Synthesis of nanometre-thick MoO3 sheets

Kourosh Kalantar-zadeh; Jianshi Tang; Minsheng Wang; Kang L. Wang; Alexandros Shailos; Kosmas Galatsis; Robert Kojima; Veronica Strong; Andrew Lech; Wojtek Wlodarski; Richard B. Kaner

doi:10.1039/B9NR00320G

Synthesis of nanometre-thick MoO₃ sheets

Kourosh Kalantar-zadeh,*^ab Jianshi Tang,^c Minsheng Wang,^c Kang L. Wang,^c Alexandros Shailos,^d Kosmas Galatsis,^d Robert Kojima,^e Veronica Strong,^e Andrew Lech,^e Wojtek Wlodarski^b and Richard B. Kaner^de

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* Corresponding authors

^a Department of Chemistry, MIT, Cambridge, MA, USA
E-mail: kourosh@mit.edu

^b School of Electrical and Computer Engineering, RMIT University, Melbourne, Australia
E-mail: kourosh.kalantar@rmit.edu.au

^c Electrical Engineering Department, UCLA, Los Angeles, CA, USA
E-mail: wang@ee.ucla.edu

^d California NanoSystems Institute (CNSI), UCLA, Los Angeles, USA
E-mail: shailos@cnsi.ucla.edu

^e Department of Chemistry and Biochemistry, UCLA, Los Angeles, USA
E-mail: kaner@chem.ucla.edu

Abstract

The formation of MoO₃ sheets of nanoscale thickness is described. They are made from several fundamental sheets of orthorhombic α-MoO₃, which can be processed in large quantities via a low cost synthesis route that combines thermal evaporation and mechanical exfoliation. These fundamental sheets consist of double-layers of linked distorted MoO₆ octahedra. Atomic force microscopy (AFM) measurements show that the minimum resolvable thickness of these sheets is 1.4 nm which is equivalent to the thickness of two double-layers within one unit cell of the α-MoO₃ crystal.

Nanoscale

Synthesis of nanometre-thick MoO₃ sheets

Abstract

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Synthesis of nanometre-thick MoO₃ sheets

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