Blue Luminescence from N-doped Graphene
Blue luminescence (BL) has been observed in various astrophysical environments, such as the inner region of the Red Rectangle Nebula. It has been previously linked to small polycyclic aromatic hydrocarbons. In this study, we explore the potential of N- and O-doped graphene material as carriers of BL...
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| Format: | Article |
| Language: | English |
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IOP Publishing
2024-01-01
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| Series: | The Astrophysical Journal |
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| Online Access: | https://doi.org/10.3847/1538-4357/ad98e8 |
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| author | Shu-Yu Lin Sheng-Lung Chou Tzu-Ping Huang Meng-Yeh Lin Hui-Fen Chen Peter J. Sarre Chien-Ming Tseng Yu-Jong Wu |
| author_facet | Shu-Yu Lin Sheng-Lung Chou Tzu-Ping Huang Meng-Yeh Lin Hui-Fen Chen Peter J. Sarre Chien-Ming Tseng Yu-Jong Wu |
| author_sort | Shu-Yu Lin |
| collection | DOAJ |
| description | Blue luminescence (BL) has been observed in various astrophysical environments, such as the inner region of the Red Rectangle Nebula. It has been previously linked to small polycyclic aromatic hydrocarbons. In this study, we explore the potential of N- and O-doped graphene material as carriers of BL. Using vacuum ultraviolet irradiation, pristine single-layer graphene films were exposed to solid N _2 and O _2 at low temperatures, resulting in the formation of N- or O-doped graphene. The photoluminescence (PL) spectrum of the synthesized N-doped graphene exhibits an asymmetrical peak at 378 nm, which is nearly identical to the BL observed in the Red Rectangle. In contrast, the synthesized O-doped graphene shows a symmetrical PL band at 414 nm. Further Raman and X-ray photoelectron spectroscopy analyses reveal that nitrogen atoms substitute carbon atoms in the graphene lattice, introducing structural defects and sp ^2 regions responsible for the observed luminescence. The simplicity of the bonding structures in the N-doped graphene, dominated by pyrrolic-N and pyridinic-N groups, further supports its potential as a model system for studying BL. |
| format | Article |
| id | doaj-art-3a387fec965440928f3301e1b9a2dee0 |
| institution | DOAJ |
| issn | 1538-4357 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | The Astrophysical Journal |
| spelling | doaj-art-3a387fec965440928f3301e1b9a2dee02025-08-20T02:49:25ZengIOP PublishingThe Astrophysical Journal1538-43572024-01-01977223010.3847/1538-4357/ad98e8Blue Luminescence from N-doped GrapheneShu-Yu Lin0Sheng-Lung Chou1Tzu-Ping Huang2Meng-Yeh Lin3Hui-Fen Chen4Peter J. Sarre5https://orcid.org/0000-0002-4993-1717Chien-Ming Tseng6Yu-Jong Wu7https://orcid.org/0000-0001-9261-0655Department of Applied Chemistry and Institute for Molecular Science, National Yang Ming Chiao Tung University , Hsinchu 30010, Taiwan ; cmtsengjimmy@nycu.edu.twNational Synchrotron Radiation Research Center , 101 Hsin-Ann Road, Hsinchu Science Park, Hsinchu 30076, TaiwanNational Synchrotron Radiation Research Center , 101 Hsin-Ann Road, Hsinchu Science Park, Hsinchu 30076, TaiwanNational Synchrotron Radiation Research Center , 101 Hsin-Ann Road, Hsinchu Science Park, Hsinchu 30076, TaiwanDepartment of Medicinal and Applied Chemistry, Kaohsiung Medical University , 100, Shih-Chuan 1st Road, Kaohsiung 80708, TaiwanSchool of Chemistry, The University of Nottingham , University Park, Nottingham NG7 2RD, UKDepartment of Applied Chemistry and Institute for Molecular Science, National Yang Ming Chiao Tung University , Hsinchu 30010, Taiwan ; cmtsengjimmy@nycu.edu.twDepartment of Applied Chemistry and Institute for Molecular Science, National Yang Ming Chiao Tung University , Hsinchu 30010, Taiwan ; cmtsengjimmy@nycu.edu.tw; National Synchrotron Radiation Research Center , 101 Hsin-Ann Road, Hsinchu Science Park, Hsinchu 30076, TaiwanBlue luminescence (BL) has been observed in various astrophysical environments, such as the inner region of the Red Rectangle Nebula. It has been previously linked to small polycyclic aromatic hydrocarbons. In this study, we explore the potential of N- and O-doped graphene material as carriers of BL. Using vacuum ultraviolet irradiation, pristine single-layer graphene films were exposed to solid N _2 and O _2 at low temperatures, resulting in the formation of N- or O-doped graphene. The photoluminescence (PL) spectrum of the synthesized N-doped graphene exhibits an asymmetrical peak at 378 nm, which is nearly identical to the BL observed in the Red Rectangle. In contrast, the synthesized O-doped graphene shows a symmetrical PL band at 414 nm. Further Raman and X-ray photoelectron spectroscopy analyses reveal that nitrogen atoms substitute carbon atoms in the graphene lattice, introducing structural defects and sp ^2 regions responsible for the observed luminescence. The simplicity of the bonding structures in the N-doped graphene, dominated by pyrrolic-N and pyridinic-N groups, further supports its potential as a model system for studying BL.https://doi.org/10.3847/1538-4357/ad98e8Interstellar emissionsLaboratory astrophysicsAstrochemistryRadiative processes |
| spellingShingle | Shu-Yu Lin Sheng-Lung Chou Tzu-Ping Huang Meng-Yeh Lin Hui-Fen Chen Peter J. Sarre Chien-Ming Tseng Yu-Jong Wu Blue Luminescence from N-doped Graphene The Astrophysical Journal Interstellar emissions Laboratory astrophysics Astrochemistry Radiative processes |
| title | Blue Luminescence from N-doped Graphene |
| title_full | Blue Luminescence from N-doped Graphene |
| title_fullStr | Blue Luminescence from N-doped Graphene |
| title_full_unstemmed | Blue Luminescence from N-doped Graphene |
| title_short | Blue Luminescence from N-doped Graphene |
| title_sort | blue luminescence from n doped graphene |
| topic | Interstellar emissions Laboratory astrophysics Astrochemistry Radiative processes |
| url | https://doi.org/10.3847/1538-4357/ad98e8 |
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