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Multimodal Nonlinear Optical Imaging of MoS2 and MoS2-Based van der Waals Heterostructures.

hal.structure.identifierDepartment of Electrical Engineering
dc.contributor.authorLI, Dawei
hal.structure.identifierDepartment of Electrical Engineering
hal.structure.identifierWuhan National Laboratory for Optoelectronics
dc.contributor.authorXIONG, Wei
hal.structure.identifierDepartment of Electrical Engineering
hal.structure.identifierSchool of Mechanical Engineering
dc.contributor.authorJIANG, Lijia
hal.structure.identifierDepartment of Physics and Astronomy [Lincoln]
dc.contributor.authorXIAO, Zhiyong
hal.structure.identifierDepartment of Electrical Engineering
dc.contributor.authorRABIEE GOLGIR, Hossein
hal.structure.identifierDepartment of Electrical Engineering
dc.contributor.authorWANG, Mengmeng
hal.structure.identifierDepartment of Electrical Engineering
dc.contributor.authorHUANG, Xi
hal.structure.identifierDepartment of Electrical Engineering
dc.contributor.authorZHOU, Yunshen
hal.structure.identifierDepartment of Electrical Engineering
dc.contributor.authorLIN, Zhe
hal.structure.identifierDepartment of Physics and Astronomy [Lincoln]
dc.contributor.authorSONG, Jingfeng
hal.structure.identifierDepartment of Physics and Astronomy [Lincoln]
dc.contributor.authorDUCHARME, Stephen
hal.structure.identifierSchool of Mechanical Engineering
dc.contributor.authorJIANG, Lan
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorSILVAIN, Jean-François
hal.structure.identifierDepartment of Electrical Engineering
dc.contributor.authorLU, Yongfeng
dc.date.issued2016
dc.identifier.issn1936-0851
dc.description.abstractEnvan der Waals layered structures, notably the transitional metal dichalcogenides (TMDs) and TMD-based heterostructures, have recently attracted immense interest due to their unique physical properties and potential applications in electronics, optoelectronics, and energy harvesting. Despite the recent progress, it is still a challenge to perform comprehensive characterizations of critical properties of these layered structures, including crystal structures, chemical dynamics, and interlayer coupling, using a single characterization platform. In this study, we successfully developed a multimodal nonlinear optical imaging method to characterize these critical properties of molybdenum disulfide (MoS2) and MoS2-based heterostructures. Our results demonstrate that MoS2 layers exhibit strong four-wave mixing (FWM), sum-frequency generation (SFG), and second-harmonic generation (SHG) nonlinear optical characteristics. We believe this is the first observation of FWM and SFG from TMD layers. All three kinds of optical nonlinearities are sensitive to layer numbers, crystal orientation, and interlayer coupling. The combined and simultaneous SHG/SFG-FWM imaging not only is capable of rapid evaluation of crystal quality and precise determination of odd-even layers but also provides in situ monitoring of the chemical dynamics of thermal oxidation in MoS2 and interlayer coupling in MoS2-graphene heterostructures. This method has the advantages of versatility, high fidelity, easy operation, and fast imaging, enabling comprehensive characterization of van der Waals layered structures for fundamental research and practical applications.
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.subject.enNonlinear optical imaging
dc.subject.entransition metal dichalcogenides
dc.subject.envan der Waals heterostructure
dc.subject.enfour-wave mixing
dc.subject.ensum-frequency generation
dc.subject.ensecond-harmonic generation
dc.subject.eninterlayer coupling
dc.title.enMultimodal Nonlinear Optical Imaging of MoS2 and MoS2-Based van der Waals Heterostructures.
dc.typeArticle de revue
dc.identifier.doi10.1021/acsnano.6b00371
dc.subject.halChimie/Matériaux
dc.subject.halPhysique [physics]/Physique [physics]/Optique [physics.optics]
bordeaux.journalACS Nano
bordeaux.page3766-3775
bordeaux.volume10
bordeaux.issue3
bordeaux.peerReviewedoui
hal.identifierhal-01299527
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01299527v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=ACS%20Nano&rft.date=2016&rft.volume=10&rft.issue=3&rft.spage=3766-3775&rft.epage=3766-3775&rft.eissn=1936-0851&rft.issn=1936-0851&rft.au=LI,%20Dawei&XIONG,%20Wei&JIANG,%20Lijia&XIAO,%20Zhiyong&RABIEE%20GOLGIR,%20Hossein&rft.genre=article


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