Micro to nano conversion: A one-step, environmentally friendly, solid state, bulk fabrication of WS2 and MoS2 nanoplates

Vilas Ganpat Pol, Swati Vilas Pol, Aharon Gedanken

Research output: Contribution to journalArticlepeer-review

41 Scopus citations

Abstract

A top down (micro to nano conversion) approach is presented for the fabrication of WS2 and MoS2 nanoplates employing a single-step, scalable, and environmentally friendly reaction under autogenic pressure at elevated temperature (RAPET). The thermal (750 °C) solid-state reaction between micrometer-sized W or Mo with microsized S in an inert atmosphere yielded a high yield of WS2 or MoS2 nanoplates via carving phenomena. The as-prepared carved microstructures are comprised of two-dimensional WS2/MoS2 nanoplates. The systematic compositional, structural, morphological, and BET surface area analysis is presented, and a mechanistic elucidation for the fabrication of WS 2/MoS2 nanoplates is provided.

Original languageEnglish
Pages (from-to)1126-1132
Number of pages7
JournalCrystal Growth and Design
Volume8
Issue number4
DOIs
StatePublished - Apr 2008

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