Micro to Nano Conversion: A One-Step, Environmentally Friendly, Solid State, Bulk Fabrication of WS 2 and MoS 2 Nanoplates
2008; American Chemical Society; Volume: 8; Issue: 4 Linguagem: Inglês
10.1021/cg0700972
ISSN1528-7505
AutoresVilas G. Pol, Swati V. Pol, Aharon Gedanken,
Tópico(s)Metal and Thin Film Mechanics
ResumoA 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 WS2/MoS2 nanoplates is provided.
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