Role of Functional Groups in Tuning Luminescence Signature of Solution-Processed Graphene Quantum Dots: Experimental and Theoretical Insights
Abstract
:1. Introduction
2. Results
2.1. Morphological Characterization
2.2. Fourier-Transform Infrared Spectroscopy
2.3. Raman Spectroscopy and Component Analysis
2.4. Photoluminescence Investigations
2.5. DFT Calculations
3. Materials and Methods
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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GQDs | Graphene | ||||
---|---|---|---|---|---|
Bands | A | B | C | A | D |
Peak Position (nm) | 544.52 ± 1.22 | 515.79 ± 0.90 | 455.34 ± 0.82 | 513.18 ± 0.16 | 752.62 ± 1.04 |
Peak Intensity (a.u.) | 1.105 × 106 | 436,141.01 | 496,059.13 | 1.293 × 106 | 78,384.74 |
FWHM (nm) | 165.41 ± 1.42 | 69.96 ± 1.30 | 70.18 ± 1.25 | 121.61 ± 0.71 | 65.28 ± 4.08 |
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Ke, Z.; Azam, M.; Ali, S.; Zubair, M.; Cao, Y.; Khan, A.A.; Hassan, A.; Xue, W. Role of Functional Groups in Tuning Luminescence Signature of Solution-Processed Graphene Quantum Dots: Experimental and Theoretical Insights. Molecules 2024, 29, 2790. https://doi.org/10.3390/molecules29122790
Ke Z, Azam M, Ali S, Zubair M, Cao Y, Khan AA, Hassan A, Xue W. Role of Functional Groups in Tuning Luminescence Signature of Solution-Processed Graphene Quantum Dots: Experimental and Theoretical Insights. Molecules. 2024; 29(12):2790. https://doi.org/10.3390/molecules29122790
Chicago/Turabian StyleKe, Zhicheng, Muhammad Azam, Shujat Ali, Muhammad Zubair, Yu Cao, Abbas Ahmad Khan, Ali Hassan, and Wei Xue. 2024. "Role of Functional Groups in Tuning Luminescence Signature of Solution-Processed Graphene Quantum Dots: Experimental and Theoretical Insights" Molecules 29, no. 12: 2790. https://doi.org/10.3390/molecules29122790