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Tunable photoluminescence in a van der Waals heterojunction built from a MoS2 monolayer and a PTCDA organic semiconductor
Habib, Mohammad Rezwan; Li, Hongfei; Kong, Yuhan; Liang, Tao; Obaidulla, Sk. Md.; Xie, Shuang; Wang, Shengping; Ma, Xiangyang; Su, Huanxing; Xu, Mingsheng
2018-09-14
Source PublicationNANOSCALE
ISSN2040-3364
Volume10Issue:34Pages:16107-16115
AbstractWe report the photoluminescence (PL) characteristics of a van der Waals (vdW) heterojunction constructed by simply depositing an organic semiconductor of 3,4,9,10-perylene tetracarboxylic dianhydride (PTCDA) onto a two-dimensional MoS2 monolayer. The crystallinity of PTCDA on MoS2 is significantly improved due to the vdW epitaxial growth. We observe an enhanced PL intensity and PL peak shift of the MoS2/PTCDA heterojunction compared with the solo MoS2 and PTCDA layer. The synergistic PL characteristics are believed to originate from the hybridization interaction between the MoS2 and the PTCDA as evidenced by density functional theory calculations and Raman measurements. The hybridization interfacial interaction is found to be greatly influenced by the crystalline ordering of the PTCDA film on the 2D MoS2. Our study opens up a new avenue to tune the PL of vdW heterojunctions consisting of TMDs and organic semiconductors for optoelectronic applications.
DOI10.1039/c8nr03334j
URLView the original
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000444245800027
PublisherROYAL SOC CHEMISTRY
The Source to ArticleWOS
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Cited Times [WOS]:6   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Recommended Citation
GB/T 7714
Habib, Mohammad Rezwan,Li, Hongfei,Kong, Yuhan,et al. Tunable photoluminescence in a van der Waals heterojunction built from a MoS2 monolayer and a PTCDA organic semiconductor[J]. NANOSCALE,2018,10(34):16107-16115.
APA Habib, Mohammad Rezwan.,Li, Hongfei.,Kong, Yuhan.,Liang, Tao.,Obaidulla, Sk. Md..,...&Xu, Mingsheng.(2018).Tunable photoluminescence in a van der Waals heterojunction built from a MoS2 monolayer and a PTCDA organic semiconductor.NANOSCALE,10(34),16107-16115.
MLA Habib, Mohammad Rezwan,et al."Tunable photoluminescence in a van der Waals heterojunction built from a MoS2 monolayer and a PTCDA organic semiconductor".NANOSCALE 10.34(2018):16107-16115.
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