Scalable and low-cost fabrication of flexible WS2 photodetectors on polycarbonate
Jorge Quereda,Sruthi Kuriakose,Carmen Munuera,Federico Mompean,Abdullah M. Al-Enizi,Ayman Nafady,Enrique Diez,Riccardo Frisenda,Andres Castellanos-Gomez +8 more
TLDR
In this article , a shadow mask is used to cover the contacts of WS 2 photodetectors and the contacts are then deposited by thermal evaporation through shadow mask.Abstract:
Abstract We present a low-cost and easy-to-implement technique to fabricate large-area WS 2 photodetector devices onto transparent and flexible polycarbonate substrates. The method relies on the deposition of large-area (in the cm scale) thin films (~30 nm thick) of WS 2 by a recently introduced abrasion-induced method. Interdigitated electrical contacts are then deposited by thermal evaporation through a shadow mask. The photodetectors present well-balanced performances with an good trade-off between responsivity (up to 144 mA/W at a source-drain voltage of 10 V and illumination power of 1 μW) and response time (down to ~70 µs) and a detectivity value of 10 8 Jones. We found that the devices perform very reversibly upon several illumination and straining cycles and we found a moderate device-to-device variation. read more
Citations
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Controlled two-step synthesis of nanostructured WS2 thin films for enhanced UV-visible photodetector applications
TL;DR: In this article , a large area of WS2 nanostructures were synthesized using sputtering and chemical vapour deposition (CVD) techniques for ultraviolet-visible (UV-Vis) photodetector applications.
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Two-Dimensional Transition Metal Dichalcogenide Based Biosensors: From Fundamentals to Healthcare Applications
TL;DR: In this article , a review of 2D transition metal dichalcogenides (TMDs) based biosensors for the detection of bio analytes ranging from bacteria, viruses, and whole cells to molecular biomarkers via optical, electronic, and electrochemical sensing mechanisms are discussed.
Journal ArticleDOI
On the thermal and mechanical performance of Polycarbonate / Titanium Nitride nanocomposites in Material Extrusion Additive Manufacturing
N. Vidakis,Markos Petousis,Nikos Mountakis,Sotirios Grammatikos,Vassilis M. Papadakis,J. Kechagias,S.C. Das +6 more
TL;DR: In this article , the effect of the additive in the polymeric matrix, in an effort to produce superior filaments for demanding applications, was evaluated, to be assessed for conforming to the corresponding standards, as well as to be characterized regarding their mechanical, thermal, and spectroscopic responses.
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2D Materials towards sensing technology: From fundamentals to applications
M. V. Sulleiro,Antonio Dominguez-Alfaro,Nuria Alegret,Alessandro Silvestri,I. Jennifer Gomez +4 more
TL;DR: In this article , a review of the most relevant transduction mechanisms of 2D materials employed for sensing is presented, including transition metal dichalcogenides (TMDs), hexagonal boron nitride (h-BN), 2D carbides and nitrides of transition metals (MXenes) and black phosphorus (BP).
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Non-Additive Optical Response in Transition Metal Dichalcogenides Heterostructures
Marwa A. El-Sayed,Andrey P. Tselin,Georgy A. Ermolaev,Mikhail K. Tatmyshevskiy,Aleksandr S. Slavich,Dmitry I. Yakubovsky,Sergey M. Novikov,Andrey A. Vyshnevyy,Aleksey V. Arsenin,Valentyn S. Volkov +9 more
TL;DR: In this article , the optical response of heterostructures is not the sum of optical properties of its constituents, but rather a function of the underlying structure of the vdW materials.
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