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WS2/MoS2 Heterostructures through Thermal Treatment of MoS2 Layers Electrostatically Functionalized with W3S4 Molecular Clusters

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WS2/MoS2 Heterostructures through Thermal Treatment of MoS2 Layers Electrostatically Functionalized with W3S4 Molecular Clusters

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dc.contributor.author	Morant Giner, Marc
dc.contributor.author	Brotons-Alcazar, Isaac
dc.contributor.author	Shmelev, Nikita Y.
dc.contributor.author	Gushchin, Artem L.
dc.contributor.author	Norman, Luke
dc.contributor.author	Khlobystov, Andrei N.
dc.contributor.author	Alberola Catalán, Antonio
dc.contributor.author	Tatay Aguilar, Sergio
dc.contributor.author	Canet Ferrer, José
dc.contributor.author	Forment Aliaga, Alicia
dc.contributor.author	Coronado Miralles, Eugenio
dc.date.accessioned	2020-04-24T09:24:17Z
dc.date.available	2020-04-24T09:24:17Z
dc.date.issued	2020
dc.identifier.citation	Morant Giner, Marc Brotons-Alcazar, Isaac Shmelev, Nikita Y. Gushchin, Artem L. Norman, Luke Khlobystov, Andrei N. Alberola Catalán, Antonio Tatay Aguilar, Sergio Canet Ferrer, José Forment Aliaga, Alicia Coronado Miralles, Eugenio 2020 WS2/MoS2 Heterostructures through Thermal Treatment of MoS2 Layers Electrostatically Functionalized with W3S4 Molecular Clusters Chemistry-A European Journal 2020 Volume26, Issue29, p. 6670-6678
dc.identifier.uri	https://hdl.handle.net/10550/74031
dc.description.abstract	The preparation of 2D stacked layers that combine flakes of different nature, gives rise to countless number of heterostructures where new band alignments, defined at the interfaces, control the electronic properties of the system. Among the large family of 2D/2D heterostructures, the one formed by the combination of the most common semiconducting transition metal dichalcogenides WS2/MoS2, has awaken great interest due to its photovoltaic and photoelectrochemical properties. Solution as well as dry physical methods have been developed to optimize the synthesis of these heterostructures. Here a suspension of negatively charged MoS2 flakes is mixed with a methanolic solution of a cationic W3S4-core cluster, giving rise to a homogeneous distribution of the clusters over the layers. In a second step, a calcination under N2 of this molecular/2D heterostructure leads to the formation of clean WS2/MoS2 heterostructures where the photoluminescence of both counterparts is quenched, proving an efficient interlayer coupling. Thus, this chemical method combines the advantages of a solution approach (simple, scalable and low-cost) with the good quality interfaces reached by using more complicated traditional physical methods.
dc.language.iso	eng
dc.relation.ispartof	Chemistry-A European Journal, 2020, Volume26, Issue29, p. 6670-6678
dc.subject	Semiconductors
dc.subject	Metalls de transició
dc.subject	Materials
dc.title	WS2/MoS2 Heterostructures through Thermal Treatment of MoS2 Layers Electrostatically Functionalized with W3S4 Molecular Clusters
dc.type	journal article	es_ES
dc.date.updated	2020-04-24T09:24:17Z
dc.identifier.doi	10.1002/chem.202000248
dc.identifier.idgrec	137562
dc.rights.accessRights	open access	es_ES