CAS OpenIR
Symmetry effect on the mechanism of the optical absorption of phosphorene quantum dots
Jiang, Z. T.1; Liang, F. X.1,2; Lv, Z. T.1,3; Ren, Y. H.1; Han, Q. Z.4
2019-03-01
Source PublicationPHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
ISSN1386-9477
Volume107Pages:137-141
AbstractBased on a rectangular phosphorene quantum dot (PQD) we perform a systematical investigation into the mechanism of the optical absorption of the PQD. It is found that it is the symmetries of the related initial and final states of the PQD, together with the symmetry of the PQD structure, that determines whether the optical absorption can occur, as well as the absorption strength. More fundamentally speaking, the optical absorption spectra are determined by the symmetry of the confined PQD structure, the symmetry of phosphorene, and the chemical property of phosphorus atoms. The universality of the above conclusion is further verified in other three typical PQDs of different symmetries including the triangular, romboidal, and hexagonal PQDs. We want to emphasize that our conclusion should be also applicable in understanding the optical absorption of the quantum dots formed in other materials.
DOI10.1016/j.physe.2018.11.005
Language英语
WOS KeywordFIELD-EFFECT TRANSISTORS ; BILAYER GRAPHENE
Funding ProjectNSFC[11774029] ; NSFC[11274040] ; NSFC[11504374] ; NSFC[11404155]
WOS Research AreaScience & Technology - Other Topics ; Physics
WOS SubjectNanoscience & Nanotechnology ; Physics, Condensed Matter
Funding OrganizationNSFC
WOS IDWOS:000454897800022
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/27681
Collection中国科学院过程工程研究所
Corresponding AuthorJiang, Z. T.; Liang, F. X.
Affiliation1.Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
2.Taiyuan Normal Univ, Dept Phys, Jinzhong 030619, Peoples R China
3.Liaocheng Univ, Sch Phys Sci & Informat Engn, Liaocheng 252059, Peoples R China
4.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Z. T.,Liang, F. X.,Lv, Z. T.,et al. Symmetry effect on the mechanism of the optical absorption of phosphorene quantum dots[J]. PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES,2019,107:137-141.
APA Jiang, Z. T.,Liang, F. X.,Lv, Z. T.,Ren, Y. H.,&Han, Q. Z..(2019).Symmetry effect on the mechanism of the optical absorption of phosphorene quantum dots.PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES,107,137-141.
MLA Jiang, Z. T.,et al."Symmetry effect on the mechanism of the optical absorption of phosphorene quantum dots".PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES 107(2019):137-141.
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