Journal article
High-Mobility and High-Optical Quality Atomically Thin WS 2
F Reale, P Palczynski, I Amit, GF Jones, JD Mehew, A Bacon, N Ni, PC Sherrell, S Agnoli, MF Craciun, S Russo, C Mattevi
Scientific Reports | NATURE PORTFOLIO | Published : 2017
Open access
Abstract
The rise of atomically thin materials has the potential to enable a paradigm shift in modern technologies by introducing multi-functional materials in the semiconductor industry. To date the growth of high quality atomically thin semiconductors (e.g. WS2) is one of the most pressing challenges to unleash the potential of these materials and the growth of mono- or bi-layers with high crystal quality is yet to see its full realization. Here, we show that the novel use of molecular precursors in the controlled synthesis of mono- and bi-layer WS2 leads to superior material quality compared to the widely used direct sulfidization of WO3-based precursors. Record high room temperature charge carrie..
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Awarded by Horizon 2020 Framework Programme
Funding Acknowledgements
C.M. would like to acknowledge the EPSRC awards EP/K033840/1, EP/K01658X/1, EP/K016792/1, EP/M022250/1, the EPSRC-Royal Society Fellowship Engagement Grant EP/L003481/1 and the award of a Royal Society University Research Fellowship by the UK Royal Society. N.N. acknowledge the Imperial College Junior Research Fellowship and P.C.S. would like to acknowledge the funding and support from the European Commission (H2020-Marie Sklodowska Curie European Fellowship-660721). I.A. acknowledges financial support from The European Commission Marie Curie Individual Fellowships (Grant number 701704). J.D.M. acknowledges the financial support from the Engineering and Physical Sciences Research Council (EPSRC) of the United Kingdom, via the EPSRC Centre for Doctoral Training in Metamaterials (Grant No. EP/L015331/1). S.R. and M.F.C acknowledge financial support from EPSRC (Grant no. EP/J000396/1, EP/K017160/1, P/K010050/1, EP/G036101/1, EP/M001024/1, EP/M002438/1), from Royal Society international Exchanges scheme 2016/R1 and from The Leverhulme trust (grant title "Quantum Drums" and "Room temperature quantum electronics").