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Issue 37, 2020

MoS2-on-paper optoelectronics: drawing photodetectors with van der Waals semiconductors beyond graphite

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Abstract

We fabricate paper-supported semiconducting devices by rubbing a layered molybdenum disulfide (MoS2) crystal onto a piece of paper, similar to the action of drawing/writing with a pencil on paper. We show that the abrasion between the MoS2 crystal and the paper substrate efficiently exfoliates the crystals, breaking the weak van der Waals interlayer bonds and leading to the deposition of a film of interconnected MoS2 platelets. Employing this simple method, which can be easily extended to other 2D materials, we fabricate MoS2-on-paper broadband photodetectors with spectral sensitivity from the ultraviolet (UV) to the near-infrared (NIR) range. We also used these paper-based photodetectors to acquire pictures of objects by mounting the photodetectors in a homebuilt single-pixel camera setup.

Graphical abstract: MoS2-on-paper optoelectronics: drawing photodetectors with van der Waals semiconductors beyond graphite

Supplementary files

Article information


Submitted
20 Mar 2020
Accepted
05 Jun 2020
First published
09 Jun 2020

This article is Open Access

Nanoscale, 2020,12, 19068-19074
Article type
Communication

MoS2-on-paper optoelectronics: drawing photodetectors with van der Waals semiconductors beyond graphite

A. Mazaheri, M. Lee, H. S. J. van der Zant, R. Frisenda and A. Castellanos-Gomez, Nanoscale, 2020, 12, 19068 DOI: 10.1039/D0NR02268C

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