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

doi:10.1021/cg0700972

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

Department of Chemistry

Bar-Ilan University

Research output: Contribution to journal › Article › peer-review

42 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 language	English
Pages (from-to)	1126-1132
Number of pages	7
Journal	Crystal Growth and Design
Volume	8
Issue number	4
DOIs	https://doi.org/10.1021/cg0700972
State	Published - Apr 2008

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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.",

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year = "2008",

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AB - 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.

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

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