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Ultrafast Hot-Carrier Photovoltaics of Type-I Monolayer Heterojunctions in the Broad Spectral Ranges

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dc.contributor.authorJi Ho Sung-
dc.contributor.authorSoonyoung Cha-
dc.contributor.authorHoseok Heo-
dc.contributor.authorSangwan Sim-
dc.contributor.authorJuho Kim-
dc.contributor.authorHyunyong Choi-
dc.contributor.authorMoon-Ho Jo-
dc.date.available2017-09-05T05:28:53Z-
dc.date.created2017-04-24-
dc.date.issued2017-03-
dc.identifier.issn2330-4022-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/3756-
dc.description.abstractStrong interlayer photoresponses in monolayer (ML) semiconductor stacks, such as substantial light absorption and charge separation across interlayer band alignments, suggest potentials for two-dimensional photovoltaics (PVs). Here, we report an interlayer PV conversion in a type-I ML heterojunction by ultrafast interlayer transfer of photoexcited hot carriers in the broad spectral ranges. Specifically, low-energy photoexcitation on a stack of a narrow-band-gap (Eg) Bi2Te3 few-layer and a large-Eg MoS2 ML permits interlayer transfer of transient hot carriers from the Bi2Te3 layer to the excitonic states of the neighboring MoS2 ML within a time scale of ∼70 fs, producing interlayer charge separation. Thereby we achieve substantial conversion efficiency from a MoS2 ML with visible to infrared light illumination. © 2017 American Chemical Society-
dc.description.uri1-
dc.language영어-
dc.publisherAMER CHEMICAL SOC-
dc.subjecthot-carrier injection-
dc.subjectphotovoltaics-
dc.subjecttransition-metal dichalcogenide-
dc.subjecttwo-dimensional materials-
dc.subjectultrafast charge transfer-
dc.titleUltrafast Hot-Carrier Photovoltaics of Type-I Monolayer Heterojunctions in the Broad Spectral Ranges-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000396808000004-
dc.identifier.scopusid2-s2.0-85015366128-
dc.identifier.rimsid59289ko
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorJi Ho Sung-
dc.contributor.affiliatedAuthorSoonyoung Cha-
dc.contributor.affiliatedAuthorHoseok Heo-
dc.contributor.affiliatedAuthorJuho Kim-
dc.contributor.affiliatedAuthorMoon-Ho Jo-
dc.identifier.doi10.1021/acsphotonics.6b00846-
dc.identifier.bibliographicCitationACS PHOTONICS, v.4, no.3, pp.429 - 434-
dc.citation.titleACS PHOTONICS-
dc.citation.volume4-
dc.citation.number3-
dc.citation.startPage429-
dc.citation.endPage434-
dc.date.scptcdate2018-10-01-
dc.description.wostc2-
dc.description.scptc1-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordAuthorhot-carrier injection-
dc.subject.keywordAuthorphotovoltaics-
dc.subject.keywordAuthortransition-metal dichalcogenide-
dc.subject.keywordAuthortwo-dimensional materials-
dc.subject.keywordAuthorultrafast charge transfer-
Appears in Collections:
Center for Artificial Low Dimensional Electronic Systems(원자제어 저차원 전자계 연구단) > 1. Journal Papers (저널논문)
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