The DOI matches its Crossref record; 61 of the 61 references it cites were found in a registry or an index.
Synthesis of Lateral Heterostructures of Semiconducting Atomic Layers
Abstract
Atomically thin heterostructures of transition-metal dichalcogenides (TMDs) with various geometrical and energy band alignments are the key materials for next generation flexible nanoelectronics. The individual TMD monolayers can be adjoined laterally to construct in-plane heterostructures, which are difficult to reach with the laborious pick-up-and-transfer method of the exfoliated flakes. The ability to produce copious amounts of high quality layered heterostructures on diverse surfaces is highly desirable but it has remained a challenging issue. Here, we have achieved a direct synthesis of lateral heterostructures of monolayer TMDs: MoS(2)-WS(2) and MoSe(2)-WSe(2). The synthesis was performed using ambient-pressure chemical vapor deposition (CVD) with aromatic molecules as seeding promoters. We discuss possible growth behaviors, and we examine the symmetry and the interface of these heterostructures using second-harmonic generation and atomic-resolution scanning TEM. We found that the one-dimensinal (1D) interface of the lateral heterostructures picks the zigzag direction of the lattice instead of the armchair direction. Our method offers a controllable synthesis to obtain high-quality in-plane heterostructures of TMD atomic layers with 1D interface geometry.
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Cites
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Cited by
Recent development of two-dimensional transition metal dichalcogenides and their applications
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Progress and Prospects of Solution-Processed Two-Dimensional Semiconductor Nanocrystals
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Metadata
- Authors
- Zhang, X.-Q., Lin, C.-H., Tseng, Y.-W., Huang, K.-H., & Lee, Y.-H.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-12-15
- Volume
- 15
- Issue
- 1
- Pages
- 410-415
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2326957019
- Cited by
- 331
- References
- 61
- FWCI
- 15.78
- Type
- journal article
- Language
- en
- Open access
- closed
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