Journal
NANO TODAY
Volume 10, Issue 5, Pages 559-592Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.nantod.2015.07.004
Keywords
Two-dimensional; Molybdenum disulfide; Tungsten disulfide; Mono layers; Few layers; Layered materials
Categories
Funding
- U.S. Army Research Office MURI grant [W911NF-11-1-0362]
- National Natural Science Foundation of China [51372131, 51232005]
- National Basic Research Program of China [2014CB932401, 2015CB932500]
- National Science Foundation EFRI-2DARE project [1542707]
- NSF [EFRI-1433311, DMR-1004147]
- National Science Foundation [DMR-1454240]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1557434, 1004147] Funding Source: National Science Foundation
- Directorate For Engineering
- Emerging Frontiers & Multidisciplinary Activities [1433311, 1542707] Funding Source: National Science Foundation
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Monolayers of transition metal dichalcogenides (TMDs), such as MoS2 and WS2, have recently triggered worldwide research interest due to their remarkable optical and electronic properties. More fascinatingly is the fact that these monolayers could also adopt various morphologies with exposed edges that include triangular, hexagonal or star-shaped clusters, in addition to nanoribbons. Exciting progress has been recently achieved in the synthesis, characterization, device fabrication and functionalization of these monolayer and few-layer TMDs. This article firstly reviews the properties of bulk and monolayer/few-layer TMDs. The top-down and bottom-up synthesis routes for different TMDs are then summarized. Raman spectroscopy is now becoming a key tool used to characterize atomically thin TMDs, and this review will show the latest advances using this spectroscopic technique. Here we also summarize the most relevant characterization techniques, optical/electronic device fabrication, functionalization and defect engineering of TMDs. There are numerous opportunities for applications and multiple challenges to overcome, and this review will be instructive and useful to researchers working in the area of 2-dimensional materials, as well as scientists and engineers interested in their applications in electronics, optics, catalysis, energy and many others. (C) 2015 Elsevier Ltd. All rights reserved.
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