2017
DOI: 10.1088/1361-6528/aa6f01
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NaCl-assisted one-step growth of MoS2–WS2in-plane heterostructures

Abstract: Transition metal dichalcogenides (TMDs) have attracted considerable interest for exploration of next-generation electronics and optoelectronics in recent years. Fabrication of in-plane lateral heterostructures between TMDs has opened up excellent opportunities for engineering two-dimensional materials. The creation of high quality heterostructures with a facile method is highly desirable but it still remains challenging. In this work, we demonstrate a one-step growth method for the construction of high-quality… Show more

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Cited by 100 publications
(75 citation statements)
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“…This has given rise to numerous studies in the past few years and this section is mainly focused on this topic. Modern advanced fabrication techniques have also enabled the realization of in‐plane heterostructures with atomically sharp interfaces. However, interfacial thermal resistance measurement of such small lateral interfaces is much more challenging compared to more popular interface measurements between different materials in the cross‐plane direction.…”
Section: Interface Thermal Resistance In 2d Devicesmentioning
confidence: 99%
“…This has given rise to numerous studies in the past few years and this section is mainly focused on this topic. Modern advanced fabrication techniques have also enabled the realization of in‐plane heterostructures with atomically sharp interfaces. However, interfacial thermal resistance measurement of such small lateral interfaces is much more challenging compared to more popular interface measurements between different materials in the cross‐plane direction.…”
Section: Interface Thermal Resistance In 2d Devicesmentioning
confidence: 99%
“…They suggested Na-containing intermediate product is formed, which reduces the reaction energy. 49 In addition, Lin et al obtained 2H and 1T phase monolayer WS 2 with assistance of iron oxide and NaCl. 50 Shogo et al prepared Nb-doped WS 2 monolayers with the halide-assisted chemical vapor deposition (CVD).…”
Section: Introductionmentioning
confidence: 99%
“…For example, temperature control is essential, promoting mixing at high temperatures and compositional segregation at lower temperatures, so that HSs with sharp interface are achieved at low growth temperatures, and alloying occurs at higher temperatures [66]. CVD assisted by sodium chloride (NaCl) requires lower growth temperatures, as Na precursors condensate on the substrate and reduce reaction energies [73]. Given that the properties of 2D materials are susceptible to external environments, the encapsulation of HSs between hBN sheets has been recently obtained [77], showing that both photovoltaic and hot electron generation lead to photocurrents that depend on the biasing conditions.…”
Section: Interfacementioning
confidence: 99%