez de Lara, I. J. Ferrer, E. M. Pérez and A. Castellanos-Gomez, Chem. Commun., 2017, 53, 6164
    DOI: 10.1039/C7CC01845B

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      [Original citation] - Published by The Royal Society of Chemistry.

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