Working Paper Article Version 1 This version is not peer-reviewed

MoS2-on-Paper Optoelectronics: Drawing Photodetectors with Van der Waals Semiconductors Beyond Graphite

Version 1 : Received: 3 May 2020 / Approved: 4 May 2020 / Online: 4 May 2020 (01:51:12 CEST)

How to cite: Mazaheri, A.; Frisenda, R.; Castellanos-Gomez, A. MoS2-on-Paper Optoelectronics: Drawing Photodetectors with Van der Waals Semiconductors Beyond Graphite. Preprints 2020, 2020050043 Mazaheri, A.; Frisenda, R.; Castellanos-Gomez, A. MoS2-on-Paper Optoelectronics: Drawing Photodetectors with Van der Waals Semiconductors Beyond Graphite. Preprints 2020, 2020050043

Abstract

We fabricate paper-supported semiconducting devices by rubbing a layered molybdenum disulfide (MoS2) crystal onto a piece of paper, similarly 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, that can be easily extended to other 2D materials, we fabricate MoS2-on-paper broadband photodectectors with spectral sensitivity from the ultraviolet (UV) to the near-infrared (NIR). We also used these paper-based photodetectors to acquire pictures of objects by mounting the photodetectors in a homebuilt single-pixel camera setup.

Subject Areas

MoS2; paper electronics; optoelectronics; photodetector

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